The robots.txt file is useful in keeping your spiders from accessing parts folders and files in your hosting directory that are absolutely different to your absolute web website content. Also, This gives you a little more control over the robots.

The keywords meta tag should be under 800 characters. Use commas of spaces between each keyword. keywords are separated with comma, do not repeat a phrase more than 3 times. Also, Meta tag information used to be a powerful tool for webmasters to easily achieve higher rankings for their websites.

Keyword density is the number of times a work or phrase appears on a web page in comparison with the total number of words on that page. keyword density is very important but not to exceed a certain number of your page theme keywords in the body of your content.

The title tag should be present, relevant and optimized for every single page on your website. Keep the most important keyword for the web page front and center. Also, You should always use short and readable title for your web-page.

Social media is a very valuable tool for any online business and SEO companies can utilize it for you in a way that will increase you site's SEO much quicker that you could. These are all very simple ways to increase your visibility and expose your content to the world, but they are often overlooked.