An ALT tag is added to a webpage to describe elements that may not be visible under certain circumstances. This often involves extra text that is provided with an image, for example. This alternative text becomes visible as soon as the image cannot be displayed. This way, the text will always remain easily readable, even when crucial parts cannot be displayed properly. An ALT tag can be added to all sites since the advent of HTML 2. It is not only a tool for the visitor, but it can also have an effect on the SEO score of a webpage. But what exactly is an ALT tag? How do you add it? And what are the benefits of using this alternative text for the SEO?
A web page typically contains various types of components. The most important content are the texts and images. After all, these provide the information (or support for the information) for the reader. However, if the reader has a visual impairment or if the media cannot be uploaded properly, this can lead them to go to another website. To prevent this, an ALT tag can be added to the web page. This can be done using a tag within the HTML An alternative text can be created to describe the whole. This makes the media not necessary to understand the story. This description is only visible by hovering the mouse over the image. In some cases, the ALT tag can also be played audibly. This makes it easier to understand for people with a visual impairment.
The ALT tag is not only used to make it easier for the reader. It is also used to improve the SEO value of the web page. By describing images in words, it can Search algorithm Google can read information better and use it to determine the site's ranking. The disadvantage of many images is that they cannot be read by web crawlers. As a result, a very important image adds little to the SEO value of the site. Especially when the subtitle is not descriptive enough either.
In addition, the images do not always work optimally. When they have a very important supporting function for understanding the text, this will also lead people to click away to another website. Google also sees this. And if this happens too often, it will have consequences for the ranking of the web page. Thanks to an ALT tag, you prevent this and offer the reader a better experience. Even when the content does not cooperate.
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