The first basic truth you would like to grasp to find out SEO is that search engines don’t seem to be humans. whereas this could be obvious for everyone, the variations between however humans and search engines read sites are not. not like humans, search engines are text-driven. though technology advances apace, search engines ar faraway from intelligent creatures which will feel the wonder of a cool style or fancy the sounds and movement in movies. Instead, search engines crawl the online, observing explicit website} things (mainly text) to urge an inspiration what a site is regarding. This transient clarification isn’t the foremost precise as a result of as we are going to see next, search engines perform many activities so as to deliver search results – creep, indexing, processing, conniving connection, and retrieving.
First, search engines crawl the online to visualize what’s there. This task is performed by a bit of code, referred to as a crawler or a spider (or Googlebot, as is that the case with Google). Spiders follow links from one page to a different and index everything they realize on their method. Having in mind the amount of pages on the online (over twenty billion), it’s not possible for a spider to go to a website daily simply to visualize if a brand new page has appeared or if Associate in Nursing existing page has been changed, typically crawlers might not find yourself visiting your website for a month or two.
What you’ll do is to envision what a crawler sees from your website. As already mentioned, crawlers don’t seem to be humans and that they don’t see pictures, Flash movies, JavaScript, frames, password-protected pages and directories, thus if you’ve got a lot of these on your website, you’d higher run the Spider machine below to visualize if these goodies ar visible by the spider. If they’re not visible , they’ll not be spidered, not indexed, not processed, etc. – during a word they’ll be non-existent for search engines.
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