Initcwnd is one thing to tweak on the server to improve TCP performance. What is the initcwnd value of CDN providers? Find out what our tests in August 2014 show and learn how we tested.
How can you protect your CDN origin servers from malicious attacks, incl. DDoS attacks? We describe a few options, with one being the clear winner.
When turning on a CDN for your site, make sure to test your config/setup actually works. If you don't, you can be in big trouble. We show you 4 ways to do this testing and number 1 is clearly not our favourite...
Turbobytes is a new and innovative multi-provider CDN platform that load balances amongst providers based on performance, enabling publishers, webshops and others to get optimal performance worldwide. Great pricing, a friendly Cancel-Anytime policy and no need for your own contracts with several CDNs.
Currently, you cannot purge files from Cloudfront via the AWS console, which means you always have to do it via the API. The Cloudfront Purge Tool, a Chrome extension, takes away the hassle of using the AWS API, and enables you to quickly purge one or more files. Yes, it is secure.
Tuning the initial congestion window parameter (initcwnd) on the server can have a significant improvement in TCP performance, resulting in faster downloads and faster webpages. Get an in-depth understanding of TCP slow start and how to tune for performance.
In this post, I intend to illustrate some potential issues with browser cachability when using Amazon CloudFront and some possible work-arounds. These are some issues all CloudFront users should be made aware of. Sending stale responses to users may have a big impact on user experience.
Since about 2:35pm EDT today, we noticed many sites that use Amakai go down. Akamai denies any outage at their end.
Your goal is to select the Content Delivery Network that is a perfect fit with your needs and requirements. Learn about the 4 categories of selection criteria (functionality, performance, costs and service) and read our tips on how to effectively and efficiently go through the selection process.
Cloudfront's request to origin servers are marked as HTTP/1.0. By default nginx does not send gzipped response to a HTTP/1.0 request. gzip_http_version setting should be set to 1.0 for it to work correctly.