5 Most Important Techniques for Image Optimization in SEO

Image optimization is an important aspect of overall SEO techniques. Images play an important role to improve your content quality and attract more users to your blog/website. While images play such crucial role in your overall SEO strategies, it becomes important to optimize your images for better results. To do this, we have discussed some important techniques for image optimization for SEO here.

Save Image with Related Keywords/Description

This is the first step in process of image optimization for SEO. If you save an image of a superbike with a supercar, it will confuse everything when you upload it to one of your articles for “The best 5 superbikes in the world”. Here, it will confuse search engines about the subject matter of the image and even you. Once you save an image to your system, it usually mentions a name like “IMG_256897” or something similar. To tweak this, you should edit it with relevant keyword and description. To do this, you should use short, accurate and keyword-infused description to your image for better results.

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Image Description

Next, to Alt tags, you will find an option to mention description for your image. Here, you are supposed to mention short description for your image that you have uploaded. For example, if you are uploading an image for one of your articles “The best places to visit in Europe” then the image should be related to it, mentioning related keywords and description to Europe places. Remember, this is another important aspect of image optimization thus you should be choosing right description to get better results. In general, image description may vary from few words to single line.

Alt Tag

This is one of the most important techniques in image optimization for SEO. Here, Alt stands for Alternate. You need to mention Alt tag with each image you upload in your content. Whatever you mention in Alt tag will be visible to users when the image couldn’t upload or it takes longer to upload.

Source: pinterest

While mentioning Alt tag, you should be careful to mention it. Here, you can give an Alt tag related to that image or keyword related to it. For example, if you are uploading an image of the supercar for one of your articles then you should use supercar as an alt tag for your image. It will help search engines identify your image and it will be visible for related searches on Google or any other search engine. This simple trick will also attract additional traffic to your site as people who are searching for related images will be directed to your site.

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Eliminate & Replace Image Resource

Use this another image optimization technique for SEO to get instant and effective results. Here, you need to eliminate unnecessary image resources to optimize your image for search engines. To do this, you can eliminate image resources related to HTML, JavaScript and other unnecessary assets. It will help you compress a large number of bytes to optimize your image. Once you eliminate this unnecessary resource, your image will be lightweight and it will upload quickly.

Next step is to leverage CSS3 effects where possible. To do this, you can leverage CSS effects and CSS animations to produce resolution-independent assets. These images will look sharp at every resolution and zoom level. It will consume a fraction of a byte to save. Further, you can also use Web fonts instead of encoding text in images for better results. Here, you can also use best image editor tools to edit your images for desired results.

Select Right Image Format

Next technique for image optimization is to select the right image format for your content. Here, you can begin with selecting the right universal format from PNG, JPEG or GIF. To select right format, you need to experiment and select the best settings for each format including quality, palette size etc. In addition to these universal formats, you can also try newer formats like WebP and JPEG XR that offers better overall compression and other features. Here, you can select GIF, if you are looking for animation. PNG should be a good choice if you need to preserve fine details of the image with the highest resolution. Next, you can use JPEG to optimize your photos, screenshot or similar image property.

Source: pctechmag


Following some simple yet effective image optimization techniques, you can boost your SEO performance significantly. We have discussed few important image optimization techniques in this article. If you know more such steps feel free to comment below.


Metadata: Image optimization play a crucial role in overall SEO strategies and offers you improved results in no time. To help you with this, we have discussed 5 most important techniques you should follow to optimize your images for SEO.

Image Source: Onaircode.com