After the update on June 5th, Baidu included 200 more pages, and Google also included more than 100 more pages. But something went wrong in the past few days. I found that the GOOGLE collection of the website was abnormal and was decreasing every day. I searched and found that there was no collection, keyword cheating, mass posting, etc. mentioned on the Internet. My server is very stable, and GOOGLE has it every day. Crawled hundreds of pages without any issues.
Later, after investigating various reasons, it was discovered that Baidu and Google have different algorithm systems, so this phenomenon is quite normal.
As long as your site's web pages have data in the search engine, you don't have to worry too much. The next thing you need to do is to carefully observe the changes in web page inclusion. If the number of web page inclusions has been declining during the unit observation time (such as one month) , then you need to pay attention.
There are generally five reasons for the decline in the number of web pages included:
First, the information content of your site is copied (such as collected, reproduced, etc.) from other people's sites.
Second, your site content is copied by other sites, and the weight of that site is greater than yours.
Third, the search engine is updating data, and the decrease in the number of inclusions is only temporary.
Fourth, the Robots.txt file in the root directory was maliciously tampered with, preventing search engine robots from indexing the site's web pages.
Fifth, remove dead links within the site and external dead links or links whose inclusion of external links is also decreasing. When external links decrease, they influence each other.
Tips for increasing the number of included web pages:
Spend some time and energy on writing original copy; search engines love unique content;
Publish web pages or update information promptly so that search engine spiders can visit your website frequently;
Properly plan the website structure and add auxiliary navigation (such as related articles, popular articles, previous article, next article, etc.) to prevent a web page from becoming an island of information.
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