diff --git a/src/Ramstack.HtmxToolkit/HtmxBinaryTypeJsonConverter.cs b/src/Ramstack.HtmxToolkit/HtmxBinaryTypeJsonConverter.cs
index 5aa23c5..b1fbd5c 100644
--- a/src/Ramstack.HtmxToolkit/HtmxBinaryTypeJsonConverter.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxBinaryTypeJsonConverter.cs
@@ -17,13 +17,8 @@ internal sealed class HtmxBinaryTypeJsonConverter : JsonConverter<HtmxBinaryType
     /// <inheritdoc />
     public override void Write(Utf8JsonWriter writer, HtmxBinaryType? value, JsonSerializerOptions options)
     {
-        if (value is null)
-        {
-            writer.WriteNullValue();
-        }
-        else
-        {
-            writer.WriteStringValue(value.GetValueOrDefault().GetWsBinaryTypeValue());
-        }
+        // NOTE: value is never null here: null-valued properties are omitted
+        // by JsonIgnoreCondition.WhenWritingNull before this converter is invoked.
+        writer.WriteStringValue(value.GetValueOrDefault().GetWsBinaryTypeValue());
     }
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxConfig.cs b/src/Ramstack.HtmxToolkit/HtmxConfig.cs
index db12174..e467dc1 100644
--- a/src/Ramstack.HtmxToolkit/HtmxConfig.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxConfig.cs
@@ -1,5 +1,7 @@
 using System.Text.Json.Serialization;
 
+using Microsoft.AspNetCore.Html;
+
 namespace Ramstack.HtmxToolkit;
 
 /// <summary>
@@ -7,6 +9,8 @@ namespace Ramstack.HtmxToolkit;
 /// </summary>
 public abstract class HtmxConfig
 {
+    private HtmlString? _json;
+
     /// <summary>
     /// Gets the configured HTMX major version.
     /// </summary>
@@ -23,10 +27,33 @@ internal HtmxConfig(HtmxTargetVersion version) =>
         TargetVersion = version;
 
     /// <summary>
-    /// Serializes this configuration to JSON.
+    /// Returns this configuration serialized as JSON,
+    /// cached and reused until the configuration changes.
+    /// </summary>
+    /// <returns>
+    /// An <see cref="HtmlString" /> containing the configuration serialized as JSON.
+    /// </returns>
+    internal HtmlString ToJson() =>
+        _json ??= new HtmlString(Serialize());
+
+    /// <summary>
+    /// Serializes this configuration to a JSON string.
     /// </summary>
     /// <returns>
-    /// A string containing this configuration serialized as JSON.
+    /// A JSON string representing this configuration.
     /// </returns>
-    internal abstract string ToJson();
+    protected abstract string Serialize();
+
+    /// <summary>
+    /// Assigns <paramref name="value" /> to <paramref name="field" /> and invalidates
+    /// the cached JSON so it is regenerated on the next serialization.
+    /// </summary>
+    /// <typeparam name="T">The type of the field.</typeparam>
+    /// <param name="field">The backing field to update.</param>
+    /// <param name="value">The value to assign.</param>
+    protected void SetField<T>(ref T field, T value)
+    {
+        field = value;
+        _json = null;
+    }
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxFetchModeJsonConverter.cs b/src/Ramstack.HtmxToolkit/HtmxFetchModeJsonConverter.cs
index 8b02b38..7ce7875 100644
--- a/src/Ramstack.HtmxToolkit/HtmxFetchModeJsonConverter.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxFetchModeJsonConverter.cs
@@ -17,13 +17,8 @@ internal sealed class HtmxFetchModeJsonConverter : JsonConverter<HtmxFetchMode?>
     /// <inheritdoc />
     public override void Write(Utf8JsonWriter writer, HtmxFetchMode? value, JsonSerializerOptions options)
     {
-        if (value is null)
-        {
-            writer.WriteNullValue();
-        }
-        else
-        {
-            writer.WriteStringValue(value.GetValueOrDefault().GetFetchModeValue());
-        }
+        // NOTE: value is never null here: null-valued properties are omitted
+        // by JsonIgnoreCondition.WhenWritingNull before this converter is invoked.
+        writer.WriteStringValue(value.GetValueOrDefault().GetFetchModeValue());
     }
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxHistoryModeJsonConverter.cs b/src/Ramstack.HtmxToolkit/HtmxHistoryModeJsonConverter.cs
index 553b0c0..881e684 100644
--- a/src/Ramstack.HtmxToolkit/HtmxHistoryModeJsonConverter.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxHistoryModeJsonConverter.cs
@@ -21,24 +21,19 @@ internal sealed class HtmxHistoryModeJsonConverter : JsonConverter<HtmxHistoryMo
     /// <inheritdoc />
     public override void Write(Utf8JsonWriter writer, HtmxHistoryMode? value, JsonSerializerOptions options)
     {
-        if (value is null)
+        // NOTE: value is never null here: null-valued properties are omitted
+        // by JsonIgnoreCondition.WhenWritingNull before this converter is invoked.
+        switch (value.GetValueOrDefault())
         {
-            writer.WriteNullValue();
-        }
-        else
-        {
-            switch (value.GetValueOrDefault())
-            {
-                case HtmxHistoryMode.Enabled:
-                    writer.WriteBooleanValue(true);
-                    break;
-                case HtmxHistoryMode.Disabled:
-                    writer.WriteBooleanValue(false);
-                    break;
-                default:
-                    writer.WriteStringValue(s_reload);
-                    break;
-            }
+            case HtmxHistoryMode.Enabled:
+                writer.WriteBooleanValue(true);
+                break;
+            case HtmxHistoryMode.Disabled:
+                writer.WriteBooleanValue(false);
+                break;
+            default:
+                writer.WriteStringValue(s_reload);
+                break;
         }
     }
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxScrollBehaviorJsonConverter.cs b/src/Ramstack.HtmxToolkit/HtmxScrollBehaviorJsonConverter.cs
index 775d159..aa4f63d 100644
--- a/src/Ramstack.HtmxToolkit/HtmxScrollBehaviorJsonConverter.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxScrollBehaviorJsonConverter.cs
@@ -17,13 +17,8 @@ internal sealed class HtmxScrollBehaviorJsonConverter : JsonConverter<HtmxScroll
     /// <inheritdoc />
     public override void Write(Utf8JsonWriter writer, HtmxScrollBehavior? value, JsonSerializerOptions options)
     {
-        if (value is null)
-        {
-            writer.WriteNullValue();
-        }
-        else
-        {
-            writer.WriteStringValue(value.GetValueOrDefault().GetScrollBehaviorValue());
-        }
+        // NOTE: value is never null here: null-valued properties are omitted
+        // by JsonIgnoreCondition.WhenWritingNull before this converter is invoked.
+        writer.WriteStringValue(value.GetValueOrDefault().GetScrollBehaviorValue());
     }
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxSwapJsonConverter.cs b/src/Ramstack.HtmxToolkit/HtmxSwapJsonConverter.cs
index 7babc0b..44878f2 100644
--- a/src/Ramstack.HtmxToolkit/HtmxSwapJsonConverter.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxSwapJsonConverter.cs
@@ -17,13 +17,8 @@ internal sealed class HtmxSwapJsonConverter : JsonConverter<HtmxSwap?>
     /// <inheritdoc />
     public override void Write(Utf8JsonWriter writer, HtmxSwap? value, JsonSerializerOptions options)
     {
-        if (value is null)
-        {
-            writer.WriteNullValue();
-        }
-        else
-        {
-            writer.WriteStringValue(value.GetValueOrDefault().GetSwapValue());
-        }
+        // NOTE: value is never null here: null-valued properties are omitted
+        // by JsonIgnoreCondition.WhenWritingNull before this converter is invoked.
+        writer.WriteStringValue(value.GetValueOrDefault().GetSwapValue());
     }
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxV1Config.cs b/src/Ramstack.HtmxToolkit/HtmxV1Config.cs
index 1dcf201..88753c3 100644
--- a/src/Ramstack.HtmxToolkit/HtmxV1Config.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxV1Config.cs
@@ -12,186 +12,306 @@ public sealed class HtmxV1Config() : HtmxConfig(HtmxTargetVersion.V1)
     /// Gets or sets a value indicating whether HTMX history support is enabled.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? HistoryEnabled { get; set; }
+    public bool? HistoryEnabled
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the size of the history cache.
     /// The HTMX default is <c>10</c>.
     /// </summary>
-    public int? HistoryCacheSize { get; set; }
+    public int? HistoryCacheSize
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether a full-page refresh should be issued
     /// on history misses rather than using an AJAX request.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? RefreshOnHistoryMiss { get; set; }
+    public bool? RefreshOnHistoryMiss
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default swap style.
     /// The HTMX default is <see cref="HtmxSwap.InnerHtml" />.
     /// </summary>
     [JsonConverter(typeof(HtmxSwapJsonConverter))]
-    public HtmxSwap? DefaultSwapStyle { get; set; }
+    public HtmxSwap? DefaultSwapStyle
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default swap delay in milliseconds.
     /// The HTMX default is <c>0</c>.
     /// </summary>
-    public int? DefaultSwapDelay { get; set; }
+    public int? DefaultSwapDelay
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default settle delay in milliseconds.
     /// The HTMX default is <c>20</c>.
     /// </summary>
-    public int? DefaultSettleDelay { get; set; }
+    public int? DefaultSettleDelay
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the indicator styles are loaded.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? IncludeIndicatorStyles { get; set; }
+    public bool? IncludeIndicatorStyles
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the indicator class.
     /// The HTMX default is <c>htmx-indicator</c>.
     /// </summary>
-    public string? IndicatorClass { get; set; }
+    public string? IndicatorClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the request class.
     /// The HTMX default is <c>htmx-request</c>.
     /// </summary>
-    public string? RequestClass { get; set; }
+    public string? RequestClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the added class.
     /// The HTMX default is <c>htmx-added</c>.
     /// </summary>
-    public string? AddedClass { get; set; }
+    public string? AddedClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the swapping class.
     /// The HTMX default is <c>htmx-swapping</c>.
     /// </summary>
-    public string? SwappingClass { get; set; }
+    public string? SwappingClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the settling class.
     /// The HTMX default is <c>htmx-settling</c>.
     /// </summary>
-    public string? SettlingClass { get; set; }
+    public string? SettlingClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the use of <c>eval</c> is allowed.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? AllowEval { get; set; }
+    public bool? AllowEval
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether script tags should be processed in new content.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? AllowScriptTags { get; set; }
+    public bool? AllowScriptTags
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the nonce added to inline scripts.
     /// The HTMX default is an empty string.
     /// </summary>
-    public string? InlineScriptNonce { get; set; }
+    public string? InlineScriptNonce
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the attributes to settle during the settling phase.
     /// The HTMX default is <c>["class", "style", "width", "height"]</c>.
     /// </summary>
-    public string[]? AttributesToSettle { get; set; }
+    public string[]? AttributesToSettle
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether HTML template tags are used to parse content.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? UseTemplateFragments { get; set; }
+    public bool? UseTemplateFragments
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the WebSocket reconnection delay strategy.
     /// The HTMX default is <c>full-jitter</c>.
     /// </summary>
-    public string? WsReconnectDelay { get; set; }
+    public string? WsReconnectDelay
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the type of binary data received over WebSocket connections.
     /// The HTMX default is <see cref="HtmxBinaryType.Blob" />.
     /// </summary>
     [JsonConverter(typeof(HtmxBinaryTypeJsonConverter))]
-    public HtmxBinaryType? WsBinaryType { get; set; }
+    public HtmxBinaryType? WsBinaryType
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the selector for elements that HTMX must not process.
     /// The HTMX default is <c>[disable-htmx], [data-disable-htmx]</c>.
     /// </summary>
-    public string? DisableSelector { get; set; }
+    public string? DisableSelector
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether credentials are included in cross-origin requests.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? WithCredentials { get; set; }
+    public bool? WithCredentials
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the request timeout, in milliseconds.
     /// The HTMX default is <c>0</c>.
     /// </summary>
-    public int? Timeout { get; set; }
+    public int? Timeout
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether requests are restricted to the current origin.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? SelfRequestsOnly { get; set; }
+    public bool? SelfRequestsOnly
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the scrolling behavior for boosted links.
     /// The HTMX default is <see cref="HtmxScrollBehavior.Smooth" />.
     /// </summary>
     [JsonConverter(typeof(HtmxScrollBehaviorJsonConverter))]
-    public HtmxScrollBehavior? ScrollBehavior { get; set; }
+    public HtmxScrollBehavior? ScrollBehavior
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the focused element should be scrolled into view.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? DefaultFocusScroll { get; set; }
+    public bool? DefaultFocusScroll
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether GET requests use a cache-busting parameter.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? GetCacheBusterParam { get; set; }
+    public bool? GetCacheBusterParam
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the View Transition API should be used for swaps.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? GlobalViewTransitions { get; set; }
+    public bool? GlobalViewTransitions
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the HTTP methods that use URL parameters.
     /// The HTMX default is <c>["get"]</c>.
     /// </summary>
     [JsonConverter(typeof(HttpVerbArrayJsonConverter))]
-    public HttpVerb[]? MethodsThatUseUrlParams { get; set; }
+    public HttpVerb[]? MethodsThatUseUrlParams
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether document titles found in new content are ignored.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? IgnoreTitle { get; set; }
+    public bool? IgnoreTitle
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether boosted targets are scrolled into the viewport.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? ScrollIntoViewOnBoost { get; set; }
+    public bool? ScrollIntoViewOnBoost
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether parsed trigger specifications use
@@ -199,9 +319,13 @@ public sealed class HtmxV1Config() : HtmxConfig(HtmxTargetVersion.V1)
     /// </summary>
     [JsonPropertyName("triggerSpecsCache")]
     [JsonConverter(typeof(HtmxTriggerSpecsCacheJsonConverter))]
-    public bool? TriggerSpecsCacheEnabled { get; set; }
+    public bool? TriggerSpecsCacheEnabled
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <inheritdoc />
-    internal override string ToJson() =>
+    protected override string Serialize() =>
         JsonSerializer.Serialize(this, HtmxConfigJsonSerializerContext.Default.HtmxV1Config);
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxV2Config.cs b/src/Ramstack.HtmxToolkit/HtmxV2Config.cs
index bdfab03..2f76af9 100644
--- a/src/Ramstack.HtmxToolkit/HtmxV2Config.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxV2Config.cs
@@ -14,192 +14,316 @@ public sealed class HtmxV2Config() : HtmxConfig(HtmxTargetVersion.V2)
     /// Gets or sets a value indicating whether HTMX history support is enabled.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? HistoryEnabled { get; set; }
+    public bool? HistoryEnabled
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the size of the history cache.
     /// The HTMX default is <c>10</c>.
     /// </summary>
-    public int? HistoryCacheSize { get; set; }
+    public int? HistoryCacheSize
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether a history miss causes a full-page refresh
     /// instead of an AJAX request.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? RefreshOnHistoryMiss { get; set; }
+    public bool? RefreshOnHistoryMiss
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default swap style.
     /// The HTMX default is <see cref="HtmxSwap.InnerHtml" />.
     /// </summary>
     [JsonConverter(typeof(HtmxSwapJsonConverter))]
-    public HtmxSwap? DefaultSwapStyle { get; set; }
+    public HtmxSwap? DefaultSwapStyle
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default swap delay in milliseconds.
     /// The HTMX default is <c>0</c>.
     /// </summary>
-    public int? DefaultSwapDelay { get; set; }
+    public int? DefaultSwapDelay
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default settle delay in milliseconds.
     /// The HTMX default is <c>20</c>.
     /// </summary>
-    public int? DefaultSettleDelay { get; set; }
+    public int? DefaultSettleDelay
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the indicator styles are loaded.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? IncludeIndicatorStyles { get; set; }
+    public bool? IncludeIndicatorStyles
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the indicator class.
     /// The HTMX default is <c>htmx-indicator</c>.
     /// </summary>
-    public string? IndicatorClass { get; set; }
+    public string? IndicatorClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the request class.
     /// The HTMX default is <c>htmx-request</c>.
     /// </summary>
-    public string? RequestClass { get; set; }
+    public string? RequestClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the added class.
     /// The HTMX default is <c>htmx-added</c>.
     /// </summary>
-    public string? AddedClass { get; set; }
+    public string? AddedClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the swapping class.
     /// The HTMX default is <c>htmx-swapping</c>.
     /// </summary>
-    public string? SwappingClass { get; set; }
+    public string? SwappingClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the settling class.
     /// The HTMX default is <c>htmx-settling</c>.
     /// </summary>
-    public string? SettlingClass { get; set; }
+    public string? SettlingClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the use of <c>eval</c> is allowed.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? AllowEval { get; set; }
+    public bool? AllowEval
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether script tags should be processed in new content.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? AllowScriptTags { get; set; }
+    public bool? AllowScriptTags
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the nonce added to inline scripts.
     /// The HTMX default is an empty string.
     /// </summary>
-    public string? InlineScriptNonce { get; set; }
+    public string? InlineScriptNonce
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the nonce added to inline styles.
     /// The HTMX default is an empty string.
     /// </summary>
-    public string? InlineStyleNonce { get; set; }
+    public string? InlineStyleNonce
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the attributes to settle during the settling phase.
     /// The HTMX default is <c>["class", "style", "width", "height"]</c>.
     /// </summary>
-    public string[]? AttributesToSettle { get; set; }
+    public string[]? AttributesToSettle
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the WebSocket reconnection delay strategy.
     /// The HTMX default is <c>full-jitter</c>.
     /// </summary>
-    public string? WsReconnectDelay { get; set; }
+    public string? WsReconnectDelay
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the type of binary data received over WebSocket connections.
     /// The HTMX default is <see cref="HtmxBinaryType.Blob" />.
     /// </summary>
     [JsonConverter(typeof(HtmxBinaryTypeJsonConverter))]
-    public HtmxBinaryType? WsBinaryType { get; set; }
+    public HtmxBinaryType? WsBinaryType
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the selector for elements that HTMX must not process.
     /// The HTMX default is <c>[disable-htmx], [data-disable-htmx]</c>.
     /// </summary>
-    public string? DisableSelector { get; set; }
+    public string? DisableSelector
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether credentials are included in cross-origin requests.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? WithCredentials { get; set; }
+    public bool? WithCredentials
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether attribute inheritance is disabled.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? DisableInheritance { get; set; }
+    public bool? DisableInheritance
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the request timeout, in milliseconds.
     /// The HTMX default is <c>0</c>.
     /// </summary>
-    public int? Timeout { get; set; }
+    public int? Timeout
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether requests are restricted to the current origin.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? SelfRequestsOnly { get; set; }
+    public bool? SelfRequestsOnly
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the scrolling behavior for boosted links.
     /// The HTMX default is <see cref="HtmxScrollBehavior.Instant" />.
     /// </summary>
     [JsonConverter(typeof(HtmxScrollBehaviorJsonConverter))]
-    public HtmxScrollBehavior? ScrollBehavior { get; set; }
+    public HtmxScrollBehavior? ScrollBehavior
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the focused element should be scrolled into view.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? DefaultFocusScroll { get; set; }
+    public bool? DefaultFocusScroll
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether GET requests use a cache-busting parameter.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? GetCacheBusterParam { get; set; }
+    public bool? GetCacheBusterParam
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the View Transition API should be used for swaps.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? GlobalViewTransitions { get; set; }
+    public bool? GlobalViewTransitions
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the HTTP methods that use URL parameters.
     /// The HTMX default is <c>["get", "delete"]</c>.
     /// </summary>
     [JsonConverter(typeof(HttpVerbArrayJsonConverter))]
-    public HttpVerb[]? MethodsThatUseUrlParams { get; set; }
+    public HttpVerb[]? MethodsThatUseUrlParams
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether document titles found in new content are ignored.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? IgnoreTitle { get; set; }
+    public bool? IgnoreTitle
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether boosted targets are scrolled into the viewport.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? ScrollIntoViewOnBoost { get; set; }
+    public bool? ScrollIntoViewOnBoost
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether parsed trigger specifications use
@@ -207,35 +331,55 @@ public sealed class HtmxV2Config() : HtmxConfig(HtmxTargetVersion.V2)
     /// </summary>
     [JsonConverter(typeof(HtmxTriggerSpecsCacheJsonConverter))]
     [JsonPropertyName("triggerSpecsCache")]
-    public bool? TriggerSpecsCacheEnabled { get; set; }
+    public bool? TriggerSpecsCacheEnabled
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the rules that determine how HTTP response status codes are handled.
     /// </summary>
-    public IList<ResponseHandlingConfig>? ResponseHandling { get; set; }
+    public IList<ResponseHandlingConfig>? ResponseHandling
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether out-of-band swaps nested in the main
     /// response are processed.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? AllowNestedOobSwaps { get; set; }
+    public bool? AllowNestedOobSwaps
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether history cache-miss requests are marked
     /// as HTMX requests.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
-    public bool? HistoryRestoreAsHxRequest { get; set; }
+    public bool? HistoryRestoreAsHxRequest
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether form validity is reported before
     /// a request is issued.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? ReportValidityOfForms { get; set; }
+    public bool? ReportValidityOfForms
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <inheritdoc />
-    internal override string ToJson() =>
+    protected override string Serialize() =>
         JsonSerializer.Serialize(this, HtmxConfigJsonSerializerContext.Default.HtmxV2Config);
 }
diff --git a/src/Ramstack.HtmxToolkit/HtmxV4Config.cs b/src/Ramstack.HtmxToolkit/HtmxV4Config.cs
index fd2ef2e..84653aa 100644
--- a/src/Ramstack.HtmxToolkit/HtmxV4Config.cs
+++ b/src/Ramstack.HtmxToolkit/HtmxV4Config.cs
@@ -12,102 +12,166 @@ public sealed class HtmxV4Config() : HtmxConfig(HtmxTargetVersion.V4)
     /// Gets or sets a value indicating whether all HTMX events are logged to the console.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? LogAll { get; set; }
+    public bool? LogAll
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the secondary attribute prefix recognized alongside <c>hx-*</c>.
     /// The HTMX default is <c>data-hx-</c>.
     /// </summary>
-    public string? Prefix { get; set; }
+    public string? Prefix
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the character used instead of <c>:</c> in attribute names.
     /// The HTMX default is <c>undefined</c>.
     /// </summary>
-    public string? MetaCharacter { get; set; }
+    public string? MetaCharacter
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets how HTMX history restoration is handled.
     /// The HTMX default is <see cref="HtmxHistoryMode.Enabled" />.
     /// </summary>
     [JsonConverter(typeof(HtmxHistoryModeJsonConverter))]
-    public HtmxHistoryMode? History { get; set; }
+    public HtmxHistoryMode? History
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default swap style.
     /// The HTMX default is <see cref="HtmxSwap.InnerHtml" />.
     /// </summary>
     [JsonConverter(typeof(HtmxSwapJsonConverter))]
-    public HtmxSwap? DefaultSwap { get; set; }
+    public HtmxSwap? DefaultSwap
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether an empty response body replaces the main swap target.
     /// The HTMX default is <c>undefined</c>.
     /// </summary>
-    public bool? DefaultSwapEmpty { get; set; }
+    public bool? DefaultSwapEmpty
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default settle delay in milliseconds.
     /// The HTMX default is <c>1</c>.
     /// </summary>
-    public int? DefaultSettleDelay { get; set; }
+    public int? DefaultSettleDelay
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the indicator styles are loaded.
     /// The HTMX default is <see langword="true" />.
     /// </summary>
     [JsonPropertyName("includeIndicatorCSS")]
-    public bool? IncludeIndicatorCss { get; set; }
+    public bool? IncludeIndicatorCss
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the indicator class.
     /// The HTMX default is <c>htmx-indicator</c>.
     /// </summary>
-    public string? IndicatorClass { get; set; }
+    public string? IndicatorClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the request class.
     /// The HTMX default is <c>htmx-request</c>.
     /// </summary>
-    public string? RequestClass { get; set; }
+    public string? RequestClass
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the nonce added to inline scripts.
     /// The HTMX default is <c>undefined</c>, which means that no nonce is added.
     /// </summary>
-    public string? InlineScriptNonce { get; set; }
+    public string? InlineScriptNonce
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a comma-separated list of extensions that HTMX is allowed to load.
     /// The HTMX default is an empty string.
     /// </summary>
-    public string? Extensions { get; set; }
+    public string? Extensions
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether HTMX attributes are inherited implicitly.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? ImplicitInheritance { get; set; }
+    public bool? ImplicitInheritance
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the default request timeout in milliseconds.
     /// The HTMX default is <c>60000</c>.
     /// </summary>
-    public int? DefaultTimeout { get; set; }
+    public int? DefaultTimeout
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the request mode passed to the Fetch API.
     /// The HTMX default is <c>same-origin</c>.
     /// </summary>
     [JsonConverter(typeof(HtmxFetchModeJsonConverter))]
-    public HtmxFetchMode? Mode { get; set; }
+    public HtmxFetchMode? Mode
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the focused element should be scrolled into view.
     /// The HTMX default is <see langword="false" /> and can be overridden
     /// using the <c>focus-scroll</c> swap modifier.
     /// </summary>
-    public bool? DefaultFocusScroll { get; set; }
+    public bool? DefaultFocusScroll
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets a value indicating whether the
@@ -115,31 +179,51 @@ public sealed class HtmxV4Config() : HtmxConfig(HtmxTargetVersion.V4)
     /// should be used when swapping in new content.
     /// The HTMX default is <see langword="false" />.
     /// </summary>
-    public bool? Transitions { get; set; }
+    public bool? Transitions
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the attribute name prefixes to preserve during morphing.
     /// The HTMX default is <c>["data-htmx-powered"]</c>.
     /// </summary>
-    public string[]? MorphIgnore { get; set; }
+    public string[]? MorphIgnore
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the selector for elements to skip during morphing.
     /// The HTMX default is <c>[hx-morph-skip]</c>.
     /// </summary>
-    public string? MorphSkip { get; set; }
+    public string? MorphSkip
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the selector for elements whose children should not be morphed.
     /// The HTMX default is <c>[hx-morph-skip-children]</c>.
     /// </summary>
-    public string? MorphSkipChildren { get; set; }
+    public string? MorphSkipChildren
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the maximum number of siblings scanned while matching elements during morphing.
     /// The HTMX default is <c>10</c>.
     /// </summary>
-    public int? MorphScanLimit { get; set; }
+    public int? MorphScanLimit
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <summary>
     /// Gets or sets the response status codes or patterns for which HTMX does not perform a swap.
@@ -149,9 +233,13 @@ public sealed class HtmxV4Config() : HtmxConfig(HtmxTargetVersion.V4)
     /// Although HTMX declares this option as a number array, it converts each entry to a string
     /// at runtime and supports wildcard patterns such as <c>"4xx"</c> and <c>"44x"</c>.
     /// </remarks>
-    public string[]? NoSwap { get; set; }
+    public string[]? NoSwap
+    {
+        get;
+        set => SetField(ref field, value);
+    }
 
     /// <inheritdoc />
-    internal override string ToJson() =>
+    protected override string Serialize() =>
         JsonSerializer.Serialize(this, HtmxConfigJsonSerializerContext.Default.HtmxV4Config);
 }
diff --git a/src/Ramstack.HtmxToolkit/HttpVerbArrayJsonConverter.cs b/src/Ramstack.HtmxToolkit/HttpVerbArrayJsonConverter.cs
index bf93b71..fa00f8d 100644
--- a/src/Ramstack.HtmxToolkit/HttpVerbArrayJsonConverter.cs
+++ b/src/Ramstack.HtmxToolkit/HttpVerbArrayJsonConverter.cs
@@ -15,20 +15,15 @@ public override HttpVerb[] Read(ref Utf8JsonReader reader, Type typeToConvert, J
         throw new NotSupportedException();
 
     /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, HttpVerb[]? value, JsonSerializerOptions options)
+    public override void Write(Utf8JsonWriter writer, HttpVerb[] value, JsonSerializerOptions options)
     {
-        if (value is null)
-        {
-            writer.WriteNullValue();
-        }
-        else
-        {
-            writer.WriteStartArray();
+        // NOTE: value is never null here: null-valued properties are omitted
+        // by JsonIgnoreCondition.WhenWritingNull before this converter is invoked.
+        writer.WriteStartArray();
 
-            foreach (var verb in value)
-                writer.WriteStringValue(verb.GetHttpVerbValue());
+        foreach (var verb in value)
+            writer.WriteStringValue(verb.GetHttpVerbValue());
 
-            writer.WriteEndArray();
-        }
+        writer.WriteEndArray();
     }
 }
diff --git a/src/Ramstack.HtmxToolkit/TagHelpers/HtmxConfigTagHelper.cs b/src/Ramstack.HtmxToolkit/TagHelpers/HtmxConfigTagHelper.cs
index 18a8865..cf2b5cd 100644
--- a/src/Ramstack.HtmxToolkit/TagHelpers/HtmxConfigTagHelper.cs
+++ b/src/Ramstack.HtmxToolkit/TagHelpers/HtmxConfigTagHelper.cs
@@ -40,7 +40,7 @@ public override Task ProcessAsync(TagHelperContext context, TagHelperOutput outp
         var json = options.Value.HtmxConfig.ToJson();
 
         output.Attributes.SetAttribute(
-            new TagHelperAttribute("content", new HtmlString(json), HtmlAttributeValueStyle.SingleQuotes));
+            new TagHelperAttribute("content", json, HtmlAttributeValueStyle.SingleQuotes));
 
         if (options.Value.IncludeAntiforgeryToken)
             RenderAntiforgeryAttributes(output);