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Top Tips on Optimising Images For Better SEO

Optimise images for improved SEOs

It is prevalent for website developers to resort stock photos when they need to make their web pages more attractive. Still, such acts can often be disastrous from the point of search engine optimisation. Images play an essential part in content delivery and according to reports; over 20% of all searches in America are on Google Images. Even though optimising images may not be high on the list of priorities of SEO professionals.

It can be well worth the time is taken and a valuable SEO asset that can often yield results very quickly and can be put to good use. Some crucial tips on optimising images:

Choose the correct image file format

There are so many file formats of images that it can be quite easy to get confused; however, it is vital to make sure that you are using the right format for the best impact on SEO. The two most common image formats for use on websites are JPEG and PNG. However, both have some pros and cons.

PNG images are generally of better quality. However, the file size can be larger while by using JPEG images, you may have to compromise somewhat on the quality but gain on the file size. It may be better to use PNG for all typical uses of images while reserving JPEG when you need to use bigger images.

Compress the images

Bloated web pages can be the bane of good SEO because they have a longer loading time. This increases the bounce rate, which sends negative signals to search engines. Since images can make up as much as 21% of the total weight of the webpage, it is important to compress the photos as much as possible without losing too much quality. There are a large number of online tools that can be used to compress images if you do not want to use conventional image editing software like Photoshop.

If you are using a WordPress site, you can use one of the many plugins available to do the job efficiently. It can take a little experimentation to know which tool works the best for you; using Google’s Page Speed Insights tool can be very useful in improving the speed of loading of web pages, according to https://www.inc.com.

Use unique and original images

Since the primary purpose of using images on the web pages is to make them attractive to users, you will need to use images that appeal and entice users. According to the top Manhattan Marketing Firm, if you use stock images that users have seen many times earlier, it will send out a signal to users that the contents of the page are also not likely to be original and useful.

This means that even if you have optimised the stock images, the very sight of the familiar pictures may well turn off visitors who are seeking fresh and original content. When you use images that are original and are of outstanding quality, they spark off user interest which makes them stay on the page longer and assists in conversions.

Ensure no copyright conflict

Irrespective of the image file format and the size of the images that you want to use on your website, it is vital that you use only the photos that you have the permission to use. Using either stock photos or photos belonging to others without permission can land you into severe problems as many organisations have found out to their dismay after having been sued for millions for copyright infringement.

Not only can the owners of the photos report you for copyright infringement that can result in an expensive lawsuit but also issue a notice for DMCA Takedown that must be immediately complied with or face legal ramifications. If you are using images from any third-party website, you need to check if they are free to use or comply with their licensing conditions.

Make the Image File Names Search Engine Friendly You can give your SEO a big boost by ensuring you rename the files with names that are descriptive and rich in keywords so that search engine bots can understand what the images are about and require you to provide additional context.

If you use a lot of images on your website, renaming them with accurate and contextual file names with relevant keywords can be a tiresome job, however, if you do it diligently, the rewards in terms of improved SEO can be awesome.

Write meaningful and search engine-friendly alt text

Even after you have provided relevant file names to images, you should round up the exercise by providing alt tags that search engines can decipher. Alt Text is generally not visible to users unless the image fails to load on the webpage for any reason in which case, it can be seen. However, these tags are always visible to search engine bots, and when you write them in simple English, it helps the search engines to figure out what the images mean and how they are relevant to the rest of the contents on the page.

Even though the purpose of the alt tags is to provide information about the images when the images themselves may not be visible, they prove to be very handy for search engines when appropriately optimised for SEO.

Ensure the images are mobile-friendly

With mobile and other portable devices accounting for an increasing volume of traffic, it is essential for SEO that the content of the web pages is mobile-friendly. This includes both the text and the images. If the images do not display correctly on mobile phones, the appeal of the contents will get reduced, and this can reflect in less time being spent on the website and higher bounce rates.

By ensuring that you adopt a responsive web design, you can ensure that the images, as well as the text, display correctly on the smaller screens thus helping the users to fulfil their search intent better.


It is imperative to appreciate the vital role of images to make web pages more appealing and promoting conversions. This makes it necessary for website developers and content managers to ensure that the images are optimised to the best possible extent by choosing the right file format, providing the least apparent size without compromising quality, selecting images that are fresh and original as well as attending to other on-page SEO elements to boost page rankings.

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Recommended reading

If you have time to spare why not dive deeper down the rabbit hole and check out these posts for help on SEO:

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