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In this article, we will look at what SEO does for images, how to optimize images on a website, and which methods are the most effective. At the end of the article there is also a checklist for easy image optimization.
Optimizing your images for search engines can significantly increase traffic to your website. It also increases the likelihood that your image will appear prominently in search results, such as Google's OneBox, a special field in search results that includes data relevant to the query. In addition, the right choice of images helps create an attractive and modern website design.
Research shows that at least 3% of all clicks come from images, making them an important element in search results. Images are more visible and drive clicks more effectively than text or links.
Searching for images on a website is important not only for increasing rankings in search results, but also for other purposes:
After performing internal and external site optimization, images are more likely to be displayed in search results. Pages with good rankings transfer their value to images, improving their search rankings.
Before optimizing, it is important to choose the right images. The main mistake is using images that do not correspond to the content of the page. Also, do not use images from stock photos that have already been used on other sites. It's best to use unique images whenever possible.
In markup, it is important to add correct descriptions to images using attributes alt And title. Attribute alt contains text that is displayed if the image does not load, and title — text that appears when you hover over the image. These tags help search engines associate an image with keywords, improving relevance.
In addition to tags, it is important that the image file name is clear and descriptive. Unclear file names such as 0384ds.zhpg, do not provide any information for search engines.
The proximity of image and text content plays an important role in relevance. The closer the image is to related keywords, the better. In -markup, the image must be placed next to the text it relates to.
Image captions are useful not only for users, but also for search engines. They create an additional connection between the image and keywords, which can improve the visibility of the image in search results.
It is recommended to use images with common aspect ratios such as 4:3 and 16:9. This improves the display of images on different devices and in different contexts.
It is important to avoid duplicating images on the site. For example, you should not use thumbnails that only enlarge when clicked. If there is duplicate content, it can be excluded from indexing using the robots.txt file.
Use popular image formats such as .jpg, .gif, .png or .webp. These formats are supported by all major browsers and platforms.
Google indexes images at a certain minimum size, usually 80x60 pixels. However, it is important that the images are not too large, as this can slow down the loading time of the site. For optimization, you can select the correct file format and image compression level.
Caching and compressing images helps reduce loading time. Caching allows browsers to save images for reuse, and compression reduces their size without losing quality, making the page load faster.
If your site uses a large number of images, it is recommended to include them in the XML sitemap. This will help search engines index images faster and take them into account in search results.
Search engines crawl images less often than text pages. Therefore, image updates may take several months to appear in the index.
Make sure that your site pages are allowed to be indexed and that images are not blocked in the robots.txt file. It is also important to correctly indicate the link to the image in the attribute srk tag img.
If you have questions or need help with SEO optimization, write to the SEO studio "SEO COMPUTER" at info@seo.computer.
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