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Improve Your WordPress Page Speed With Compression And Better Image Formats

xeladu
Level Up Coding
Published in
6 min readMar 24, 2025

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Photo by Cris Ovalle on Unsplash

I recently updated my QuickCoder WordPress blog and finally tackled the performance issued I had for a long time. My major problem was that the page loading time was too slow. Since the first impression matters and I get a ton of visitors from search engines, this problem needs to be taken care of at some point.

To track your performance, you can use Google Search Console which checks all your URLs. There are many alternative tools across the internet like PageSpeed Insights which even gives handy advice on how to improve your ratings.

Core Web Vitals summary of my QuickCoder blog website

My PageSpeed report for the main page stated that I had two major flaws in my setup

  1. No compression enabled
  2. Images in PNG format

By fixing those two issues, I could improve my score to over 90 for desktop and mobile.

Ideally, you should do this already when setting up your blog since it means extra work to do it afterwards. However, my tips here might help you to overcome some of the struggles I had to deal with and improve your WordPress page speed.

Enabling compression

I don’t even know why this is not a default setting in 2025 since you can expect up to 75% less data transmission when visiting a website.

To test if GZIP/Brotli compression is enabled, try out this tool.

GiftOfSpeed GZIP/Brotli compression check tool for any website

There are many WordPress plugins that claim to enable GZIP compression (W3 Total Cache, WP Super Cache, WP Rocket) but they didn’t…

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