When using an href tag and an “&” is present, an error will occur in the HTML stating that it is an “unknown entity section”.
This can be easily solved by replacing the “&” with an “&” everywhere we have it in the URL.
To verify that your HTML is correct, you can verify it using http://validator.w3.org/
P.S Errors in HTML hard your Search Engine Ranking (Your Google Position). Always check your HTML for errors.
When optimizing a Website to be more search-engine friendly, keywords are one of the most important factors to take into consideration. The right keywords or combination of keywords might bring along a large number of visitors to your page. On the other hand, the misuse of keywords can push search-engines away. We will start on explaining how to identify the right keywords to compete better against your competition. Once we have finished with keywords, we will properly explain how to best implement them into your website.
Please note that this is a shorter version of a full document explaining each topic in details. To view the full explanation, visit Selecting Keywords from AboutSEO Malta.