Discover the best practices and the importance of referencing your visuals on Google Images.
Best practices for optimizing the Google referencing of your images. © Teerasan / stock.adobe.com
In 2001, Google launched Google Images, a service for grouping photos on the Internet related to a specific subject. The indexing of the images is carried out by a robot, which analyzes the visuals within a website based on numerous criteria. Most are related to the user experience, but also to the elements that surround the images.
Best practices for optimal image indexing
You should know that Google’s crawlers responsible for indexing images are unable to understand the elements that compose them. This is why the environment of an image, and in particular the text, will be of paramount importance in SEO. Several good practices can help you achieve this:
The name of the image
Giving a name that tells Google what the image represents helps boost natural referencing. This simple optimization increases the chances of appearing in suitable queries on the browser. Be careful not to use special characters or accents. It is advisable to separate separate terms with dashes.
The ALT attribute
Another important criterion to take into account: the ALT attribute or alternative text. Integrated into the beacon in an HTML document, this attribute is used to give a short and precise description of the image. This alt text replaces the image if it cannot be displayed. The ALT attribute is also very useful when Google’s crawler analyzes an image, it allows it to understand the theme and categorize it. The best is to write a short sentence using key words. It is not recommended to opt for a succession of keywords.
Contextualization of the image
To be well referenced, an image must be correctly placed on a web page and must be consistent with its content. When Google analyzes a page, it must understand the link between the different elements that make it up. The greater the consistency, the better the SEO of your images.
Titles and captions
Note first of all that the title of an image is different from the name. The title of an image corresponds to what is present in the optional attribute
Likewise, writing a legend is important. This text, which appears under an image, contributes to a better user experience and to contextualize the image in the content. Captions are also used to indicate licenses and copyrights.
The format, size and weight of the image
The preferred formats remain JPG, PNG and GIF, which are the most readable by browsers. The size and the weight, they contribute to the good display of a page, a non-negligible criterion in terms of web performance. It is therefore important to enter the height (height) and the width (width) directly in your CMS. Image size should ideally match display size, in order to reduce image weight and page load time.
The importance of good SEO
Optimizing these criteria improves your ranking in Google Images. This service, which is used by many Internet users for specific requests, plays an essential role in the visibility of your website, especially for e-commerce sites. An optimal referencing of your images will have repercussions in the action of purchase, the rate of engagement and conversion.
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