Google is discontinuing its supports for its previous proposal to make AJAX web pages crawlable by Googlebot. In the official Google blog post, Google’s Kazushi Nagayama said that they are “no longer recommending the AJAX crawling proposal we made back in 2009.”
Does this mean that Google no longer indexes AJAX pages?
Google now recommends ‘progressive enhancement’ for your web pages
Although the old method for AJAX pages won’t cause problems, Google now recommends that you use ‘progressive enhancement‘ for your web pages.
Progressive enhancement is a strategy for web design that emphasizes accessibility, semantic HTML markup, and external stylesheet and scripting technologies.
What is progressive enhancement?
Progressive enhancement uses web technologies in a layered fashion that allows everyone to access the basic content and functionality of a web page, using any browser or Internet connection, while also providing an enhanced version of the page to those with more advanced browser software or greater bandwidth.
Progressive Enhancement consists of the following
- 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
- end-user web browser preferences are respected
Does this mean that you have to adjust your web pages?
As long as search engine robots can index your web pages, you do not have to adjust them. In general, it is highly recommendable that the most important contents of your web pages are accessible to all web browsers.
If advanced technologies are necessary to view the contents of your pages, chances are that many visitors won’t be able to view them.
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