Talk about the effect of JavaScript on SEO

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You may often hear people say that JavaScript is bad for SEO. Indeed it is.

People who have a website design know that JavaScript can make a lot of brilliant effects, such as snowflakes, drop effects, floating effects, and so on, but JavaScript is not friendly to search engines, While search engines, such as Google, may be able to bypass JavaScript directly while grabbing page information, Google's official documentation specifically emphasizes the minimal use of frames, Dhtml, cookies, Flash, JavaScript, etc. The reason is that the search engine in the face of these things need to judge, 8630.html "> Sometimes need to go back and forth to judge, we list several together analysis:

1. For the framework, Google makes it clear that it supports the crawl frames page but does not avoid the phenomenon that can not be crawled, when a few frames are side-by or nested, Google may only recognize one of them, and ignore the others.

2. For flash, we can add alt description for SEO optimization, or for its production of another static Web page to guide the search engine to collect, but too much flash also makes the Web page too large and not conducive to inclusion.

3. For JavaScript, if you want to use JavaScript, we can do some SEO processing, the most important thing is not to add JavaScript code directly on the page, but also to make them into a JS file, such as Test.js, and then in the Web page To create a link in the link, as follows:

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