A case sensitive program means that upper case and lower case characters are treated as different letters. When doing seo, most of the search engines are not case sensitive. They treat the upper case and lower case letters same. Some of them might be sensitive towards using the initial capitals. While using seo keywords for seo strategies it is very important to take care of this factor. It is better to write words in lower case for better seo techniques. This is because the search engines will be able to retrieve upper case from lower case but vice versa is not possible in some search engines.
When the search engine spider is matching a string of letters, it will ignore the case sensitive letters if that particular string is written in upper letter in your website. It will still count that keyword as most of the search engine spiders are not case sensitive anymore. However, it is better to do a proper research about the search engine in seo before using the keywords for that particular search engine. If you fail to do a proper seo, your keywords will be treated differently if the search engine where you have submitted your site is case sensitive.
The sem company should be aware of this aspect of search engines. The webmasters should write such phrases which make use of proper keywords and are not case sensitive. Also one should take care of this in the Meta tags as they are the first place where a web spider will probably find for the keywords. Make sure that you do not make your website name case sensitive. A good seo will never want to lose their potential customers due to such errors. If your domain is case sensitive than the search engines will fail to display your web pages if the users have not typed the keyword exactly.
Apart from Google SEO keywords, it is very important that your link is in lower case as most of the search engines treat upper case and lower case links differently. Many search engines sees links that fail to match up by case as different links with same content or copied content. This is not good for SEO optimization. The seo services should take care of this for better seo techniques. This seo planning will help you to get better page rankings. Although, the only thing that is important is to use consistent case through out the site, it is better to make all the links in lowercase to avoid any bad seo.
Most of the seo services will advise the webmaster to do write in lowercase. This is because most of the users type the keywords in lowercase rather than taking an effort to write in uppercase. The case sensitive issue was earlier very important with old browsers but not anymore. But it is always better to use lower case in the title tag.