External links are a necessity for us to do SEO, because external links can convey weight, and weight is the basis for search engine rankings. However, a question always bothers us: we work hard every day to post external links everywhere, such as major webmaster forums. We spend a lot of effort and post a lot of posts, but why do the number of external links fluctuate up and down? Are there fewer and fewer? (The following is explained with Baidu as the target. As a domestic search engine giant, as long as it is not engaged in foreign trade, most websites are optimized for Baidu)
Some people may say that the places that send external links are not well included. Therefore, this requires us to check the necessary information of the website when choosing a site to send external links, such as PR value, Baidu's inclusion status on the day, etc. wait.
The PR value corresponds to Google. In theory, Baidu does not need it, because different search engines will have different weight evaluation standards, which resulted in what we now call Baidu weight, which is BR. However, the fact is that sites with good PR values, such as A5, chinaz, 28 push, etc., also have a good weight in Baidu (Baidu's weight evaluation criteria are different from Google's, which will be explained in a separate article). Therefore, PR can be used as a Reference to measure the quality of a website on Baidu.
Let’s talk about Baidu’s inclusion on that day. Although the PR value can be used as a reference, it is not absolute. Some sites have very high PR values, but their performance on Baidu is mediocre. This is because Baidu didn’t include them well that day.
What is high and what is not high? For example, two websites have 10,000 article updates per day (the article quality is the same). One has included 10%, while the other has included all. It is clear at a glance which one is higher and which is lower.
What does this have to do with us sending external links? Just imagine, if the place where we send external links is not well indexed, how can the external links we send be included in Baidu and participate in the ranking process of the website?
Okay, I have paid attention to the above, and selected some sites with high PR value and Baidu included that day to send external links. However, the situation of the number of external links fluctuating high and low or even getting smaller and smaller has not changed. This is the second case:
When posting external links, forums are our first choice, and the most commonly used forum signature is because the forum is very popular and the post exposure rate is also high, which is conducive to promotion. In the forum, we have two ways to post external links: posting and replying.
Reply: Reply to someone else’s post to express your evaluation of the post. If the post is deleted from Baidu, your reply will no longer exist and there will be no external links.
Posting: Posting articles you have written or reprinted articles to share with netizens. If it is written by yourself, it is the best, because it is original, and search engines will also be happy to include it. However, if it is a reprinted article, you need to think about it. We all know that what search engines hate most are highly repetitive articles. But the reality is that we not only reprint articles, but also reprint them without restraint. Sometimes you can see at least seven or eight almost identical articles in the same forum, with the difference being that the signature and link are changed. Such articles are called fake Original (in fact, it is more accurate to call it plagiarism). Even if such posts are included by Baidu at the time, they will be deleted by Baidu after a period of time, because high-weight sites also have the problem of increase or decrease in inclusion, which is normal.
The above are the main reasons why the number of external links we send fluctuates up and down or even becomes less and less (of course, there are also other factors, such as not all posts can be replied to at will when replying to posts. This will be discussed in future articles. explain). What the author wants to say is that while complaining about the instability of external links, we should reflect on what we have done and what we should not do.
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