How To Improve The Loading Speed Of Gallery Images In WordPress

Kariuki Maina
By Kariuki Maina 7 Min Read

An typical website weighs a significant portion of images, which has a significant impact on loading times. There are a few techniques to guarantee that your gallery photos are optimized and that your website users are satisfied if you want to enhance your image gallery loading times.

Benefits Of Fast-Loading WordPress Image Galleries

We must first investigate the “Why?” before turning our attention to the “How?” Why is everyone worried about fast-loading picture galleries, and what are their advantages?

  • Enhances overall page performance – Because much less data must be delivered from the server to the user, gallery picture loading times have a direct influence on your website’s total loading time.
  • Improves SEO – Slow websites are penalized by search engines like Google. If your website loads quickly and your images are optimized, your chances of ranking well in SERP are increased.
  • Enhances user experience – Users find it frustrating to wait more than three seconds for a page to load. Every second matters, and 40% of website visitors will leave if they have to wait more than three seconds for a page to appear.
  • Increases conversion rates – Since sluggish websites and poor user experiences are both caused by poorly optimized gallery photos, conversion rates are also affected. Customers acknowledge that page performance affects whether or not they are prepared to make an online purchase in close to 70% of cases. Science has proven that a website with a quick load time has greater conversion rates.
  • Less bandwidth is used – When you upload a picture to WordPress, five or six different sizes are produced instantly. To reduce bandwidth use, they are instantly optimized via the Modula Speed Up extension.

Speeding up Image Loading – Solutions

The size and type of pictures you load, media compression, and preloading are just a few of the numerous ways WordPress image performance optimization may be done. Tools and plugins for picture speed optimization might occasionally make the procedure simpler.

One of the greatest ways to create high-quality content that helps your SEO objectives is to use the image speed optimization techniques described below. Together, let’s investigate them to understand how they operate and why they’re useful.

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By loading a disproportionately huge picture, you won’t improve the image quality on your website; instead, you’ll consume more bandwidth and lengthen the time it takes for your webpage to load. Finding the right picture size for the area where it will be shown should be your first step.

Your gallery photographs may be resized or cropped using a variety of applications, including Photoshop, Microsoft Paint, and third-party online resizing services like PicResize and ResizePixel.


The photographs you see online today have been compressed in some way for a variety of reasons. Users’ web sites will take up less space on a Web server and load gallery photos more quickly. Picture compression compresses the data that makes up an image rather than reducing the size of the image itself.

  • Depending on the situation, compression might take many different forms:
  • If you care about picture quality, the best option is lossless image compression, which finds and eliminates statistical redundancies to compress images without compromising quality.
    Lossy image compression affects the perceived quality of the photographs in some circumstances by compressing files by removing some vital and unneeded data. If you want your website to load as quickly as possible, this option is useful.


Image caching, which employs pre-existing pictures cached on users’ web browsers or proxy servers for quick and simple access, is one of the greatest WordPress image performance optimization techniques.

Application requests are cut down and download data is decreased through browser-side caching.

Proxy caching, on the other hand, keeps picture files on point of presence (PoP) servers, which speeds up the display of web pages. First-time visitors and returning users who may have cleared their browser cache can quickly view gallery photos.

If your website has a lot of photographs that are utilized on several pages and aren’t updated very often, caching might be extremely useful. You will have a significant advantage when it comes to caching if you use a CDN (Content Delivery Network).

All PoP servers effectively receive and cache an image. When website users can instantaneously obtain your image from the nearest physical PoP location, this translates into speed gains.

Using a Content Delivery Network (CDN)

The transparent internet backbone for content distribution is represented by content delivery networks (CDN).

No matter what you do or the kind of content you access online, CDNs are probably responsible for every text pixel, every picture pixel, and every movie frame sent to your PC and mobile browser.

One of the major challenges with picture loading is the speed at which these images load, which CDNs solve by storing your website’s contents in several data centers across the world (Points of Presence). Visitors to your website can download and see the photographs in your gallery from the closest global data center.

Disable Hotlinking

When someone uses the direct file URL to embed material (mostly images, music, video, and documents) from your website on another website, this is known as hotlinking. By sending unnecessary traffic to your website, the other website is basically stealing your bandwidth and depleting your hosting resources. Particularly when it comes to photos, this occurs frequently.

You may prevent people from using your gallery photos and causing your website to load slowly by using a content delivery network like Cloudflare or StackPath. You may activate that hotlink protection using a built-in option in Cloudflare.


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Kariuki Maina
By Kariuki Maina Kariuki Maina
In a world full of worriers, be the warrior.
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