Latest articles
Web Performance
Lazy Loading Images and Media: How Far Ahead Browsers Fetch

Ben Schwarz

Web Performance
It’s official: Airline websites are slow, but they don’t have to be

Ben Schwarz

Inside Calibre
Chrome lands on arm64

Ben Schwarz

Web Performance
10 Causes of Slow Websites (and How to Fix Them)

Karolina Szczur

Inside Calibre
We needed a screenshot pipeline; we got a design QA tool instead

Ben Schwarz

Product
UX Rating: How many of your users are having a good time?

Ben Schwarz
Inside Calibre
Delivering a dynamic hexagonal world map in just 10kb

Ben Schwarz

Product
Real User Monitoring: Focus, depth, and clarity from real browser sessions

Ben Schwarz

Product
Track real user Core Web Vitals data with CrUX Dashboard

Karolina Szczur

Product
A Year in Features: What We Released in 2023

Karolina Szczur

Web Performance
Psychology of Speed: A Guide to Perceived Performance

Karolina Szczur

Product
Easily investigate page performance with Snapshot Overview

Karolina Szczur

Product
Test Speed in CI/CD and Pull Requests

Karolina Szczur

Web Performance
What is a CDN? An Unbiased Guide to Content Delivery Networks

Ben Schwarz

Web Performance
Time to First Byte: What it is and How to Make Improvements

Karolina Szczur

Web Performance
5 Best Practices to Sustainably Improve Core Web Vitals

Ben Schwarz

Web Performance
The Calm Web: A Solution to Our Scary and Divisive Online World

Karolina Szczur

Web Performance
The Ultimate Guide to Image Optimisation

Karolina Szczur

Web Performance
Interaction to Next Paint (INP): What is it and How to Improve It

Karolina Szczur

Web Performance
5 Beginner Website Speed Optimisations and How to Do Them Right

Ben Schwarz

Web Performance
Your Web Performance is Too Reactive; It’s Time to Do More Than Put Out Fires

Karolina Szczur

Inside Calibre
5 Ways to Streamline the Pull Request Review Process

Ben Schwarz

Web Performance
SEO Content Has Peaked; it’s Time to Focus on Performance

Karolina Szczur

Web Performance
7 Website Performance Metrics to Track for Better UX

Ben Schwarz

Web Performance
What is Synthetic Monitoring and How to Get More From It

Ben Schwarz

Web Performance
7 Unexpected Benefits of Web Performance Management Software

Karolina Szczur

Web Performance
Performance Budgets: The Easiest Way to a Faster Site

Karolina Szczur

Web Performance
Total Blocking Time: A Short and Sweet Guide for Happier Users

Ben Schwarz

Web Performance
How To Improve Largest Contentful Paint for Faster Load Times

Karolina Szczur

Web Performance
Fetch Priority: Influence How Browsers Fetch Resources

Karolina Szczur

Product
A Year in Features: What We Released in 2021

Karolina Szczur

Web Performance
Why Lighthouse Performance Score Doesn’t Work

Karolina Szczur

Web Performance
Next.js Performance: Making a Fast Framework Even Faster

Ben Schwarz

Product
Connect Calibre to thousands of apps with Zapier

Karolina Szczur

Web Performance
Everything You Have to Know About Core Web Vitals

Karolina Szczur

Inside Calibre
What We Use to Build Calibre

Karolina Szczur

Web Performance
Small Bundles, Fast Pages: What To Do With Too Much JavaScript

Ben Schwarz

Inside Calibre
Four Day Work Week: How and Why We Work Less

Karolina Szczur

Product
Collaborate on Speed with Teams

Karolina Szczur

Web Performance
How Lighthouse 8 Changes Affect Your Metrics

Karolina Szczur

Inside Calibre
Why We Run a People First Company

Karolina Szczur

Web Performance
Cumulative Layout Shift: Measure and Avoid Visual Instability

Karolina Szczur

Web Performance
The Critical Request: How to Prioritise Requests to Improve Speed

Ben Schwarz

Web Performance
How to Convince Your Boss to Care About Speed

Karolina Szczur

Web Performance
How to Plan and Deliver on Site Speed as a Team

Ben Schwarz

Web Performance
How to Improve CSS Performance

Milica Mihajlija

Inside Calibre
How We Deliver Great Customer Experience Without a Support Team

Karolina Szczur

Web Performance
Site Speed and Search Ranking (Complete Guide)

Ben Schwarz

Inside Calibre
How to Write a Job Ad (That People Actually Want to Apply For)

Karolina Szczur

Product
A Year in Features: What We Released in 2020

Karolina Szczur

Product
Compress Your Images in GitHub with Image Actions 2.0

Karolina Szczur

Product
Find Slow Pages Easily and Benchmark Against the Competition

Karolina Szczur

Product
Set and Meet Speed Budgets

Karolina Szczur

Web Performance
5 Common Mistakes Teams Make When Tracking Performance

Karolina Szczur

Web Performance
Why You Might Want to Reconsider Tracking First Meaningful Paint

Karolina Szczur

Web Performance
Performance During a Pandemic

Karolina Szczur

Product
See Performance Issues Before They Reach Your Customers

Karolina Szczur

Web Performance
The New Generation of Performance Metrics for Better User Experience

Milica Mihajlija

Web Performance
Performance for Designers Part 1: Typography

Karolina Szczur

Web Performance
Getting Started with Web Performance

Karolina Szczur

Web Performance
How We Improved the Performance of Our Live Chat by 30%

Michael Dijkstra

Web Performance
Investigate Animation Performance with DevTools

Milica Mihajlija

Product
Automatically Compress Images on Pull Requests

Karolina Szczur

Web Performance
How Google Pagespeed Works: Improve Your Score

Ben Schwarz

Web Performance
Time to Interactive: Focusing on the Human-Centric Metrics

Radimir Bitsov

Web Performance
Profiling React component performance with DevTools

Ben Schwarz

Web Performance
Beyond the Bubble: Real-World Web Performance

Ben Schwarz
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