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The W3C Markup Validation Service

W3C's easy-to-use markup validation service, based on SGML and XML parsers.
https://validator.w3.org/ - Details - Similar

HTML5 - Wikipedia

WHATWG's Ian Hickson (Google) and David Hyatt (Apple) produced W3C's first public working draft of the specification on 22 January 2008. 2
https://en.wikipedia.org/wiki/HTML5 - Details - Similar

HTML - Wikipedia

Web browsers receive HTML documents from a web server or from local storage and render the documents into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for its
https://en.wikipedia.org/wiki/HTML - Details - Similar

CSS - Wikipedia

The name cascading comes from the specified priority scheme to determine which style rule applies if more than one rule matches a particular element. This cascading priority scheme is predictable.
https://en.wikipedia.org/wiki/CSS - Details - Similar

CSS - Wikipedia

The name cascading comes from the specified priority scheme to determine which declaration applies if more than one declaration of a property match a particular element. This cascading priority scheme is predictable.
https://en.wikipedia.org/wiki/CSS3 - Details - Similar

Web design - Wikipedia

Since the start of the 21st century, the web has become more and more integrated into people's lives. As this has happened the technology of the web has also moved on. There have also been significant changes in the way
https://en.wikipedia.org/wiki/Web_design - Details - Similar

World Wide Web Consortium - Wikipedia

The organization tries to foster compatibility and agreement among industry members in the adoption of new standards defined by the W3C. Incompatible versions of HTML are offered by different vendors, causing inconsisten
https://en.wikipedia.org/wiki/World_Wide_Web_Consortium - Details - Similar

What is HTML5? - IONOS

What is HTML5? And how does the new web standard differ from its predecessor, HTML 4.01? We've broken down some of the newest HTML5 features for you.
https://www.ionos.co.uk/digitalguide/websites/web-development/what-is-html5/ - Details - Similar

Organisation Validation Certificate - OV SSL Certificate | Safename

Secure your website with a top level Organisation Validation SSL Certificate with Safenames. Buy your Organisation Validation SSL certificate from reliable provider.
https://www.safenames.net/ssl/organisation-validation - Details - Similar

Bulk SMS FAQ, Bulk SMS Reseller FAQ

Get your answers here for all your Bulk SMS FAQ and also bulk sms reseller faq. Get genuine & reliable bulk sms services in india using our advance panel
https://bestsms.co.in/bulk-sms-faq.php - Details - Similar

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