The <meta name="keywords"> tag was originally used by search engines as a way to understand the main topics of a web page and to help index it accordingly. However, search engines have evolved over time and now use more sophisticated algorithms to determine the content and relevance of a web page.
Despite this, some websites may still include the <meta name="keywords"> tag as a way to provide additional information about their content to search engines. While search engines no longer rely heavily on this tag for indexing purposes, it may still provide some benefit in certain situations.
For example, including relevant keywords in this tag may still help search engines understand the overall theme of a web page and may also help with ranking for long-tail keyword phrases. Additionally, some smaller or niche search engines may still rely on the <meta name="keywords"> tag for indexing and ranking purposes.
Overall, while the <meta name="keywords"> tag is no longer as important as it once was, some websites may still use it as part of their overall SEO strategy.