Designing Web pages from the perspective of search engine spider

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The success or failure of optimizing the site depends on how the search engine perceives our work. If in the optimization process does not follow the basic SEO principles, then, no matter how much will not achieve the intended effect: if all we do is not by the search engine "see" to, our site in the search page ranking how will the top?

What is spider

Spider is an automatic program used by search engines to access Web pages on the Internet (that is, the usual sense of robots). Generally speaking, different search engine's spider function and means are roughly the same, they are used to "crawl" in the website, read the Web page, put it into the index data of the search engine, on this basis, the search engine can decide the relevance, rank and so on of the index database according to the respective algorithm, Different search engines adopt different algorithms, and the specific technology of indexing site has its own characteristics, but today we are going to focus on what Spider is interested in and what spider ignores-after all, spider decide if someone else can find our web page--Understand these, We can be more targeted to design, improve our web pages.

Fundamentally, because the search engine's spiders is only "program", which determines that it is impossible to read the corresponding Web page like a person, such as pictures, Flash, JavaScript and other people can have a great impact on the visual design of the spider is "invisible", They only know the specific identity. This requires us to spider "likes and dislikes" to adjust the design of the Web page.

Flash, JavaScript, pictures, and frames

For Spider, Flash, JavaScript, and the text in the picture is not visible, the framework in many cases for SEO is a disaster. Perhaps the above elements can make our pages more beautiful and attractive, but for the search engine is another matter. As for the common use of the Flash homepage in some graphic designer websites, in those pages, keywords and links are embedded in the flash, which can not be read by the search engine, the search engine on such a page can hardly see anything interesting, this also talk about what search results ranking?

In fact, spider reads pages in the same way as the "old" text browsers, which don't see anything other than text, so the text in the picture is meaningless to spider. For Web pages must be used in the picture and flash, you can use in its ALT attribute to add a description of the picture, of course, in the description should be careful not to overuse keywords, or to another extreme that is "keyword fill."

Link

Many sites in the link using JavaScript such as mouse over events to achieve a very gorgeous effect, but such links spider often can not be effectively interpreted and ignored, which caused the spider in the site "crawling" stop. The solution to this type of problem is to add the label and the corresponding link to the statement.

Dynamic page

Dynamically generated pages, especially when used like "? Id=14 "page, for the spiders is also difficult to understand, although most search engines have been trying to solve this problem, but in many cases still can not be as static Web page as the spider friendlier. If the conditions allow, you can use the appropriate URL rewrite technology to spider that it is a static web page, reducing its difficulty reading.

In order to ensure the correct, in the Web design, you can use the Spider simulator to check what the spider eyes of our web page, is not the original intention of our design deviated. Similar to the spider Simulator online a lot, like this one. After all, only in the guarantee that our web page can be indexed by the normal search engine conditions, the search engine rankings to optimize the significance.