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The web is a medium largely based on images and their use, whether for communication, marketing or simply to make a site more attractive.
However, it is also essential to think about setting up anchors html to optimise the presentation and referencing of the pages containing them.
One of the most important markers in this context is the ALT tag. Let's find out from our SEO Agency what it is and what it is used for, so that images are referenced in Google.
The ALT tag (from its English name, "alternative text") is a HTML command to associate a text alternative tag to a visual element, usually an image. This tag is written in the form :
<img src="image.jpg" alt="Description of the image" />
Where:
The ALT tag enables visually impaired people or those with image reading difficulties, such as screen reader users, to understand the meaning of a visual element without being able to see it directly. When the image is not available or cannot be displayed correctly, the browser displays the alternative text instead.
As well as making your web pages more accessible, the ALT tag is also a key factor in optimising your site's SEO. Search engines like Google analyse alternative texts to determine the subject and relevance of an image in relation to the content of the page.
So using relevant alternative texts can help to improve the position of your pages in search engine results and therefore boost their visibility.
An alt attribute should be short and concise enough to be easily understood, but detailed enough to give a clear idea of what the image represents. Ideally, it should describe in a few words, for example :
<img src="voiture-ancienne.jpg" alt="XYZ vintage car" />
There's no point in overloading your ALT attribute with keywords that have nothing to do with the image. Search engines like Google can detect this type of practice and penalise your site in their results.
If the image fulfils a specific function (link, button, icon, etc.), it is important to mention this object in the alternative text:
<img src="logo-site-web.png" alt="Logo du website Example.com" />
When the text content around the image already explicitly describes the image, it is not necessarily useful to repeat this information in the alt attribute. In this case, you can choose to leave the alt attribute empty:
<img src="equipe.jpg" alt="" /> <figcaption>The entire Example.com team</figcaption>
In conclusion, the ALT tag is an essential element of a web strategy efficient.
It helps to optimise website accessibility and referencing, while making visual content easier to understand for all users.">Systematic and appropriate use "This HTML tag is therefore essential to ensure good positioning on search engines and a better experience for your visitors.
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