From Business.com, 302 Redirection [ZT]

xiaoxiao2021-03-06  44

From Business.com, 302 redirect compilation: Karen >> Website redirects Business.com is the largest commercial search engine and classified catalog to provide commercial information, including nearly 190,000 webpages. If the keyword "business" is searching in Google, the website is ranked first. However, on September 5, Business.com encountered a piece of embarrassment: its home page became a PR0 by PR8, and the home page was found in Google search results. It's just the first page that is "evaporate", but fortunately, the next day the home page returns to Google's search results, but the PR is still 0.

Business.com's question is on its redirect command. This website allows Business.com to jump to www.business.com, which is permanent. We know that 301 belongs to a permanent redirect, and 302 belongs to a temporary redirection, which can be used if a website or web page is transferred to other locations within 24 to 48 hours. But business.com is incorrectly used "HTTP / 1.1302 Object Moved" status code. In fact, the website is extremely common, such as the original domain name is not satisfied with the original domain name; bought the domain name that is easy to be misplaced, prevent customers from can't find the website because of the mistrien URL, and so on. However, many people will be "destroyed the disaster" because of the wrong redirect status code, like Business.com. Although their redirection is well reasonable, if not properly used, it may be mistaken by Google to use multiple domain names to point to the same website, then your website will be sealed, the crime is "using repeated content to interfere with Google Search Results of the website ranking. Business.com is the best way to go. Only, most websites using the wrong redirect parameters are not business.com so lucky, a small redirection may make the website before, only from the head: re-apply for new domain names, re-release new websites, and so on. Remember: Google will never sympathetic anyone even if there is no mistake. >> Website Server Response Web browsing requests The operation process allows us to learn about the interactive flow of the user / search engine and the website. When a user or search engine issues a web browsing request to a website server, the server will: 1. Convert the domain name to the website's IP address, then return to the client 2. Open a IP socket connection 3 Make a note of an HTTP data stream through the socket 4. The HTTP data stream of a response request is received from the web server. The data stream contains a status code, and the value of the status code is determined by the HTTP protocol. The "HTTP data stream" information here is also called "header". The header information includes the date, the server type, usually there will be "200 OK" information. If everything is good, the web server will send "200 ok" information and the request page. If the website has established a redirection at this time, the server contains a "302 MOVED TEMPORARILY" or "301 Moved Permanent" in the header information. The search engine will make a decision according to the content of the server header. >> Site redirection notice 1. If you are ready to move files on the server to other places, you must correctly notify the search engine's crawler: - Destination Address: These files are moved to: Mobile Properties: Temporarily remove or permanently remove 2. For websites with multiple domain names, experts recommend that domain names that do not want to promote on search engines with 301 jump commands to permanently redirect. >> Make sure the website implements the correct 301 redirection for the correct implementation 301 redirection, there are several methods available for your reference: 1. Add 301 redirection instructions in .htaccess file 2. Suitable for users using UNIX network servers . Notifying the SPIDER of the search engine through this instruction to not in this address. This is a more common way. Rated as: redirect 301 / http://www.yourdomain.com/3. System Administrator Configuration Area of ​​Server Software 301 Redirects for users who use the Window web server 4. Adopt "MOD_REWRITE" technology.

Changes in this technique will be reflected in .htaccess files, such as: Options Followsymlinks RewriteEngine on rebritecond% {http_host} ^ YourDomain / .com shutriterule ^ (. *) $ Http://www.yourdomain.com/ $ 1 [R = Permanent, L] 5. Binding / Local DNS If you have the permissions to edit the local DNS record, you can resolve this issue as long as you add a record. If there is no such permission, the website managed service provider may be required to set the DNS server. The setting of the DNS server wants to point AAA.DOMAIN.com to www.domain.com, just add an individual record in the DNS service, written: AAA IN CNAME www.domain.com. If you need to configure a large amount of virtual domain name, you can write: * in cname www.domain.com. This will redirect all the records not set to www.domain.com. 6. Implement 301 Redirection with ASP / PHP: ASP: Response.status = "301 MOVED Permanently" response.addheader "location", "http://www.yoursite.com/" response.endphp: header ("http / 1.1 301 Moved Permanently "); Header (" location: http://www.yoursite.com/ "); exit (); >> Senior SEO expert Dan Thies view: For Business.com, Dan Thies deeply, because he has also experienced similar encounters. There is a member tracking script on his website, one of which is mapped to this tracking script through 302 command, and this tracking script is mapped through 302 to his homepage. When searching in Google, his home page ranks in the top ten, but the address is displayed, but the URL of the member. The result made him smile: visitors enter his website through Google search results, but he has to pay the member for these visits! Later, he uses the robots.txt file to prohibit SPIDERS Tracking to visit his membership tracking script. The problem. For Business.com, Dan Thies believes that there is still a certain issue in the process of "current Google on 302 Redirect", but does not mean that Google does not allow 302 redirection. Business.com has not been sealed or punished, and they just returned to the wrong response. "Dan Thies suggest: If you use the trace URL / script, you must let the visitor redirect to a landing page, so be sure to disable spiders from accessing the second redirection in the robots.txt file. If there is no tracing URL / Script is redirected, but only the content on another URL is copied, then spiders should be disabled from accessing the Tracking URL to prevent the search engine penalty for the content repeat. >> 301 Redirect Experience talks about a multi-domain of experience in the experience of the master: "I only have a website, the primary domain name is www.domain.com, and there are more than a dozen domain names such as Domain1.com, Domain2.com, Domain3.com. All of these secondary domains are mapped to www.domain.com, and all domain names correspond to the same IP address.

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