Read about it
https://support.google.com/webmasters/answer/1663744?hl=en
<link rel="next" href="next_page_URL"> for the next article segment.
<link rel="prev" href="previous_page_url"> for the previous article segment.
If you break a single piece of content into multiple pages, you can help Google understand the ordering of those pages, and the fact that they are all parts of one longer article.
Plugin adds rel="next" and rel="prev" links in headers to indicate the relationship between component URLs. This markup provides a strong hint to Google that you would like us to treat these pages as a logical sequence, thus consolidating their linking properties and usually sending searchers to the first page.
Compatible with NopCommerce 4.00, 4.10.
Link to our site https://www.foxnetsoft.com/nopgooglepaginationtag.