XPath is a query language for querying elements of an XML or HTML document. XPath queries are based on the declarative query language, i.e. to get the necessary data, you only need to correctly set a query that describes this data, and the rest will be done by the XPath interpreter.
Website loading speed is one of the ranking factors. Google prefers a loading speed of 1.5 to 3 seconds. If the page takes longer to load, more than half of users leave the site without waiting for the page to load.
The technical definition of LSI is latent semantic indexing. Simply put, these are words and phrases that are used to clarify the subject matter and relevance of primary keywords or topic words. These words help search algorithms understand where and how you used the keyword phrase on the page to make sure the title matches the content.
You should immediately check the robots.txt file (it may contain some important pages that are not indexed, or the site may be closed from indexing) and the sitemap (sitemap.xml, which should contain priority, changefreq, lastmod, loc), as well as view errors in Bing Webmaster and Google Search Console and download the errors.
What is the difference between On-Page “internal” SEO and Off-Page “external” SEO? Both methods are used to improve the ranking of a website page in search engines and increase relevant organic traffic.