All posts by Gerard

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ShortPixel Image Optimizer: The only WP plugin that creates AVIF images

AVIF images are the next big step in image compression, and we have already been talking about it. AVIF promises images 50% smaller than JPG, and still keeping the same image quality. In comparison, WebP makes the image about 30% smaller, so it’s easy to see why you will want AVIF.

Starting with version 4.22, ShortPixel Image Optimizer (SPIO) is able to generate AVIF images! No need to use any hacks or manually upload them to your site. You just need the good old ShortPixel Image Optimizer.

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What is DNS Prefetch and why you should implement it on your website

We previously talked about what Preconnect is and why you should implement it on your website. In this occasion we will talk about DNS Prefetch, a similar technique.

What is DNS Prefetch?

You probably know that domains exist just so we don’t have to remember the IPs of the servers of every website. Resolving a domain to an IP address is a process that takes some time, usually around 20-120ms, and that is done for every external domain that your website includes. Wouldn’t it be nice if these connections were made in the background while your page is loading, so when the actual resources need to be downloaded it all would take less time? That’s what DNS Prefetch does.

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How to add AVIF and WebP images to your site

We have already written about how important are WebP images, and how the new AVIF format file is going to be better than WebP. But the most important question remains: how do I add AVIF images to my site? How do I add WebP images to my site?

The answer is ShortPixel.

How to serve WebP or AVIF from WordPress

If you have a WordPress site, and you probably do as more than 40% of all websites use WordPress, you have multiple ways to serve WebP or AVIF files.

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How to optimize your external resources in WordPress

When it comes to WordPress Speed Optimization, there are many techniques used to improve many aspects of a website. However, one usually hits a wall when external resources appear.

External resources are difficult to optimize. Period. By definition (“external”) they are not something you are supposed to optimize. We are talking about files that are loading from other places that are not your web server:

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