INP will replace FID in the Core Web Vitals On May 10, 2023, Google announced that INP will replace FID in the Core Web Vitals in March 2024. The Core Web Vitals play a role in the Google Search algorithm. So website owners who care about Search Engine Optimization (SEO) should prepare for the change. […]
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Every request, every microsecond: scalable machine learning at Cloudflare
In this post, we will take you through the advancements we've made in our machine learning capabilities. We'll describe the technical strategies that have enabled us to expand the number of machine learning features and models, all while substantially reducing the processing time for each HTTP request on our network. Let's begin. Background For a […]
How Orpheus automatically routes around bad Internet weather
Cloudflare’s mission is to help build a better Internet for everyone, and Orpheus plays an important role in realizing this mission. Orpheus identifies Internet connectivity outages beyond Cloudflare’s network in real time then leverages the scale and speed of Cloudflare’s network to find alternative paths around those outages. This ensures that everyone can reach a […]
How Cloudflare runs machine learning inference in microseconds
Cloudflare executes an array of security checks on servers spread across our global network. These checks are designed to block attacks and prevent malicious or unwanted traffic from reaching our customers’ servers. But every check carries a cost – some amount of computation, and therefore some amount of time must be spent evaluating every request […]
Welcome to Speed Week 2023
What we consider ‘fast’ is changing. In just over a century we’ve cut the time taken to travel to the other side of the world from 28 days to 17 hours. We developed a vaccine for a virus causing a global pandemic in just one year – 10% of the typical time. AI has reduced […]
Protecting GraphQL APIs from malicious queries
Starting today, Cloudflare’s API Gateway can protect GraphQL APIs against malicious requests that may cause a denial of service to the origin. In particular, API Gateway will now protect against two of the most common GraphQL abuse vectors: deeply nested queries and queries that request more information than they should. Typical RESTful HTTP APIs contain […]
Cloudflare Area 1 earns SOC 2 report
Cloudflare Area 1 is a cloud-native email security service that identifies and blocks attacks before they hit user inboxes, enabling more effective protection against spear phishing, Business Email Compromise (BEC), and other advanced threats. Cloudflare Area 1 is part of the Cloudflare Zero Trust platform and an essential component of a modern security and compliance […]
Examining HTTP/3 usage one year on
In June 2022, after the publication of a set of HTTP-related Internet standards, including the RFC that formally defined HTTP/3, we published HTTP RFCs have evolved: A Cloudflare view of HTTP usage trends. One year on, as the RFC reaches its first birthday, we thought it would be interesting to look back at how these […]
Nine years of Project Galileo and how the last year has changed it
If you follow Cloudflare, you know that Birthday Week is a big deal. We’ve taken a similar approach to Project Galileo since its founding in 2014. For the anniversary, we typically give an overview of what we have learned to protect the most vulnerable in the last year and announce new product features, partnerships, and […]
Dynamic data collection with Zaraz Worker Variables
Bringing dynamic data to the server Since its inception, Cloudflare Zaraz, the server-side third-party manager built for speed, privacy and security, has strived to offer a way for marketers and developers alike to get the data they need to understand their user journeys, without compromising on page performance. Cloudflare Zaraz makes it easy to transition […]

