The SiteVitals Blog.

The SiteVitals AI Audit extension for Chrome is now live in the Chrome Web Store — same audit panel, same instant feedback, now in the browser most of you are actually using day to day.

New data shows just 2% of websites give AI systems enough structured context to reliably identify, understand, and cite them.

Our monitoring data shows a sudden, sharp drop in PageSpeed performance scores coinciding with March 2026 — including sites that previously scored a perfect 100. Here's what we found.

Markdown became the default output format for AI tools because it was token-efficient and easy to read without rendering. But a viral post by Thariq Shihipar, engineering lead for Claude Code at Anthropic, has ignited a serious debate: as AI agents grow more powerful and context windows expand to a million tokens, is Markdown holding us back?

Web agencies are sitting on a stream of legitimate maintenance work their clients need but never ask for. Here's how AI is making that conversation easier to start.

We're pleased to announce that the SiteVitals AI Audit extension for Firefox has been approved and is now available on the Mozilla Add-ons store.

Semantic HTML isn't just good practice, it's how AI systems identify, trust, and cite your content. Here's what we now check and why it matters.

The SiteVitals Monitor plugin records every WordPress update to your change timeline, so when something breaks, you know exactly what changed and when.

SiteVitals now analyses how well your content can be read and cited by AI systems. Here is exactly what each metric means, why it exists, and how to interpret your score.

A couple of changes went live this week that will improve how SiteVitals tracks and surfaces problems across your websites. On their own they might seem like small quality-of-life improvements. But they're part of a bigger picture, so I wanted to explain what changed and where we're heading.

For forty years, software quality was gated by who wrote the code. That assumption is dissolving — agents, marketers, and ops people are all shipping now, and human review can't keep up. Here's why the answer isn't slowing them down, and where the real governance layer is moving instead.

SiteVitals now monitors the status of individual services on your Linux servers — nginx, MySQL, Redis, PHP-FPM and more. Get alerted the moment a service stops or starts crash-looping, with full context captured at failure time.