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We’re a friendly web performance platform that helps automate speed testing and act on reporting data, no matter your role.

Proudly bootstrapped team of three. 🌟

Websitehttps://calibreapp.com
Performance Newsletterhttps://perf.email
We post aboutweb performance, UX and SEO

⚡ Do you know why people can only perceive changes of more than 20%? How does this affect web performance work?

Learn about the psychology of speed: how its perceived and how to make it feel as fast as possible.

#webperf #perfmatters

https://calibreapp.com/blog/perceived-performance

Psychology of Speed: A Guide to Perceived Performance - Calibre

Is it possible to define human perception with a handful of metrics? Learn how people comprehend time, and use this knowledge to make even longer waits feel less frustrating.

Calibre - Site Speed Tools for Teams

⚡ Poor TTFB indicates that your servers aren’t responding quickly enough, which can cause cascading performance issues for the entire page-loading process.

Here’s how to ensure a good TTFB measurement:

🔹 upgrade your hosting
🔹 use a CDN
🔹 reduce DNS lookup time
🔹 always default to server-rendered HTML

#webperf #perfmatters

https://calibreapp.com/blog/time-to-first-byte

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

TTFB is the backbone of page speed: it can make or break the experience of your sites. Learn how to test and track it.

Calibre - Site Speed Tools for Teams

⚡ Slow websites don’t become fast because of individual, one-off tactics. We need constant efforts in keeping optimal web performance.

Here’s our take on web performance sustainability.

#webperf #perfmatters

https://calibreapp.com/blog/improve-core-web-vitals

5 Best Practices to Sustainably Improve Core Web Vitals - Calibre

Slow websites don’t become fast because of one-off tactics. To accomplish strong Core Web Vitals metrics, companies need to establish an organisation-wide foundation that produces faster pages.

Calibre - Site Speed Tools for Teams

⚡ Image optimisation is a relatively easy fix with potentially high rewards. Many tools can be used by anyone on your team, without prior knowledge.

We compiled:

🔹 Image compressors
🔹 Image formats
🔹 Content delivery networks characteristics
🔹 Compression algorithms
🔹 Placeholder techniques

#webperf #perfmatters

https://calibreapp.com/blog/image-optimisation-guide

The Ultimate Guide to Image Optimisation - Calibre

Image optimisation is the web performance the lowest hanging fruit. Learn how to optimise imagery without sacrificing its quality.

Calibre - Site Speed Tools for Teams

⚡ You don't have to be a developer or an expert to start thinking about web performance. We prepared five begginer-friendly tips on how to get started.

#webperf #perfmatters

https://calibreapp.com/blog/beginner-speed-optimisations

5 Beginner Website Speed Optimisations and How to Do Them Right - Calibre

Anyone can positively contribute to improving web performance. If you’re unsure where to start, try these beginner-friendly strategies!

Calibre - Site Speed Tools for Teams

⚡ We are big fans of proactive performance. So many areas of building for the web have quality assurance steps that prevent releasing regressions. Why not web performance?

Here’s why it’s better to start on web performance today.

#webperf #perfmatters

https://calibreapp.com/blog/proactive-performance

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

The current wait-and-see speed strategy isn’t best for your business. The best day to start thinking about web performance is today.

Calibre - Site Speed Tools for Teams

⚡ Can performance be a competitive edge for companies who want to stand out with their content?

With performance and user experience contributing to Google Search Ranking—we think yes.

#webperf #perfmatters

https://calibreapp.com/blog/performance-competitive-advantage

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

You’ll always need good content to rank well and bring in new readers. User experience and speed is what’ll make them stay.

Calibre - Site Speed Tools for Teams

⚡ There are a near-limitless number of ways you could try to measure web performance, and some are far better than others.

These 7 performance metrics allow you to understand how your web page performs across several different page load aspects.

#webperf #perfmatters

https://calibreapp.com/blog/performance-metrics-to-track

7 Website Performance Metrics to Track for Better UX - Calibre

With near-limitless number of ways you could measure web performance, are you choosing the most reliable metrics?

Calibre - Site Speed Tools for Teams

🛠️ Performance Tools Wednesday time!

Waterfaller by Tim Bednar: create actionable development tasks from PageSpeed Insights results.

#webperf #perfmatters

https://waterfaller.dev/

Core Web Vitals Toolset: Guide to improve LCP, FID, CLS

Waterfaller, this FREE real-time tool leads web professionals through a step-by-step guidebook to boost your website's Core Web Vitals

⚡ There are distinct patterns in common web performance issues, such as:

- large media files
- unoptimised WordPress plugins
- mishandling font loading
- resource priorities
- bloated and blocking JavaScript
- heavy third party scripts
- misconfigured CDNs

Addressing even one of them can bring a speed boost.

#webperf #perfmatters

https://calibreapp.com/blog/causes-of-slow-websites

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

Everyone can improve performance. Choose from a range of basic to advanced solutions to the most common speed issues.

Calibre - Site Speed Tools for Teams