A list of pages on a website that search engines should index. Written in extensible markup language (XML), both humans and computers can understand a sitemap XML. In addition to page URLs, they include modification dates so search engines can tell whether or not a page has been crawled since it was updated. Sitemap XML- and robots.txt-related search engine optimization (SEO) tactics approach indexing from different sides of the same coin. Sitemap XML says “yes” while robots.txt says “no.”

Building and managing an opt in list for a website
Building and managing an opt in list for a website provides a seller direct access to a wide number of potential customers. Building and managing