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Image SEO, also known as image optimization, is all about optimizing your site’s photos so that they rank higher in Google Image Search and increase the overall visibility and optimization of a web page.

This entails a variety of tasks, including accurately identifying files, adding and optimizing alt text, lowering file sizes, and more, all of which will help Google better comprehend your site’s photos.

But, given Google’s improvement in AI and machine learning usage for picture recognition, is image SEO still necessary?


Even while their capacity to do so has grown dramatically in recent years, Google still can’t understand all types of images. It’s also crucial to recognize that image SEO isn’t solely about assisting search engines in comprehending what an image depicts.

One of the biggest causes of slow web pages is poorly optimized images, and making adjustments can significantly impact how quickly your site loads and your PageSpeed score.

However, improving alt tags is often the end of image SEO. And while this is undeniably an important component of the process, it is only one of several.

Importance of Optimizing Images on Website

It has been proved that visuals are crucial in connecting users to your items. Users are more likely to abandon your website if it takes more than 3 seconds to load, which will substantially increase your bounce rate and subsequently influence your conversions.

Why is image optimization important?

Image optimization improves page load speed, improves SEO rankings, and enhances user experience.

Optimizing Image HTML Attributes for Search Engines

In this article, we will go over all of the HTML properties that are relevant to image SEO, such as:

Image Name

One of the most significant aspects of image SEO is the name of your image file.

Alt Text Attribute

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Google robots will be able to interpret the content of your images thanks to the alternative text attribute.

Title Text Attribute

The title text attribute is less relevant than the filename and alternative text attributes for SEO. When you scroll over an image, the title text attribute improves the user experience.

Figcaption Tag

The figcaption tag is frequently used to provide more information about an image.

Understanding Image Tags And Attributes

Image Name

How to Name Images for SEO?

Let’s begin with the most obvious and straightforward: the image’s name. Search engine optimization is all about assisting search engine robots and crawlers in comprehending your material and how your visitors interact with it. That should be reflected in the name of your image.

  • Keep It Short

Keep image names to five words or less. If the length of your image name exceeds 6-7 words, you’re probably keyword stuffing. 

  • Separate Words with Hyphens

Make sure to separate terms in image names with hyphens. This makes it easier for search engines to comprehend and understand image names.

  • Avoid Keywords Stuffing 

If you’ve done any SEO work in the last ten years, you should be familiar with this one. Google despises keyword stuffing and has often released tools to combat the practice, claiming that it can hurt your site’s rankings.

Alt Text Attribute

How To Write Image Alternative Texts for SEO?

Describe the image’s content without being editorial. Usually, a few words will suffice, but a full sentence will be required in some cases. Keep in mind that screen readers may stop reading alt text after 125 characters, so keep it short.

If you can use a top term or two to describe an image, that’s fantastic. This will help your SEO efforts.

ALT tag examples

  1. a photo of a cake
  2. business school professor pointing teaching class
  3. an empty stadium

Why is Image Alt Text Important?

  • To aid accessibility for non-visual readers
  • To strengthen your SEO
  • To explain images that fail to load

Title Text Attribute

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What is Title Text?

The image title text attribute is a text attribute that gives further information about the image. This feature, however, is not as crucial as the ALT text.

When to use Title text?

This text isn’t as helpful to search engines as it is to your users. If customers come across a picture or photo on your website that requires more explanation, they may simply hover over it and see the description appear.

The title text is frequently more descriptive than the ALT text, and it describes what is initially unclear. Unlike search engines, users can comprehend the visual. So, unless it’s absolutely necessary, don’t utilize Title text.

Figcaption Tag

The SEO Power of Image Figcaption

The most underappreciated SEO and marketing weapons are definitely figure and figcaption. Users pay 60% more attention to figcaption words than to the prose surrounding the images. That’s completely ridiculous.

Are figure and figcaption important for SEO?

The material that surrounds your photos is more likely to be associated with it for Search Engines. As a result, it’s critical to include the keywords you’re after in the figcaption or shortly before or after the photos.

People certainly pay more attention to the caption. You must use this opportunity to highlight your keywords, call to action, or finest selling reasons. It could also be a sense of humor.

Image Optimization: Tips To Know

Images are the most valuable resource for improving user experience since they make your page more informative and appealing.

On the other hand, images may be your worst nightmare because they lengthen the time it takes for your page to load. They can potentially ruin your website’s look or send the incorrect message.

It suggests you shouldn’t use photos excessively. It also implies that you must be extremely selective in your image selection.

In this chapter, we will learn how to optimize images for better SEO.

Images Have To Be Unique And Original

Original and fresh information appeals to customers. They are more inclined to leave a web page containing information or a product that they have seen elsewhere.

But, when a person lands on a page, what are the first items that catch their attention? It’s the main image. 

It implies that the first image on your page must be eye-catching and unique. This is critical and can reduce your page’s bounce rate dramatically.

Google, like the rest of the world, dislikes bogus or duplicate material.

Unique images are more likely to appear higher in search results, which is exactly where you want them to be, right?

This is why you need online editing software to help you create a unique image that you can remove background from image free, add design, texts, and colors and change the filter. 

Optimize Images Loading Times

The importance of site speed has never been greater. If you’ve read this far, you’re aware that page loading time has a significant impact on your SERP ranking position. In addition, because of their size, images can negatively impact your SEO if you don’t optimize them.

Long loading times are also detrimental to the user experience. This could have serious effects, such as lowering your bounce rate, resulting in unfavorable reviews, lowering your conversion, and so on.

Use Responsive Images

Going responsive is the most effective approach to ensure that your website appears great on any device, regardless of screen size, and that all users view the same information. One aspect of this is the use of responsive images.

When you upload an image to your website, use the HTML code srcset to make it responsive. This instructs browsers to automatically select the image file size that is most appropriate for the screen size the user is using and load it. It’s a really useful tool that takes care of responsive sizing for you, so you don’t have to.

Lazy Load Your Images

Images on websites are loaded asynchronously, after the above-the-fold material is fully loaded, or even conditionally, only when they show in the browser’s viewport. This implies that photos near the bottom of the page will not be loaded unless visitors scroll all the way down.

But be careful: you don’t want to lazy load all of your images. Only the ones that aren’t life or death. WP-Rocket is a great speed optimization plugin that can help you install lazy loading on pictures if you’re using WordPress.

Image Compression

We have image compression, which is extremely important for image optimization. Image compression comes in a variety of styles and intensities. Depending on which image compression program you use, the parameters for each will be different.

Most image editing programs, such as Adobe Photoshop, GIMP, Affinity Photo, and others, include image compression built-in. We can use these two ways on WPBeginner, allowing you to compress photos before uploading them to WordPress. However, they are a little laborious.

Index Your Content With Images Sitemaps

Images from your site must be included in the Google index in order to appear in the SERP. A sitemap is an XML file that contains information about your site’s pages, videos, and photos, as well as their relationships. It aids in the crawling of your website by search engines.

You shouldn’t require sitemaps if your internal linking is optimized and your site is modest. However, when your sites grow in size, crawlers may lose track of your material and skip parts of it. That is why sitemaps and image sitemaps are vital for SEO: they ensure that Google indexes all of your material.

Image Optimization Improves SEO

It’s critical to optimize the image itself once you’ve made it easy for Google’s algorithms to process it. When optimizing your image, keep quality, size, and load time in mind.

Consider image alt tags and image optimization when structuring images for Google’s algorithms. Crawlers and viewers will better comprehend your visual material if you include descriptive text in images. By selecting the best format and file type for your images, you can ensure that they are of sufficient quality for your needs while loading as rapidly as possible for your viewers.


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