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Author: Alex Karpinsky

Security & Compliance

Vulnerability in HTML Design: The Script Tag

December 30, 2020

TL;DR This article covers one of the ways to avoid the by-design <script> HTML element vulnerability. Long story short, unlike any other HTML tag, <script> implies different rules of escaping its content. The proper escaping …

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Security & Compliance

Uploadcare Closed a Potential Security Breach Involving Text/HTML Files

August 6, 2020

TL;DR: We’ve completely disallowed inlining text/html files on our CDN and thus closed a potential security breach. Please check if your application relies on that capability. At Uploadcare, we always take security seriously, and that’s …

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Image Optimization

How to Accelerate Image Resizing Without Screwing Up

March 20, 2020
How to Accelerate Image Resizing

With so many devices on the market, it’s a challenge to make on-site images match each screen size. This is what happens (hopefully) in milliseconds before a visitor sees the actual webpage. The faster the …

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Image Optimization

The fastest production-ready image resize out there, part 1: general optimizations

October 24, 2017

In the introductory article, I provided a comprehensive summary of the challenge. The story turned out to be rather long and a bit half-baked: it did not contain a single line of code. However, it’s …

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Image Optimization

The fastest production-ready image resize out there, part 0

June 20, 2017

Hi there. Name’s Alex. I made the fastest image resize for modern x86 processors. And, I’d like to share my experience hoping I might motivate and inspire you to go optimize things. My warmest thanks …

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