Performance blog

HTTP Compression
Posted on September 16, 2019 by Dimitar Ivanov
Speed up your website using http compression. Learn how to use Gzip and Deflate output filter and reduce the size of your web pages.
Security HTTP Headers
Posted on July 26, 2018 by Dimitar Ivanov
Learn how to make your website more secure. Find out which are the most critical HTTP headers in terms of security. Guide to prevent most common attacks on the web.
How To Remove Unwanted HTTP Response Headers
Posted on December 31, 2017 by Dimitar Ivanov
Learn how to remove an HTTP response header across various platforms. Understand how the useless headers can hurt app security, performance, and SEO.
Best Web Performance Books
Posted on January 29, 2017 by Dimitar Ivanov
Getting started with web performance by reading our collection of books from the most influencing authors on the web.
Storing passwords securely
Posted on January 27, 2017 by Dimitar Ivanov
Learn the best practice to store passwords securely. Find out the pros and cons of a hashing and encryption.
High Performance Websites
Posted on December 30, 2016 by Dimitar Ivanov
Speeding-up the page loading time is a key factor for a high-performance website. Learn the best practices for speed optimization of a website.
HTML Comments
Posted on September 4, 2016 by Dimitar Ivanov
Find out why the HTML comments can slow down your web page loading time. Learn why you should avoid using HTML comments for better performance.
Optimize CSS Delivery
Posted on July 22, 2016 by Dimitar Ivanov
Learn how the optimization of CSS delivery improves a web page performance. These 8 simple rules for CSS could speed up dramatically your website.
Page Visibility
Posted on June 27, 2016 by Dimitar Ivanov
Knowing the visibility state of a document benefits the performance of the web app. Learn how to use the Page Visibility API to optimize the use of server resources.
Optimize cached images
Posted on April 25, 2016 by Dimitar Ivanov
Learn how to optimize cache images to improve the user experience. Image cache optimization in 5 easy steps.

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