Blog post on History and Evolution of SEO Search Engine Optimization This method is used to optimize a webpage, at the time of this optimization your webpage will process  and get an outstanding organic traffic from the Google search engine Results. To understand more about the  webpage it will scan or crawl. It is mainly used in digital marketing area where the  business can easily get developed by this SEO  technique. SEO checks the keywords and it ranked easily and produces in the moment recommendation. So that the marketers can  understand trends in this area and they can modify their page using this ranking by the SEO. WEB CRAWLING Web crawlers used to scan its programs like a robot. Google crawl the webpage and scan its data's and takes a snapshot (cache) then keep this and save it in related databases (like libraries).   Example: spider, bots, Google bots, robots etc. GOOGLE CACHE Cache is storage like thing in...