Show HN: IsSiteDown – Chrome extension to check current site availability

By gin_dev · 2026-11-01 · 1 points · 0 comments

https://chromewebstore.google.com/detail/issitedown/ifilnamlilffdbhbfmkkkajlgckimjlo

Hi HN, I have recently built a small Chrome extension, showing availability of the currently open site. Like you can't open something and want to quickly check, if it is down at all. It checks HTTP responses, DNS resolution and TLS certificate from the cloud environment. For a s…

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