diff --git a/packages/schema/src/link.ts b/packages/schema/src/link.ts
index d31cf7d..bccd366 100644
--- a/packages/schema/src/link.ts
+++ b/packages/schema/src/link.ts
@@ -1,4 +1,4 @@
-import type { HttpEventAttributes } from '@zhead/schema/src/attributes'
+import type { HttpEventAttributes } from './attributes'
 
 export type LinkRelTypes = 'alternate' |
 'author' |
@@ -59,7 +59,7 @@ export interface Link extends HttpEventAttributes {
    * The value must be a string that matches the CSS <color> production,
    * defining a suggested color that user agents can use to customize the display
    * of the icon that the user sees when they pin your site.
-   * 
+   *
    * @see https://html.spec.whatwg.org/multipage/semantics.html#attr-link-color
    */
   color?: string
@@ -155,7 +155,7 @@ export interface Link extends HttpEventAttributes {
    *
    * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link#attr-rel
    */
-  rel?: LinkRelTypes | string
+  rel?: LinkRelTypes | (string & Record<never, never>)
   /**
    * This attribute defines the sizes of the icons for visual media contained in the resource.
    * It must be present only if the rel contains a value of icon or a non-standard type
@@ -163,7 +163,7 @@ export interface Link extends HttpEventAttributes {
    *
    * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link#attr-sizes
    */
-  sizes?: 'any' | '16x16x' | '32x32' | '64x64' | '180x180' | string
+  sizes?: 'any' | '16x16x' | '32x32' | '64x64' | '180x180' | (string & Record<never, never>)
   /**
    * The title attribute has special semantics on the <link> element.
    * When used on a <link rel="stylesheet"> it defines a default or an alternate stylesheet.
@@ -255,7 +255,7 @@ export interface Link extends HttpEventAttributes {
   'video/3gpp' |
   'audio/3gpp' |
   'video/3gpp2' |
-  'audio/3gpp2' | string
+  'audio/3gpp2' | (string & Record<never, never>)
   /**
    * This attribute defines the unique ID.
    */
diff --git a/packages/schema/src/meta.ts b/packages/schema/src/meta.ts
index 042ab4e..a03bc1b 100644
--- a/packages/schema/src/meta.ts
+++ b/packages/schema/src/meta.ts
@@ -1,28 +1,83 @@
-import type { MetaFlat } from './meta-flat'
+export type MetaNames =
+'charset' |
+'description' |
+'color-scheme' |
+'application-name' |
+'author' |
+'creator' |
+'publisher' |
+'generator' |
+'referrer' |
+'viewport' |
+'robots' |
+'google' |
+'googlebot' |
+'google-site-verification' |
+'rating' |
+'fb:app_id' |
+'theme-color' |
+'mobile-web-app-capable' |
+'apple-mobile-web-app-capable' |
+'apple-mobile-web-app-status-bar-style' |
+'apple-mobile-web-app-title' |
+'apple-itunes-app' |
+'format-detection' |
+'msapplication-TileImage' |
+'msapplication-TileColor' |
+'msapplication-Config' |
+'content-security-policy' |
+'content-type' |
+'default-style' |
+'x-ua-compatible' |
+'refresh'
 
-type Kebab<T extends string, A extends string = ''> =
-  T extends `${infer F}${infer R}` ?
-    Kebab<R, `${A}${F extends Lowercase<F> ? '' : '-'}${Lowercase<F>}`> :
-    A
-
-type KebabColon<T extends string, A extends string = ''> =
-  T extends `${infer F}${infer R}` ?
-    KebabColon<R, `${A}${F extends Lowercase<F> ? '' : ':'}${Lowercase<F>}`> :
-    A
-
-type FixCase<T extends string> =
-  T extends 'fbAppId' ? 'fb:app_id' :
-    T extends 'ogImageSecureUrl' ? 'og:image:secure_url' :
-      T extends 'ogVideoSecureUrl' ? 'og:video:secure_url' :
-        T extends
-          `og${infer R}` | `twitter${infer R}`
-          ? KebabColon<T> : Kebab<T>
-
-type ContentKeys<T extends string> = T extends
-  `og${infer R}` | `twitter${infer R}` ? never : T
-
-type PropertyKeys<T extends string> = T extends
-  `og${infer R}` | `twitter${infer R}` ? T : never
+export type MetaProperties = 'og:url' |
+'og:title' |
+'og:description' |
+'og:type' |
+'og:locale' |
+'og:locale:alternate' |
+'og:determiner' |
+'og:site:name' |
+'og:video' |
+'og:video:url' |
+'og:video:secure_url' |
+'og:video:type' |
+'og:video:width' |
+'og:video:height' |
+'og:image' |
+'og:image:url' |
+'og:image:secure_url' |
+'og:image:type' |
+'og:image:width' |
+'og:image:height' |
+'fb:app:id' |
+'twitter:card' |
+'twitter:title' |
+'twitter:description' |
+'twitter:image' |
+'twitter:image:alt' |
+'twitter:site' |
+'twitter:site:id' |
+'twitter:creator' |
+'twitter:creator:id' |
+'twitter:player' |
+'twitter:player:width' |
+'twitter:player:height' |
+'twitter:player:stream' |
+'twitter:app:name:iphone' |
+'twitter:app:id:iphone' |
+'twitter:app:url:iphone' |
+'twitter:app:name:ipad' |
+'twitter:app:id:ipad' |
+'twitter:app:url:ipad' |
+'twitter:app:name:googleplay' |
+'twitter:app:id:googleplay' |
+'twitter:app:url:googleplay' |
+'twitter:data:1' |
+'twitter:label:1' |
+'twitter:data:2' |
+'twitter:label:2'
 
 export interface Meta {
   /**
@@ -34,13 +89,13 @@ export interface Meta {
    *
    * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta#attr-charset
    */
-  charset?: string
+  charset?: 'utf-8' | (string & Record<never, never>)
   /**
    * This attribute contains the value for the http-equiv or name attribute, depending on which is used.
    *
    * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta#attr-content
    */
-  content?: (MetaFlat[keyof MetaFlat] extends string ? MetaFlat[keyof MetaFlat] : never) | string | number
+  content?: string
   /**
    * Defines a pragma directive. The attribute is named http-equiv(alent) because all the allowed values are names of
    * particular HTTP headers.
@@ -59,13 +114,13 @@ export interface Meta {
    *
    * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta#attr-name
    */
-  name?: FixCase<ContentKeys<keyof MetaFlat>> | string
+  name?: MetaNames | (string & Record<never, never>)
   /**
    * The property attribute is used to define a property associated with the content attribute.
    *
    * Mainly used for og and twitter meta tags.
    */
-  property?: FixCase<PropertyKeys<keyof MetaFlat>> | string
+  property?: MetaProperties | (string & Record<never, never>)
   /**
    * This attribute defines the unique ID.
    */