Page Monitor & Alert

Overview

Page Monitor & Alert keeps an eye on any web page and notifies you the moment something changes. Select elements visually, compare content with a colored diff viewer, and trigger alerts on text, HTML, images, or numeric rules. Perfect for product restocks, scoreboards, job postings, price changes, and any page that matters to you. KEY FEATURES One-click visual selector — Pick elements directly on the page (no CSS knowledge required). Multiple trigger modes Any text change on the page Text of a specific element changes HTML of a specific element changes Image changes (by selector or by direct URL) Text equals value (exact match) Number satisfies rule (>, ≥, <, ≤, =) Diff viewer (colored) — See exactly what was removed/added between previous and current content. Alerts your way — Desktop notification, toolbar badge, sound beep, open viewer, Email (SMTP relay), Telegram. Multi-page monitoring — Add as many tasks as you need; each with its own URL, selector, frequency, and alert profile. Flexible scheduling — Choose the check frequency per task. Tab Reload fallback — If a site blocks direct fetches, the extension can reload the tab and read content via the content script. Auto-save & ...