Uploadcare Blog

We are a team of engineers, living to make the faster web. Welcome to our blog about web performance.

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Recent Posts

Import maps 101

Service workers tutorial

Creating responsive images with image-set

ECMAScript modules. Going beyond the ordinary

A guide to Intersection Observer

Fighting JPEG color banding

How CDN makes your website faster. Part 5. Domains

How CDN makes your website faster. Part 4. Duct taping networks

How CDN makes your website faster. Part 3. Internet Protocol

The non-contradictory approach to day planning

Monorepository and polyrepository. Part 2. Some thoughts on perfecting industry standards

Monorepository and polyrepository: two poor solutions to many unsolved problems. Part 1

How CDN makes your website faster. Part 2. Protocols, protocols everywhere!

How CDN makes your website faster. Part 1. Basics of the Internet

How to crop an image in CSS

JPEG quality loss: why it happens and how to manage it

Next.js image optimization techniques

Don’t get slowed down by DIY building a digital product. Integrate

Lazy loading in Webpack

React lazy loading 101

File uploads with HTML

Resize and rotate images using JavaScript

Get off the ground with Next.js

Fundamental problems & open source dread of making a social media image resizer

Developing an HTML5 file uploader with a PHP back end

Different types of video file formats and why WebM and MP4 beat them all

Cumulative Layout Shift — the key to a website’s visual stability

What is TBT (Total Blocking Time) in Lighthouse and why it matters

A list of the most common image file extensions

Fast import of Pillow images to NumPy / OpenCV arrays

Uploadcare customer support: a sneak peek into our processes

First Input Delay (FID): website interactivity and responsiveness

How a solo founder launched a no-code marketplace in 2 months

HIPAA-Compliant file sharing workflow: a checklist for SaaS

TTI (Time To Interactive): what it is and what it tells about your website

How to optimize images before uploading to WordPress

Uploadcare is about to stop supporting Internet Explorer

6 Proven techniques to load an image-heavy website faster

What is Largest Contentful Paint (LCP) and how to improve it

How to name images for SEO step by step

Vulnerability in HTML design: the script tag

What is the Lighthouse Speed Index and why should you care?

Lazy loading images

What is First Contentful Paint and how to improve it

What is Google Lighthouse and why you should use it

Color recognition: extract dominant colors from any image automatically

The what, why, and how of progressive JPEG

Uploadcare among 10 finalists of Kryptonite Startup Challenge 2020

Lossless image compression: what is it and when to use it?

What is digital transformation in retail and why focus on customer experience

How to convert docs to PDF with Uploadcare and show them in a browser

Face Blur: provide visual anonymity with just a few clicks

Serverless file upload for Meteor applications

5 Popular image upload services overview

How to upload files from a Marketo form

Uploadcare closed a potential security breach involving Text/HTML files

8 Tips for SEO image optimization

Enhance images on the fly: how to achieve better quality with less effort

How to upload files to Wix with Uploadcare step-by-step

How to upload files to JotForm with Uploadcare in four easy steps

Meet smart crop by Uploadcare

Uploadcare smart resize: change image size automatically without distortion

Uploadcare becomes the second-prize winner of the largest global tech exhibition in China

Effective remote processes for companies: how we work and learn at Uploadcare

How to upload files to WordPress with Uploadcare: a step-by-step guide

Face & object recognition: teach your website to see through images

A guide to secure file uploads: how to make your website bullet-proof

What is an image CDN?

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

Responsive images in WordPress

Uploadcare webinar: the future of image optimization on the web

How Uploadcare built a stack that handles 500M file API requests per day

File uploader and its six speed up mechanics under the hood

PHP file uploader for your website

Make sure your website endures increasing online activity

How to accelerate image resizing without screwing up

AJAX file upload: the shortest script

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

How we built Uploadcare and made it cash-positive