Checkers

Grammar and spelling for many languages.

Flags dense sentences and weak wording.

Check text contrast against WCAG.

Grammar and tone suggestions.

Word and character counts in a box.

See if a site is down for others.

Page speed from a real browser.

Lab and field speed from Google.

Certificate dates and chain.

Domain registration record.

DNS, blacklist, and mail checks.

See if a page is copied elsewhere.

Estimate if text looks AI-written.

See if an email appears in a breach.

Accessibility issues on a live page.