How to Optimize Your Images for Better SEO Rankings

Images are an important part of any website or blog. Not only do they help break up text and make your content more visually appealing, but they can also help optimize or improve your SEO rankings.

Unfortunately, many people don’t take the time to optimize their images for SEO and as a result, they’re missing out on valuable traffic from image searches.

In this article, we’ll show you how to optimize your images for better SEO rankings.

1. Choose the Right File Format

The first step in optimizing your images for SEO is to choose the right file format. The most common file formats for images are JPG, PNG, and GIF.

JPEG (Joint Photographic Experts Group) is the most popular file format for images. JPEGs are great for photos and images with lots of colors. They’re also relatively small in size, which is ideal for web use.

PNG (Portable Network Graphics) is another popular file format. PNGs are best for images with few colors, like line drawings, logos, or illustrations. They’re also good for images that need to be transparent.

GIF (Graphics Interchange Format) is the third most common file format for images. GIFs are best used for short animations or simple graphics with limited colors.

2. Use Relevant Keywords

When you save your image file, be sure to include relevant keywords in the file name. This will help your image show up in search results for those keywords.

For example, if you have an image of a yellow Labrador retriever, you might save the file as “yellow-labrador-retriever.jpg”.

3. Optimize Your Alt Text

The alt text is the text that appears in place of an image if the image can’t be displayed. The alt text is also what search engines use to index images.

Be sure to include relevant keywords in your alt text so your images can be easily found by people searching for those keywords.

4. Make Sure Your Images are Web-Friendly

Images that are too large or too small can slow down your website and hurt your SEO rankings. Be sure to resize your images before uploading them to your website.

As a general rule, images should be no larger than 100kb.

5. Use a CDN

A content delivery network (CDN) is a system of distributed servers that deliver web content to users based on their geographic location.

Using a CDN can help improve your SEO rankings by reducing the latency of your images. Latency is the time it takes for an image to load when someone tries to view it.

6. Compress Your Images

Image compression is the process of reducing the file size of an image without reducing its quality. This can help improve your website’s speed and reduce your bandwidth usage.

There are many free image compression tools available online, such as TinyPNG and JPEGmini.

7. Use Image Sitemaps

An image sitemap is an XML file that contains information about the images on your website. Search engines use this file to find and index images.

Image sitemaps can help improve your image SEO by making sure all of your images are properly indexed. You can create an image sitemap using a free online tool like XML-Sitemaps.

8. Optimize Your Site’s Speed

The speed of your website is a ranking factor for both search engines and users. If your site is slow, you’re likely to lose visitors and see a drop in your SEO rankings.

There are many ways to improve the speed of your website, but one of the best is to optimize your images. As we’ve seen, image optimization can help reduce the file size of your images and improve your website’s speed.


Images are an important part of your website and can help improve your SEO rankings. Be sure to use the right file format, include relevant keywords, optimize your alt text, and make sure your images are web-friendly. You can also use a CDN, compress your images, and use image sitemaps to improve your image SEO. Finally, don’t forget to optimize your site’s speed. All of these factors will help ensure that your images are properly indexed by search engines and that your website is fast and user-friendly.