OnlineOrNot Browser Checks

What it does

OnlineOrNot's Browser Checks automate using real Chrome browsers (via Puppeteer) to visit any URL, and checking if certain text is on the page (up to) every 15 minutes.

Synthetic monitoring for websites, APIs, and real browser flows. Catch broken pages, APIs, login, checkout, and dashboards before customers report them.

Uptime monitoring tells you a server responded. Synthetic monitoring tells you the login button worked, checkout completed, and the API returned the right data. Run Playwright checks continuously from around the world. Synthetic monitoring simulates the checks your customers and systems depend on: loading pages, validating APIs, running browser checks, and confirming scheduled jobs are alive. OnlineOrNot gives small teams the practical parts of synthetic monitoring without forcing them into a full observability platform: uptime checks, API checks, real Chrome browser checks, global regions, retries, and alerts in the tools your team already uses. Start with the paths that create incidents:…from onlineornot.com

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