Search engine spiders visit the site will be the first to visit robots.txt file, robots.txt is used to guide the search engine spiders to prohibit the capture of certain content on the site or only allowed to capture the content, placed in the root directory of the site. User-agent indicates that the following rules apply to which spider, * table ...

URL design principles: the shorter the better to avoid too many parameters directory level as little as possible file and directory name with descriptive URL including keywords (except Chinese) letters all lowercase hyphenation use - rather than _ directory form rather than file form URL static search engine crawling to the present ...

Unique H1 title Every page should have a unique h1 title, but not every page's h1 title is the site name. (But in html5 the h1 title is allowed to appear multiple times, and each tag with a structural outline can have its own independent h1 title, such as header,foote...

The traditional methods of external link construction are mainly the following three: First, through the normal release of information to do external link construction, through other methods to do a single import link. Can be in the major communities, forums, posting, microblogging information, in the content of the self-links pointing to the site, which is the most primitive and basic ...