Blog

Recent posts in category "Web Performance"

How to serve video & audio with Uploadcare video CDN

Oct 28, 2025

AVIF vs JPEG XL vs JPEG: Which image format is best for you?

Oct 24, 2025

How to compress images for your website without losing quality

Aug 12, 2025

React image optimization: Techniques to speed up your web apps

Jun 17, 2025

How to preload images: HTML and JavaScript methods explained

Jun 12, 2025

How to add and customize CSS background image

May 22, 2025

How to optimize images in Astro: A step-by-step guide

May 13, 2025

What is adaptive bitrate streaming (ABR) and how to use it

Apr 24, 2025

How to optimize images for the Web: Best practice guide

Apr 10, 2025

A Guide to HTTP Live Streaming (HLS)

Apr 1, 2025

Optimizing apps using React Developer Tools

Mar 27, 2025

Creating responsive images with srcset

Mar 20, 2025

Core web vitals tutorial for web developers and SEO engineers

Feb 14, 2025

What is an AVIF file? Everything you need to know about the AVIF format

Dec 26, 2024

Interaction to Next Paint: how to measure and improve it

Nov 11, 2024

Time to First Byte: What it is, why it matters, and how to improve it

Sep 17, 2024

How to load responsive images with uc-img

Jun 24, 2024

Improving animated GIF performance with HTML5 video

Oct 12, 2023

Creating responsive images with image-set

Sep 27, 2022

Cumulative Layout Shift — the key to a website’s visual stability — Google Lighthouse, pt. 8 (final)

May 6, 2021

What is TBT (Total Blocking Time) in Lighthouse and why it matters — Google Lighthouse, pt. 7

Apr 28, 2021

Image optimization for WordPress

Mar 31, 2021

First Input Delay (FID): website interactivity and responsiveness — Google Lighthouse, pt. 6

Mar 30, 2021

What is TTI (Time To Interactive)? What does it say about your website? — Google Lighthouse, pt. 5

Mar 2, 2021

How to optimize images before uploading to WordPress

Feb 26, 2021

6 proven techniques to load an image-heavy website faster

Feb 4, 2021

What is Largest Contentful Paint (LCP) and how to improve it — Google Lighthouse, pt. 4

Feb 2, 2021

What is Lighthouse Speed Index and why should you care? — Google Lighthouse, pt. 3

Dec 25, 2020

How to optimize pictures for better website performance

Dec 1, 2020

What is First Contentful Paint and how to improve it — Google Lighthouse, pt. 2

Nov 13, 2020

What is Google Lighthouse and why you should use it — Google Lighthouse, pt. 1

Oct 22, 2020

Automate format and quality selection for all your images with Uploadcare

Oct 6, 2020

Responsive images vs Adaptive Delivery

Sep 25, 2020

Everything you wanted to know about image optimization: definition, methods, and best tools

Sep 21, 2020

Lossless image compression. Quality over page speed?

Sep 16, 2020

8 tips for SEO image optimization

Jul 31, 2020

Image CDN can speed up your website by 900%

Jun 5, 2020

Five steps to better responsive images

Jun 5, 2020

The future of image optimization: Uploadcare webinar highlights

May 27, 2020

Python libraries to compress & resize images fast

May 20, 2020

We found a way to optimize a Shopify site by 6x. Here’s how

May 15, 2020

Responsive images in WordPress

May 12, 2020

Uploadcare webinar: the future of image optimization on the web

Apr 30, 2020

PHP image resizing & optimization

Apr 29, 2020

Optimize JPEG images for the web without losing quality

Apr 21, 2020

Quality of Experience: the ultimate stat of video content delivery

Apr 13, 2020

How to accelerate web performance to improve customer experience

Mar 24, 2020

To infinity and beyond with Adaptive Image Delivery

Mar 11, 2020

Image optimization: understanding the exact impact on Google’s performance score to rank higher

Apr 15, 2019

Key image optimizations to maximize your Google PageSpeed score

Feb 12, 2019