Search engine Spider 3 Test criteria

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Search engine spiders for the search engine is the source of information, for webmaster, always want the site to search engine spider friendly, hope that spiders can be in their own site more crawl point page. In fact, these spiders do not want to crawl more points page, more update point page, but the Internet information is too huge, sometimes spiders are incompetence. This leads to a search engine spider's assessment, spiders are also in the hard work every day, but also need to assess the evaluation, of which there are 3 of the most important assessment criteria: Crawl Web coverage, capture the timeliness of web pages and crawl the importance of Web pages.

Crawl page Coverage

For today's search engine, there is no search engine can crawl all the Web pages appear on the Internet, all search engines can only index the part of the Internet, there is a concept-"dark net", dark Net is the current search engine spiders in accordance with the usual way difficult to crawl to the Internet page, Spiders are dependent on the links found in the page to find new pages, and then crawl the index, but many page content is stored as a database. This makes it difficult or impossible for spiders to crawl the information, and the result is that users cannot get it from search engines.

Crawl Web coverage refers to spiders crawl the number of Web pages accounted for the proportion of all web pages, it is clear that the higher the coverage, the search engine can index the number of rankings of the larger, can participate in the comparison show more search results, the user search experience is also better. Therefore, in order to allow users to search for more accurate, more comprehensive results, to provide crawl page coverage is essential, and in addition to the improvement of the crawl, the dark web data capture has become a major search engine research direction.

This shows that the crawl page coverage is the search engine spiders a key standard, this is a very large base, related to the following index, sorting and display volume, for the user search experience is essential.

Crawl Web Timeliness

Speaking of the user's search experience, the timeliness of the Web page relative coverage sentence more intuitive, such as you search results in search of a result, when you click the page is not there, how to feel? Search engines are trying to avoid these, so spiders crawl pages timeliness is also an important test point. More information on the Internet, spiders crawl a round takes a long time period, this time before the index of many pages may have been changed or deleted, which led to a part of the search results are outdated data.

In a word is the spider can not change the first time after the Web page changes to reflect these changes to the Web library, so the problem comes, first, for example, the page is only the content changes, search engines can not timely to compare these changes to give users a more reasonable ranking. Second, if the page in front of the search results has been deleted, due to the lack of timely crawl updates, but also ranked in an important position, then no doubt the user is a kind of harm. Finally, many people will be included in the page after the addition of some bad information, so that the previous ranking to show the information now, the next spider update will be processed.

So for the search engine, it is certainly hope that the database pages can be updated in a timely manner, the number of outdated web pages, the timeliness of the Web page is better, the role of the user experience is self-evident.

The importance of crawling Web pages

Spiders crawl a lot of content, but also updated in time, but if the crawl are some low-quality content, it is certainly not. Although to catch more, but each page importance difference is very big, this is the contradiction of the place, search engine spiders not only to do much, fast, but also to do well. Therefore, it is necessary to give priority to the quality of the site can often provide high-quality content, especially the timely quantitative update, so as to maximize the quality of the content to ensure that not be missed, which can be said to be no way. If the search engine spider back page Most of the more important pages, it can be said to crawl the importance of the web has done very well.

In short, the current search engine spiders for a variety of reasons, can only crawl the Internet part of the page, so in the effort to crawl as many pages as possible at the same time to choose the more important part of the page to index, and for the Web page has been crawled, will update its content as soon as possible. Note that all of these are as much as possible, so this is the direction of the major search engine efforts. If these 3 areas are well done, the search engine user experience will certainly be better.

Written in the last

Search engine for the above 3 standards have been making efforts, but also called on the webmaster together, such as Baidu Webmaster Platform data submission can be very good to expand Baidu spider crawl coverage, and then such as Baidu to encourage the webmaster to submit or directly submit Sitemap, which also for spiders to crawl updates to facilitate. Search engine spider work is more tired, want to do much, still want to do fast, even do well, it is not easy. So webmaster should first let the site link path easy to crawl, flat structure, let spiders in a limited time to crawl more things, so that spiders in your site can do much more and do fast, at the same time the regular update of high-quality content, so that spiders in your ability to do well, so over the years, spiders in your site will do more, Do it faster and better, because it needs. If the site structure is chaotic, always update the garbage content or not update, the spider can only walk and stop, because it also has to work.

Article from wood-wood SEO Blog: Http://blog.sina.com.cn/mumuhouzi micro-letter public number: Mumuseo