Other affiliations of linking site with the linked site (do they share an IP? have a common postal address on the “contact us” page?
• Technical matters like use of 301 to redirect moved pages, showing a 404 server header rather than a 200 server header for pages that don’t exist, proper use of robots.txt • Hosting uptime • Whether the site serves different content to different categories of users (cloaking) • Broken outgoing links not rectified promptly • Unsafe or illegal content • Quality of HTML coding, presence of coding errors • Actual click through rates observed by the search engines for listings displayed on their SERPs • Hand ranking by humans of the most frequently accessed SERPs How long does it take to get results? Normally a search engine optimization and submission effort needs up to six months to show full results. If you are in a particularly competitive field, it may take longer to achieve good results. This is because some search engines add new listings very slowly and because search engines tend to favor already established websites. However, within one year you will certainly get targeted traff
