Understand What PR Is
PR is one of the more than 200 factors in Google's ranking algorithm, and its importance has declined significantly.
Of course, PR remains one of the important factors in Google's ranking algorithm. Besides directly affecting rankings, the importance of PR is also reflected in the following aspects:
(1) Website indexing depth and total number of pages. The crawling time of search engine spiders and the space in the database are both limited. For medium - sized and large - sized websites, the PR value of the homepage is one of the important factors driving website indexing.
(2) Update frequency. The higher the PR value of a website, the more frequently search engine spiders will visit. When a new page appears on the website or the content of an old page is updated, it can be quickly indexed.
(3) Duplicate content determination. When Google discovers exactly the same content on different websites, it will select one as the original and the others as reprints or plagiarisms.
(4) Selection of the initial subset for ranking. The selection of the initial subset is obviously not related to keyword relevance. Instead, it can only start from the importance of the page, and the PR value is an importance indicator that has nothing to do with keywords.
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