Optimization Explained
Get a better understanding of common web performance concepts.
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Why is my Performance Score always changing?
Is your GTmetrix Performance Score always changing? Discover why in this article.
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I was scoring well with the Legacy GTmetrix before but now my grades have dropped. Why?
Learn why your grades may have dropped on the new GTmetrix Report even though you were scoring well on the Legacy Reports.
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Glossary of Web Performance Terms
Familiarize yourself with general web performance terms!
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A Basic Guide to CDNs and GTmetrix
We’ll explain how using a Content Delivery Network (CDN) affects your GTmetrix score and how they help your page perform faster.
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How to Analyze a Waterfall Chart
In a continuation of our first Waterfall Charts explained article, we’ll now go through general concepts to help you analyze a Waterfall Chart and discover performance issues for yourself.
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How to Read a Waterfall Chart for Beginners
Learn what each element of a Waterfall Chart means and how it relates to performance.
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First Contentful Paint Explained
Along with various other upgrades, Chrome 62 introduced the First Contentful Paint timing, which differs from First Paint. Read on to discover the difference.
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The Difference Between GTmetrix, PageSpeed Insights, Pingdom Tools and WebPagetest
If you’ve used any of these tools, you may wonder why the results are sometimes different. The post serves to highlight the key differences in these performance analysis tools.
