How to do 301 redirects for large web sites

Summary: Recently, the author in the SEO Director group to see a friend of the website encountered such a problem: the site changed the new domain name and did 301 redirect, but after a period of time the old domain name to the new domain name, and the new domain name ranking gradually decline (more and more serious), when

Recently, the author in the SEO Director group to see a friend of the Web site encountered such a problem: the site to replace the new domain name and did 301 redirect, but after a period of time the old domain name to the new domain name, and the new domain name ranking gradually decline (more and more serious), after half a year

301 of what I've been through

This reminds me of the 301 that I have done, at that time I acted as the SEO director of China, in order to upgrade the brand needs to change the old domain name into a new dual-spell domain name. To this end, I have done a lot of preparatory work. I did not think the structure is still very tragic, after 301 redirect Chinaz estimated traffic from the previous 150,000 to less than 50,000, is a heavy loss.

Analyze and solve problems

After analysis, found that the keyword ranking is not immediately after 301 drop, but first almost all transferred to the new domain name, and then after a two-month period began to decline, and began to become more and more serious. Looking back at the whole process, I found the following questions:

1, the template on the existence of a large number of old domain name of the absolute address, resulting in a large number of new domain name after the export link.

2, very old very old page appears a large number of dead links.

3, 301 months after the friendship link was a large number of removed (the reason is the weight of the old domain name is not).

Then, do the following several solutions and start to save:

1, modify the template, replace the old address for the new address, and regenerate all the pages.

2, replace the old column template with a new template, and regenerate all the pages.

3, arrange the outside chain Commissioner to contact each link, modify the new domain name

4, in addition, continue to strengthen the exchange of new friends chain.

Today, the site's Chinaz estimated traffic has been restored to near the original 150,000, which means the above method is effective.

Reflection on 301 Redirect

Today, I've had other friends who have had similar problems, and I've been rethinking the whole process: thinking about what caused the drop in rankings after 301 redirects. found that the 1th and 2nd issues mentioned above have long appeared, not 301 of the time, so I think it is 301 after a lot of decline in friendship links caused.

So, what is the reason for the 301 redirect after the large number of links to decline it? The reason is very simple: because after 301, many links link site is our old domain name, and the weight of the old domain name will gradually become 0 (webmaster tools), So this time many links will think that our site is down the right to revoke the link. This time, think our site is down right and undo the link is not a few, but most. Therefore, this time, the loss of friendship links is very heavy.

From this, I speculate a conclusion: the old domain name friendship links more, 301 redirect after the impact of the rankings, if there is no link (most of the natural connection), it has little impact.

301 Correct policy for redirection

Many friends have said that any site to do 301 redirect will have a loss, but only the loss of size. Based on my experience, we have developed the following strategies, if a friend is about to change the domain name for the site, may wish to refer to, may help you to minimize the loss. The correct steps are:

1, at the same time to resolve the old domain name and new domain name, keep in parallel for a period of time, until the new domain name "hijacked" the old domain name of the PR (the purpose is to facilitate the exchange of links after 301 to change into our new domain name);

2, in the Baidu Webmaster platform to verify the new and old domain name, to prepare for 301.

3, when the new domain name to get PR, operation on the server 301, and then in the Baidu Webmaster platform set 301.

4, check all the pages, the page of the old domain name to the new domain name, and modify all the dead link.

5, such as the new domain name Baidu weight almost restored, immediately contact all the links, let the other party to change to a new domain name.

6, in order to avoid the loss of friends chain, but also should be more efforts to strengthen the new friend chain work.