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SiteMon

by Lin Zhizhao

v1.1.0 Updated Mar 15, 2026 91.84KiB
CWS
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Description

Monitor your websites with traffic light indicators. Instant red alert when any site goes down. ## Detailed Description SiteMon is a lightweight tool for website administrators, developers, and freelancers who need to keep an eye on multiple sites at once. **How it works** Add your websites to SiteMon and it checks them automatically in the background β€” every time you open your browser, and on a schedule you set. The toolbar icon turns red the moment any site goes down. **Traffic light status** 🟒 Green β€” site is reachable and responding normally πŸ”΄ Red β€” site is unreachable, timed out, or returned an HTTP error 🟑 Yellow β€” site loads but content verification failed, or expiry date is within 7 days **Free features** β€’ Monitor up to 6 websites β€’ Automatic background checks on a schedule you set β€’ Fetches the actual page title from each site β€’ Click any site to open it in a new tab β€’ Works entirely offline β€” no data ever leaves your browser **Pro features** β€’ Unlimited websites β€’ Expiry date tracking β€” set a renewal deadline, get yellow/red alerts as it approaches β€’ Content verification β€” specify text or regex; yellow alert if the pattern is missing β€’ SEO health checks β€” title, H1, meta description, canonical, noindex status per site β€’ Full-page dashboard β€’ CSV export & import **Privacy** SiteMon stores all data locally using chrome.storage. No accounts, no servers, no tracking. License verification is done entirely offline.
SiteMon screenshot 1

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Permissions (3)

Permissions

alarmsβ„Ή Can schedule periodic background tasks storageβ„Ή Can store data locally in your browser tabsβ„Ή Can see your open tabs and their URLs

Details

Version 1.1.0
Updated Mar 15, 2026
Size 91.84KiB
First Seen Mar 27, 2026