diff --git a/.github/lychee.toml b/.github/lychee.toml
new file mode 100644
index 00000000000..ce2cad4b805
--- /dev/null
+++ b/.github/lychee.toml
@@ -0,0 +1,80 @@
+# .github/lychee.toml
+
+############################# Display #############################
+# Verbose program output
+# Accepts log level: "error", "warn", "info", "debug", "trace"
+verbose = "info"
+
+# Don't show interactive progress bar while checking links.
+no_progress = true
+
+############################# Cache ###############################
+# Enable link caching. This can be helpful to avoid checking the same links on
+# multiple runs.
+cache = false
+
+############################# Runtime #############################
+# Maximum number of concurrent link checks.
+max_concurrency = 12
+
+# Maximum number of allowed redirects.
+max_redirects = 5
+
+# Maximum number of allowed retries before a link is declared dead.
+max_retries = 1
+
+############################# Requests ############################
+# Website timeout from connect to response finished.
+timeout = 10
+
+# Minimum wait time in seconds between retries of failed requests.
+retry_wait_time = 1
+
+# Accept more status codes (follow redirects automatically)
+accept = ["200..=204", "301..=308", "429"]
+
+# Avoid false fragment errors
+include_fragments = false  
+
+# Only test links with the given schemes (e.g. https).
+# Omit to check links with any other scheme.
+# At the moment, we support http, https, file, and mailto.
+scheme = ["https"]
+
+# When links are available using HTTPS, treat HTTP links as errors.
+require_https = false
+
+# Fallback extensions to apply when a URL does not specify one.
+# This is common in documentation tools that cross-reference files without extensions.
+fallback_extensions = ["md", "html"]
+
+############################# Exclusions ##########################
+# Exclude URLs and mail addresses from checking (supports regex).
+exclude = [
+  '^mailto:',
+  '^https?://localhost',
+  '^https?://127\\.0\\.0\\.1',
+  '^https://www\.linkedin\.com',
+  '^https?://issues\.umbraco\.org/',
+  '^https?://web\\.archive\\.org/web/'
+]
+
+# Exclude these filesystem paths from getting checked.
+exclude_path = [
+  '(^|/)node_modules/',
+  '(^|/)dist/',
+  '(^|/)bin/',
+  '\\.txt$',      # skip .txt extensions
+  '(^|/)test/'   # skip directories named "test"
+]
+
+# URLs to check (supports regex). Has preference over all excludes.
+include = ['gist\.github\.com.*']
+
+# Skip checking mail addresses
+include_mail = true
+
+############################# Content Checks ######################
+# Mark pages as broken if the body contains "page not found" or "404"
+[content]
+deny = ["(?i)page not found", "(?i)404"]
diff --git a/.github/workflows/check-broken-pr-links.yml b/.github/workflows/check-broken-pr-links.yml
new file mode 100644
index 00000000000..5b73b241603
--- /dev/null
+++ b/.github/workflows/check-broken-pr-links.yml
@@ -0,0 +1,120 @@
+name: Check Links in Pull Requests
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - '**/*.md'
+
+jobs:
+  check-links:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1️⃣ Checkout repository
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      # 2️⃣ Get changed Markdown files in the PR
+      - name: Get changed Markdown files
+        id: changed-files
+        run: |
+          CHANGED_FILES=$(git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep '\.md$' || true)
+          CHANGED_FILES="${CHANGED_FILES//$'\n'/ }"
+          echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
+          echo "Changed Markdown files: $CHANGED_FILES"
+
+      # 3️⃣ Skip if no Markdown files changed
+      - name: Skip if no Markdown files changed
+        if: env.CHANGED_FILES == ''
+        run: |
+          echo "No Markdown files changed. Skipping link check."
+          exit 0
+
+      # 4️⃣ Run Lychee on changed files
+      - name: Run Lychee
+        id: run-lychee
+        uses: lycheeverse/lychee-action@v2
+        with:
+          args: |
+            --no-progress
+            --include-fragments
+            --format detailed
+            ${{ env.CHANGED_FILES }}
+          output: lychee/out_raw.md
+          fail: false  # ✅ don't fail yet, let us capture output
+
+      # 5️⃣ Format Lychee output (user-friendly, relative paths)
+      - name: Format Lychee report
+        id: format-report
+        if: always()
+        run: |
+          mkdir -p lychee
+          : > lychee/comment.md   # start with empty file
+      
+          awk '
+            /^Errors in / {
+              file=$3
+              gsub("^/home/runner/work/UmbracoDocs/UmbracoDocs/", "", file)
+              print "\nBroken links found in:\n" file >> "lychee/comment.md"
+              next
+            }
+      
+            /\[ERROR\]/ {
+              msg = $0
+              sub(/^- \[ \] /, "", msg)
+              sub(/^\[ERROR\] /, "", msg)
+              gsub("^file:///home/runner/work/UmbracoDocs/UmbracoDocs/", "", msg)
+              print "\n⚓ Anchor not found → " msg >> "lychee/comment.md"
+              next
+            }
+      
+            /\[404\]/ {
+              msg = $0
+              sub(/^- \[ \] /, "", msg)
+              sub(/^\[404\] /, "", msg)
+              print "\n❌ 404 Not Found → " msg >> "lychee/comment.md"
+              next
+            }
+      
+            /\[301\]|\[302\]/ {
+              msg = $0
+              sub(/^- \[ \] /, "", msg)
+              sub(/^\[(301|302)\] /, "", msg)
+              print "\n🔀 Redirect → " msg >> "lychee/comment.md"
+              next
+            }
+      
+            /Timeout/ && !/Timeouts/ {
+              msg = $0
+              sub(/^- \[ \] /, "", msg)
+              print "\n⏳ Timeout → " msg >> "lychee/comment.md"
+              next
+            }
+          ' lychee/out_raw.md
+      
+          # Add header only if we found content
+          if [ -s lychee/comment.md ]; then
+            sed -i '1i **The Link Checker found broken links in your PR**.\n Please review the following list:\n' lychee/comment.md
+            echo "has_content=true" >> $GITHUB_OUTPUT
+          else
+            echo "has_content=false" >> $GITHUB_OUTPUT
+          fi
+
+      # 6️⃣ Comment broken links on PR (if present)
+      - name: Comment broken links
+        if: always() && (env.CHANGED_FILES != '') && (steps.format-report.outputs.has_content == 'true')
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          path: lychee/comment.md
+          recreate: true
+
+      # 7️⃣ Fail workflow if broken links exist
+      - name: Fail workflow if broken links
+        if: steps.format-report.outputs.has_content == 'true'
+        run: |
+          echo "❌ Broken links detected. Please review the PR comment for details."
+          exit 1
diff --git a/.gitignore b/.gitignore
index 655ba93439d..946cb65a602 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 *.orig
 .vscode
 .idea
+.lycheecache
diff --git a/.lycheeignore b/.lycheeignore
new file mode 100644
index 00000000000..c149333be85
--- /dev/null
+++ b/.lycheeignore
@@ -0,0 +1,31 @@
+# These links are ignored by lychee link checker: https://github.com/lycheeverse/lychee
+# The file allows you to list multiple regular expressions for exclusion (one pattern per line).
+# The `.lycheeignore` file is only used for excluding URLs, not paths. Use the `exclude_path` key in the `lychee.toml` file. ref: https://lychee.cli.rs/recipes/excluding-paths/
+
+# GitHub blob/tree fragment links
+^https://github\.com/umbraco/Umbraco-CMS/blob/.*/.*#L.*
+^https://github\.com/umbraco/Umbraco-CMS/tree/.*
+^https://github\.com/Shazwazza/Articulate/blob/.*/.*#L.*
+^https://github\.com/umbraco/Umbraco-CMS/blob/.*
+
+# Anchor/fragment links causing false positives
+^https://apidocs\.umbraco\.com/.*/#.*
+^https://tinymce\.github\.io/.*/#.*
+^https://openid\.net/.*/#.*
+^https://docs\.microsoft\.com/.*#.*
+^https://learn\.microsoft\.com/.*#.*
+^https://developer\.mozilla\.org/.*/#.*
+^https://learning\.postman\.com/docs/.*/#.*
+^https://nginx\.org/.*/#.*
+^https://azure\.microsoft\.com/en-gb/services/media-services/.*
+^https://www\.tiny\.cloud/docs/.*
+
+# TinyMCE anchors
+^https://github\.com/tinymce/tinymce/issues/.*#.*
+
+# NIST FIPS and other static docs
+^https://csrc\.nist\.gov/publications/PubsFIPS\.html#.*
+
+# Timeout-prone Umbraco issue links
+^https://issues\.umbraco\.org/issue/.*
+^https://issues\.umbraco\.org/issues/.*