Technical guidelines for Webmaster
So far resembled Google indexing systems old text-based browsers such as Lynx, and so it was also in our Webmaster Guidelines. Since the indexing is now based on the presentation page, our indexing systems are no longer comparable to a text-based browser. Instead, it is more of a modern web browser.
Similar to our modern browsers display module does not support all technologies used on a page under certain circumstances. Ensures that your web design to the principles of progressive improvement corresponds, as our systems (and many browsers) can then identify suitable content and basic functions better, certain web features should not be supported.
Pages that are displayed quickly, not only ensure that users have faster access to your content, but also make the indexing of these pages much more efficiently. You can check a website’s performance with various SEO tools available on World Wide Web. Considered the best practices for optimizing the performance side in particular the main point the should be kept in mind is unnecessary downloads should be avoided.