Hard drive problems really need a whole article to themselves, but for the purposes of this article, there are a few warning signs you should be aware of.When a hard drive is nearing the end of its life, Windows starts to report disk readability or writeabilty issues, or the SMART hard disk diagnostics system warns of an impending crash and recommends you promptly save and transfer your data to a safe place.One of these subcategories that we haven’t yet touched on is data backup and the part it plays in keeping valuable data safe.Here, we are making up for this omission by reviewing the different approaches to data backup and how they work.Experienced users know of potential problem indicators, but for everyone else, here’s some advice: the older your system is, the more chance there is of it failing because of lack of proper servicing or care.
You should not have too much external links on your website.
Those links are very important, because search engines and the users are reaching those links.
You can create links by adding rel="nofollow" tag, which is not searched by search engines. You also should add nofollow tag to the links, you think it doesn't need it.
Other wise this will affects your website negatively.
It's very important to use pictures on your website to bring up the main concepts of your website. Search engines understand the pictures by their alt tags.