One, what is dead link?

When we browse a website, one choose a site for the capital has had encountered the experience that cannot find a webpage, namely one sees the webpage link with be like normal, corresponding page cannot be opened after clicking. This links what we say to be dead link.

Dead link is the professional term in website construction, tell simply, dead link is to point to can visit normally so, later the invalid link because of reason invalidation. From the point of the angle of the user, dead link and the performance that the mistake links are same, so general we do not need to distinguish dead link and wrong link.

The following kinds of cases can appear to link to death:

• Below the condition that dynamic link supports no longer in the database, will become dead link.
• A certain file or webpage moved the position, bring about the link that points to it to become dead link.
• Webpage content is updated and change other links, former link becomes dead link.
• Website server installs a mistake.

2, what effect does dead link have to SEO?

Regard SEO as personnel, we must want to do our utmost to avoid a website to appear to be linked to death!

Should a bit more affirmative, although dead link is not the main reason of the rank that affects your website, but same meeting optimizes a rank to cause an effect to the website.

Above all, if a website is put in many dead link, click the word that visits suffocate suffocate for many times, the user experiences inevitable very poor, be sure to mar the integral image of the website greatly, affect the authority of the website badly.

Next, when search engine spider crawls through the link if encounter too much link to cannot arrive, collect page amount to be able to decrease, searching the weight in engine to the website with respect to meeting influence then. Can say, dead link is to search engine to assess the main index with your whether eligible website, link too much meeting to reduce a search to make the judgement of the authority that props up pair of websites and friendly sex directly to death, to the website at the same time the rank causes harm.

3, how should SEO handle dead link?

1, regular whether does examination website exist to be linked to death. To establish good website figure, avoid to appear invalid link, after the design that completes a website when us is made, must check seriously whether to put in invalidation link, so that be revised in time. After uploading, we still can use the SEO tool that a few examinations link to death to undertake checking.

2, encounter a website to appear to be linked to death, should delete for a short while be linked to death or repair is linked to death, make website structure more smooth.

3, build 404 pages, guide what link to death to click. When dead link sends a request, the server can return 404 wrong pages. The page that the purpose of 404 pages requests to tell the person that browse its institute namely nonexistent or the link is wrong, guide an user to use a website at the same time other page and rather than shuts the window to leave.

Build 404 pages to must notice to accord with SEO requirement. A lot of websites are put in a problem, can what 404 pages return is 200 or 302 condition are piled up and not be 404 state code, this is very deadly. Search engine identifies the position of the webpage through HTTP state code. When should searching engine to acquire a wrong link, the website should return 404 state code, tell a search engine abandons the index that links to this. And if return 200 or 302 state code, search engine can be this link to build index, this brought about a large number of different links to point to identical webpage content. The result is, search engine to be reduced considerably to the degree of belief of this website. Accordingly, after building 404 pages, must check with SEO tool, returned state code is right. Notice not to want to change 404 mistakes to the website home page directly even at the same time, this brings about home page to be not collected likely.