Latest articles

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

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

Ben Schwarz

Ben Schwarz

Track real user Core Web Vitals data with CrUX Dashboard
Product

Track real user Core Web Vitals data with CrUX Dashboard

Karolina Szczur

Karolina Szczur

A Year in Features: What We Released in 2023
Product

A Year in Features: What We Released in 2023

Karolina Szczur

Karolina Szczur

Psychology of Speed: A Guide to Perceived Performance
Web Performance

Psychology of Speed: A Guide to Perceived Performance

Karolina Szczur

Karolina Szczur

Easily investigate page performance with Snapshot Overview
Product

Easily investigate page performance with Snapshot Overview

Karolina Szczur

Karolina Szczur

Test Speed in CI/CD and Pull Requests
Product

Test Speed in CI/CD and Pull Requests

Karolina Szczur

Karolina Szczur

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

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

Ben Schwarz

Ben Schwarz

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

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

Karolina Szczur

Karolina Szczur

5 Best Practices to Sustainably Improve Core Web Vitals
Web Performance

5 Best Practices to Sustainably Improve Core Web Vitals

Ben Schwarz

Ben Schwarz

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

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

Karolina Szczur

Karolina Szczur

The Ultimate Guide to Image Optimisation
Web Performance

The Ultimate Guide to Image Optimisation

Karolina Szczur

Karolina Szczur

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

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

Karolina Szczur

Karolina Szczur

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

5 Beginner Website Speed Optimisations and How to Do Them Right

Ben Schwarz

Ben Schwarz

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

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

Karolina Szczur

Karolina Szczur

5 Ways to Streamline the Pull Request Review Process
Inside Calibre

5 Ways to Streamline the Pull Request Review Process

Ben Schwarz

Ben Schwarz

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

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

Karolina Szczur

Karolina Szczur

7 Website Performance Metrics to Track for Better UX
Web Performance

7 Website Performance Metrics to Track for Better UX

Ben Schwarz

Ben Schwarz

8 Causes of Slow Website Loading (And How To Fix Them)
Web Performance

8 Causes of Slow Website Loading (And How To Fix Them)

Karolina Szczur

Karolina Szczur

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

What is Synthetic Monitoring and How to Get More From It

Ben Schwarz

Ben Schwarz

7 Unexpected Benefits of Web Performance Management Software
Web Performance

7 Unexpected Benefits of Web Performance Management Software

Karolina Szczur

Karolina Szczur

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

Performance Budgets: The Easiest Way to a Faster Site

Karolina Szczur

Karolina Szczur

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

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

Ben Schwarz

Ben Schwarz

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

How To Improve Largest Contentful Paint for Faster Load Times

Karolina Szczur

Karolina Szczur

Priority Hints: Influence How Browsers Fetch Resources
Web Performance

Priority Hints: Influence How Browsers Fetch Resources

Karolina Szczur

Karolina Szczur

A Year in Features: What We Released in 2021
Product

A Year in Features: What We Released in 2021

Karolina Szczur

Karolina Szczur

Why Lighthouse Performance Score Doesn’t Work
Web Performance

Why Lighthouse Performance Score Doesn’t Work

Karolina Szczur

Karolina Szczur

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

Next.js Performance: Making a Fast Framework Even Faster

Ben Schwarz

Ben Schwarz

Connect Calibre to thousands of apps with Zapier
Product

Connect Calibre to thousands of apps with Zapier

Karolina Szczur

Karolina Szczur

Everything You Have to Know About Core Web Vitals
Web Performance

Everything You Have to Know About Core Web Vitals

Karolina Szczur

Karolina Szczur

Check If Your Site Passes Core Web Vitals Assessment
Product

Check If Your Site Passes Core Web Vitals Assessment

Karolina Szczur

Karolina Szczur

What We Use to Build Calibre
Inside Calibre

What We Use to Build Calibre

Karolina Szczur

Karolina Szczur

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

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

Ben Schwarz

Ben Schwarz

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

Four Day Work Week: How and Why We Work Less

Karolina Szczur

Karolina Szczur

Collaborate on Speed with Teams
Product

Collaborate on Speed with Teams

Karolina Szczur

Karolina Szczur

How Lighthouse 8 Changes Affect Your Metrics
Web Performance

How Lighthouse 8 Changes Affect Your Metrics

Karolina Szczur

Karolina Szczur

Why We Run a People First Company
Inside Calibre

Why We Run a People First Company

Karolina Szczur

Karolina Szczur

Cumulative Layout Shift: Measure and Avoid Visual Instability
Web Performance

Cumulative Layout Shift: Measure and Avoid Visual Instability

Karolina Szczur

Karolina Szczur

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

The Critical Request: How to Prioritise Requests to Improve Speed

Ben Schwarz

Ben Schwarz

How to Convince Your Boss to Care About Speed
Web Performance

How to Convince Your Boss to Care About Speed

Karolina Szczur

Karolina Szczur

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

How to Plan and Deliver on Site Speed as a Team

Ben Schwarz

Ben Schwarz

How to Improve CSS Performance
Web Performance

How to Improve CSS Performance

Milica Mihajlija

Milica Mihajlija

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

How We Deliver Great Customer Experience Without a Support Team

Karolina Szczur

Karolina Szczur

Site Speed and Search Ranking (Complete Guide)
Web Performance

Site Speed and Search Ranking (Complete Guide)

Ben Schwarz

Ben Schwarz

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

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

Karolina Szczur

Karolina Szczur

A Year in Features: What We Released in 2020
Product

A Year in Features: What We Released in 2020

Karolina Szczur

Karolina Szczur

Compress Your Images in GitHub with Image Actions 2.0
Product

Compress Your Images in GitHub with Image Actions 2.0

Karolina Szczur

Karolina Szczur

Find Slow Pages Easily and Benchmark Against the Competition
Product

Find Slow Pages Easily and Benchmark Against the Competition

Karolina Szczur

Karolina Szczur

Set and Meet Speed Budgets
Product

Set and Meet Speed Budgets

Karolina Szczur

Karolina Szczur

5 Common Mistakes Teams Make When Tracking Performance
Web Performance

5 Common Mistakes Teams Make When Tracking Performance

Karolina Szczur

Karolina Szczur

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

Why You Might Want to Reconsider Tracking First Meaningful Paint

Karolina Szczur

Karolina Szczur

Performance During a Pandemic
Web Performance

Performance During a Pandemic

Karolina Szczur

Karolina Szczur

See Performance Issues Before They Reach Your Customers
Product

See Performance Issues Before They Reach Your Customers

Karolina Szczur

Karolina Szczur

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

The New Generation of Performance Metrics for Better User Experience

Milica Mihajlija

Milica Mihajlija

Performance for Designers Part 1: Typography
Web Performance

Performance for Designers Part 1: Typography

Karolina Szczur

Karolina Szczur

Getting Started with Web Performance
Web Performance

Getting Started with Web Performance

Karolina Szczur

Karolina Szczur

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

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

Michael Dijkstra

Michael Dijkstra

Investigate Animation Performance with DevTools
Web Performance

Investigate Animation Performance with DevTools

Milica Mihajlija

Milica Mihajlija

Automatically Compress Images on Pull Requests
Product

Automatically Compress Images on Pull Requests

Karolina Szczur

Karolina Szczur

How Google Pagespeed Works: Improve Your Score
Web Performance

How Google Pagespeed Works: Improve Your Score

Ben Schwarz

Ben Schwarz

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

Time to Interactive: Focusing on the Human-Centric Metrics

Radimir Bitsov

Radimir Bitsov

Profiling React component performance with Chrome devtools
Web Performance

Profiling React component performance with Chrome devtools

Ben Schwarz

Ben Schwarz

Beyond the Bubble: Real-World Web Performance
Web Performance

Beyond the Bubble: Real-World Web Performance

Ben Schwarz

Ben Schwarz

One platform for all web performance needs

Check first results in just a couple minutes. Start improving performance the same day.

Screenshot of Core Web Vitals assessment in Calibre