Alt term explained

Alt tags – a text description of the contents of the graphic. It is used to enhance user experience on site. Because some users disable the display of graphics, the Alt text appears instead of pictures, let them know about the description of the object or its contents. This information is also displayed when you hover the cursor over graphical elements.

To date, opinions on the necessity of prescribing the Alt tags were divided. According to some arguments, this allows to increase the level of ranking of images and to influence the position of pages in search results. The opposition claim that Alt tags do not affect these parameters and their use is only for description of graphical objects.

Anyway, many search engines index such content, which allows you to use to promote the web pages of additional optimization techniques in the form of prescription of key words allocated to the semantic core of the site.