Search engines do not include the reason for the site

1, the use of the framework of Web pages: Within the framework of the content is usually not within the search engine crawl.

2, too many pictures, too little text.

3, submit the page to another site: Search engine may completely skip this page.

4, submit too frequently: one months to submit more than 2 times, many search engines can not stand, think you are submitting rubbish.

5, the site keyword density is too large: Unfortunately, the search engine does not explain how high density is the limit, the general view of the 100-word description contains 3-4 keywords for the best.

6. The text color is the same as the background color: The search engine thinks you are cheating it with the keyword.

7, Dynamic Web pages: Web site Content management system to facilitate the updating of the Web page, but to most of the search engine trouble, many search engines do not charge dynamic pages, or only to collect the first layer of pages, will not be in-depth collection. At this point to consider the use of Web server rewrite (rewrite) technology, the dynamic page URL map to the static page URL similar to the format, the search engine mistakenly thought is static page, will be charged.

8, Web site transfer server: Search engines usually only recognize the IP address, the conversion of the host or domain name, ip/dns address changes, then you have to resubmit the site.

9, free website space: Some search engine refused to index the site from free space, complaining about a lot of rubbish, poor quality.

10, search engine crawl when the Web site is not online: If the host is not stable, it is possible to appear this situation. Worse still, even if the site has been included, the crawl is found not in the line, will also delete the site as a whole.

11, mistakenly blocked the Robots index Web site: There are two ways to block robots: The host Server root directory has a simple text file, Web page contains a meta tag.

12, a large number of use of flash, DHTML, cookies, JavaScript, Java production or password access to the Web pages, search engine difficult to extract content from this page.

13, search engine can not resolve your DNS: new domain name after the registration of 1-2 days to take effect, so do not register a domain name immediately submit the site.

14, the site is too wide links too low: the link is too low, search engine difficult to find you, at this time to consider the site to log into well-known categories, or to do a few more links.

15, the server is too slow: the network bandwidth is small, the Web page download speed is too slow, or the Web page is too complex, may cause the search engine has not found the text content on the pause.

16, keyword questions: If the text does not appear in your meta tags mentioned in the keyword, the search engine may be considered a spam keyword.