A brief talk about page weight delivery Guide

Now the search engine outside the chain of control is more and more stringent, Google and Baidu have updated the algorithm, the external chain, especially outside the chain to increase the impact of the attack, has been the chain of the emperor's argument also need to weigh, but in fact, the outside chain is still very important, especially the quality of the chain to bring the effect is very strong , and the chain is still to be done, but for the requirements of the control is not as casual as the original.

Well, the problem with the chain is something, and so on, here or talk about the weight of the page on the issue bar, outside the chain difficult to do, original difficult to write, so for the weight of the station control that is to seriously cherish, how to control the existing weight of the site, so that they point to the needs of the place? It's a personal opinion to say this today, For reference only, reprint please indicate the source http://yy.haitianhome.com, thank you.

At present, it is more accepted by everyone, is also the use of methods compared to the public is the use of robots.txt and nofollow, specific details and use, we are OK to their own Baidu, specifically said how to use them, to effectively guide the link weight of the page. Personal feeling:

Nofollow can prevent the transfer of weight/crawl from this page, but can not block the collection

robots.txt can block the collection, but cannot prevent the transfer of weights

So in general, you can use the two methods together to control the weight of the link on a page guide, but because the search engine did not clearly show that the nofollow dropped the weight of the link, there is no distribution to other links, so that use of nofollow to save weight is not necessarily effective, Using nofollow is more useful as a guide.

Ps:google (unofficial) has shown that the weight of nofollow has not been saved, just lost, Baidu has passed, nofollow down the weight is assigned to other links.

Here said the guide is to guide the spider, tell the Force limited spiders, which pages that focus crawl, which pages are not important, so that you can make the weight of the site, assigned to your site's limited power spiders, in a limited time to crawl the number of pages and page quality. So now a lot of large forums, such as NetEase, because the page update frequency is high, in order to be able to guide spiders mainly to crawl high-quality pages, rather than just update the post, so the new posts have been added nofollow.

Of course, if your website update quantity is not so big, that still don't give new placard add nofollow, add the website to collect is the key.

So since nofollow can not effectively control the weight, is there any other way? Here are two suggestions:

JS Output

Because at present, search engine on the possibility of JS crawl is still relatively small, so use JS to wait for the Web page after loading completed, the chain or do not want to waste the weight of the link output.

iframe output +robots.txt shielding

This is used for a collection of links, a separate page for the chain or a collection of links that don't want to waste weights, and then use IFRAME to invoke this page where needed. Then use the robots.txt mask to crawl the Link collection page.

The above two methods are for the control of the link weight of small methods, whether the effective hope that friends to communicate together. Welcome everyone to the original address http://yy.haitianhome.com/web/sem/seo/220.html and I exchange, thank you.