W3C Markup Validation Service
The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition. Markup validation is an important step towards ensuring the technical quality of web pages. However, it is not a complete measure of web standards conformance. Though W3C validation is important for browser compatibility and site usability, it has not been confirmed what effect it has on search engine optimization.
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W3C Markup Validation Service
The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition. Markup validation is an important step towards ensuring the technical quality of web pages. However, it is not a complete measure of web standards conformance. Though W3C validation is important for browser compatibility and site usability, it has not been confirmed what effect it has on search engine optimization.
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Der Markup Validation Service ...... Konformität mit Webstandards.
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El W3C Markup Validation Servi ...... s efectos que tiene en el SEO.
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Markup Validation ServiceはWorl ...... L標準へ準拠しているかどうかを検証するためのサービスである。
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The Markup Validation Service ...... e of which is provided by W3C.
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W3C Markup Validation Service ...... k dokumen web
* Unggah berkas
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W3C Markup Validation Service ...... mització dels motors de cerca.
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W3C Markup Validation Service ...... ternetowej znalezienie błędów.
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W3C Validator (The W3C Markup ...... zazione dei motori di ricerca.
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W3C Validator, ett gratis hjäl ...... r rekommendationerna från W3C.
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由万维网联盟（W3C）提供的驗證服務可以為互聯網用戶檢查HTML文件是否符合HTML或XHTML標準。這可以向網頁設計師提供快速檢查網頁錯誤的方法。
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Link from a Wikipage to an external page
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page length (characters) of wiki page
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1,016,458,047
Link from a Wikipage to another Wikipage
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Tag certifying that a website has been checked for well-formed XHTML and CSS markup
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Der Markup Validation Service ...... Konformität mit Webstandards.
@de
El W3C Markup Validation Servi ...... s efectos que tiene en el SEO.
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Markup Validation ServiceはWorl ...... L標準へ準拠しているかどうかを検証するためのサービスである。
@ja
The Markup Validation Service ...... on search engine optimization.
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W3C Markup Validation Service ...... k dokumen web
* Unggah berkas
@in
W3C Markup Validation Service ...... mització dels motors de cerca.
@ca
W3C Markup Validation Service ...... ternetowej znalezienie błędów.
@pl
W3C Validator (The W3C Markup ...... zazione dei motori di ricerca.
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W3C Validator, ett gratis hjäl ...... yn till de övriga kriterierna.
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由万维网联盟（W3C）提供的驗證服務可以為互聯網用戶檢查HTML文件是否符合HTML或XHTML標準。這可以向網頁設計師提供快速檢查網頁錯誤的方法。
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W3C Markup Validation Service
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W3C Markup Validation Service
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W3C Markup Validation Service
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W3C Markup Validation Service
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W3C Markup Validation Service
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W3C Markup Validation Service
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W3C Markup Validation Service
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W3C Markup Validation Service
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W3C Validator
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W3C驗証服務
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