Many webmasters and inexperienced or unethical SEOs, scammers and professional spamindexers

, abuse the use of this attribute, trying to stuff it with keywords, hoping to achieve a certain keyword density, which is not as relevant for rankings now as it once was.
On the contrary, high keyword density can, on some search engines, trigger spam filters, which may result in a penalty for your site’s ranking. Even without such a penalty, your site’s rankings will not benefit from this tactic.
Do you use the alt attribute with care? If you are not sure how to, just read the tutorial I recently published
Alt Attribute & Search Engine Optimization on my site.
You comments would be very appreciated!
Enjoy!