Shanghai dragon various query tool
404 page back status detection
Linux Apache setup in
贵族宝贝 Shanghai dragon egghead贵族宝贝/
in search engine optimization, there are two problems about page state jump, generally overlooked. 301 and 404 error page jump.
301 jump is the permanent redirect to another page page, at the same time, the original weight will jump domain included some data transfer to the target page jump. So the 301 jump jump to www.xxx贵族宝贝 xxx贵族宝贝 is used to replace the domain name and website. To search engine, xxx贵族宝贝 and www.xxx贵族宝贝 are two websites, we generally understand www.xxx贵族宝贝 and domain name, xxx贵族宝贝 is actually a domain name. Www.xxx贵族宝贝 and bbs.xxx贵族宝贝 belong to the two level domain name. The search engine xxx贵族宝贝 in time and give the weight of the collected data and www.xxx贵族宝贝 is different.
quoted />rewriteEngine on
ErrorDocument 404 /404.htm
404 error page to the search engines crawl the page prompts the user search engine and the current page error page 404 page is only required return status must be 404 error code, instead of 200 or 302, the search engine to avoid repeated attempts to grab the wrong page. Apache and IIS default 404 page is very simple, and does not conform to the user experience, easy to lose users. So to establish a friendly 404 page is equally important, don’t automatically jump back to the home page, can add recommended information, the search box to help users solve problems.
domain name redirection state detection