You should definitely Have a very thoroughly clean robots.txt file so search engines like yahoo understand what to have a look at. Use XML sitemaps to tell them about all of your essential webpages. Look for mistakes like Meta Tags that say NOINDEX or wrong instructions from the robots.txt file https://avoid-these-common-seo-mi35780.vblogetin.com/33840447/little-known-facts-about-avoid-these-common-seo-pitfalls