
:has is an unforgiving selector
A little thing happened on the way to publishing the CSS :has() selector to the ol' Almanac. I had originally described :has() as a "forgiving" selector, the
1,331 articles published in 2023.

A little thing happened on the way to publishing the CSS :has() selector to the ol' Almanac. I had originally described :has() as a "forgiving" selector, the

Discovering passwords in our codebase is probably one of our worst fears. But what if you didn’t need passwords at all, and could deploy to your cloud provider another way? In this post, we explore how you can use OpenID Connect to trust your cloud provider, enabling you to deploy easily, securely and safely, while minimizing the operational overhead associated with secrets (for example, key rotat

Captioning can be much more than text. Design patterns for better UX of subtitles, captions, video players, transcripts and on-screen text.

Over 10,000 organizations trust Cloudflare One to connect and secure users, devices, applications, and data. Hear from the leaders of our customers to better understand why they selected Cloudflare.

In Q4, Cloudflare mitigated millions of DDoS attacks. Attack durations increase, volumetric attacks surged, and ransom DDoS attacks persist. Travel & events industries were hit hardest and over 90% of traffic to Chinese Internet properties were L3/4 DDoS attacks. Read more on our recent report.

This week we’re announcing the Authorized Services Delivery Partner (ASDP) Track designed to validate partners that want to deliver services around Cloudflare One

Cloudflare Data Loss Prevention now offers the ability to create custom detections.

Enterprise customers can now start previewing non-contracted services

Cloudflare WARP can now securely detect pre-configured locations and route traffic based on the needs of the organization for that location.

Investigate, allow or block decisions based on how a connection was made with the same level of ease that you can troubleshoot user identity.

In this post, we’ll recap how definitions of corporate network traffic have shifted and how Cloudflare One provides protection for all traffic flows, regardless of source or destination.

The good ol’ <table> tag is the most semantic HTML for showing tabular data. But I find it very hard to control how the table is presented, particularly

This article compares pagination methods for PostgreSQL and their performance. Also, avoid displaying the total result count!

Now, you can standardize and enforce CI/CD best practices across all repositories in your organization to reduce duplication and secure your DevOps processes.

Some business graphs for 2022

In this blog post, Pedro explains why we rewrote Shopify CLI into Node instead of Ruby, the tradeoffs that came with the decision, the principles we embraced in this new iteration, and the challenges and ideas ahead of us to explore.

Recently UXPin has extended its powerful Merge technology by adding npm integration, allowing designers to sync React component libraries without requiring any developer input. This new step aims to improve collaboration between designers and developers.


Cloudflare is 38-55% faster at delivering Zero Trust experiences than Zscaler. Let’s talk about why that is and how we found that out

Today, we’re excited to announce a new way to use Cloudflare WARP to securely connect to and from any device in your Zero Trust deployment simply running WARP

Security and IT administrators can now bring their own custom certificates to encrypt user side connections for Zero Trust

A little while back, Ganesh Dahal penned a post here on CSS-Tricks responding to a tweet that asked about adding CSS box shadows on WordPress blocks and

Category Forms allow maintainers to create templates for their GitHub Discussions, which means that users can start new discussions with all the necessary information already included.

Default setup is a new way to automatically set up code scanning on your repository, without the use of a .yaml file.

As developers, we don't like working with forms, but they're a critical part of most web applications! In this tutorial, you'll learn exactly how to wire up all of the different form controls in React. Never forget how to data-bind a checkbox or radio button again!

This article is Eric Burel’s attempt at making the implementation of authentication less obscure. You’ll learn about tokens, authorization, CORS, credentials, HTTP headers, and such.

Learn how to build a performant image gallery using the Next.js image component and Cloudinary that can handle hundreds of large images and deliver great UX.

This CIO Week we’ll demonstrate how Cloudflare is helping CIOs keep data, devices and employees both safe and fast across hybrid and remote environments. We’ll show how Cloudflare accelerates digital transformation and modernizes networking and security towards a Zero Trust model


VCR is a Ruby library that records HTTP interactions and plays them back to your test suite, verifying input and returning predictable output. Here’s how and when Prater (Staff Engineer) recommends you use it.

In this article, Sara Dholakia presents a guide on how to choose just the right type of data visualization, with guidelines and things to keep in mind.

Today, we’re making the job of application security teams easier, by providing a content scanning engine integrated with our Web Application Firewall (WAF), so that malicious files being uploaded by end users, never reach origin servers in the first place

In December, we did not experience any incidents that resulted in degraded performance across GitHub services. This report sheds light into an incident that impacted customers using GitHub Packages and GitHub Pages in November.



Check out this guide for using a Monte Carlo simulation to identify the size and confidence percentage of your sampled success metric.


That’s how people behave on the web in 2023. Some observations from real usability testing on what people do and what they don’t do on the web. From disabled copy-paste to magic link sign-in.





















