How to Improve TTFB on Cloudflare with Speculation Rules
If your website is on Cloudflare and the HTML is not served from edge cache, your Time to First Byte (TTFB) is probably high for some/many users. High TTFB is bad for user experience and…
Category: CDN Planet
Bunny Fonts or Google Fonts – Performance Comparison
Early 2022, a court in Germany found a company guilty of violating users' privacy by using Google Fonts on their website: Google Fonts was ruled GDPR non-compliant! Five months later, Bunny CDN launched a privacy-first,…
Site Speed of CDN Websites
Content delivery networks sell solutions to improve website speed: "Use our CDN and your website will load much faster!" It seems obvious to expect the website of a CDN provider is fast, because surely the…
StackPath CDN Shut Down: Alternatives?
StackPath is moving out of the CDN business. On August 24 2023, StackPath announced the shutdown of its CDN after seven years of accelerating thousands of websites from their global edge network. Customers were notified…
Introducing CDN Purge Speed Stats
We're excited to announce the all new CDN Purge Speed Stats! CDN Purge Speed Stats provides insight into how fast you can purge (invalidate or delete) a single cached object on various content delivery networks,…
Cloudflare Browser Insights Review
Starting May 2021, Google will take Core Web Vitals into account to determine rankings of pages in Google search results. Core Web Vitals is set of three page experience metrics: Largest Contentful Paint (LCP), First…
Our Cloudflare Workers and Workers KV Wishlist
Table of contents Durable Objects Long running functions Send requests to a specific POP Run scheduled event from a specific POP Raise Workers limits for subrequests Intra zone subrequests Send subrequest to a specific IP…
Initcwnd settings of major CDN providers
In November 2011, we first published the initcwnd values of CDNs, following our blog post Tuning initcwnd for optimum performance that showed how tuning the initial congestion window parameter (initcwnd) on the server can have…
The All New CDN Finder
CDN Finder is a tool that enables you to quickly and easily find out which CDN(s) a website is using, or identify the CDN behind a hostname. CDN Finder has been quite popular since its…
Introducing the CDN Performance Checker tool
Getting complaints about your site being slow or your app not loading? Validate your CDN's performance with our new CDN Performance Checker tool! The CDN Performance Checker tool instantly checks if an object will load…