Updated Advice for Optimal Website Indexing

Historically, Google indexing systems resembled old text-only browsers, such as Lynx, and that’s what our Webmaster Guidelines said. Now, with indexing based on page rendering, it's no longer accurate to see our indexing systems as a text-only browser.

Instead, a more accurate approximation is a modern web browser. With that new perspective, keep the following in mind:

  • Just like modern browsers, our rendering engine might not support all of the technologies a page uses. Make sure your web design adheres to the principles of progressive enhancement as this helps our systems (and a wider range of browsers) see usable content and basic functionality when certain web design features are not yet supported.
  • Pages that render quickly not only help users get to your content easier, but make indexing of those pages more efficient too. We advise you follow the best practices for page performance optimization, specifically:
  • Make sure your server can handle the additional load for serving of JavaScript and CSS files to Googlebot.

Progressive Enhancement consists of the following core principles:

  • basic content should be accessible to all web browsers
  • basic functionality should be accessible to all web browsers
  • sparse, semantic markup contains all content
  • enhanced layout is provided by externally linked CSS
  • enhanced behavior is provided by unobtrusive, externally linked JavaScript
  • end-user web browser preferences are respected

More, from Google, regarding how they render websites as modern browsers do, unlike in 2009.

perm_identityAli Jaffar

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