WCAG 2.2 Explained: The Accessibility Rules Behind the Web
WCAG 2.2 is the W3C's current standard for accessible websites and apps. Here is what its nine new success criteria require, what was removed, and what the rules leave unsaid.
Section
Software & Internet
Apps, platforms, open standards and the infrastructure of the web.
Shorter TLS Certificates: Why Website Renewals Must Be Automated
The padlock in your browser rests on certificates that keep getting shorter-lived. Here is how they work, why the industry is heading toward a 47-day maximum, and why renewals are moving from a chore to software.
HTTP/3 and QUIC Explained: What Changed for Web Traffic
HTTP/3 moves web traffic onto a new transport called QUIC. Here is the problem it was built to solve, how it differs from HTTP/2 and TCP, and how much of the web uses it today.
Cloud Outages: Why One Failure Can Spread So Far
Two detailed post-incident reports, from Amazon and Google, show how a single fault in shared infrastructure can cascade, and what customers can do to limit the damage.
How DNS Works and Why DNS Outages Spread So Fast
DNS turns names into the addresses computers use. How a lookup works, who runs the root, and what a documented DNS failure at Amazon in 2025 shows about how problems cascade.
Open Source Software Explained: Why Almost Everything Depends on It
Open source code sits inside phones, websites and cloud services. What the formal definition requires, how licenses differ, and why dependency tracking has become a security issue.
Progressive Web Apps Explained: Do They Replace Native Apps?
Progressive web apps are websites that can be installed, work offline and send notifications. Here is how they work, where support differs, and when they beat a native app.