Busting and Demystifying list of never-die SEO Myths, one at a time.
Too Many Links Pointing from One Domain
If these links are not purchased or done in manipulative manner, then you should not be worried about getting penalized by Google. Otherwise, contact the person in charge and request them to remove those links. Creating a fantastic site with great user experience containing valuable content that send people flocking to your site frequently protects you against competitors or bad people who tries rank you down by linking your site to spam or illegal sites.
Footer Links Negatively Affects Site
If footer is stuffed with many links containing same anchor text, you seem to be manipulating search results and indirectly asking for penalty. Structure your footer by placing links which are useful for human visitors instead optimizing for search robots.
URLs without Keywords Ranks Poorly
URLs that contains numeric such as example.com/123 or example.com/?p=123 also ranks well as with phrases such as example.com/busting-seo-myths The difference between these 2 are how friendly towards human. From the phrase URL, you can tell the overall content of that page without visiting the link. You don’t necessarily have to rewrite all numeric URLs but it pays off.
Keyword Density Equal High Rankings
You should not be worried about how many times a keyword is repeated in an article but focus on how natural towards human listeners, like how you speak to someone. Having a fixed value of 0.7% , 7% , 77% or any percentage will not do any good. There are people who exploited this myth by selling Keyword Density Analyzer Tools to reap profit from the masses. Don’t buy them as its a waste of money.