Why your search engine ranking dropped

[Luqman]

Hello Guys,

The better you understand the reason why your rankings dropped in search engines, the better you can prevent your website from future ranking drops.
The following are some of the major reasons for ranking drop in search enginess:


When you have technical problems on your website
When something change on your website
When some links to your website change
When there is change in search engines algorithm
When there is spam elements on your web pages
When the websites of your competitors change


If you know of any other reason, please post it here.
Thanks