🔔 Website Change Monitor - Alerts Only On Real Changes

Change Watcher - Push Events for Web and API Changes

ernestmarza/change-watcher

Watches URLs with a CSS/XPath/regex selector or a JSONPath query, filters out timestamps, tokens, counters and other rendering noise, and emits a normalized change event only when the watched block really changed. No change, no event, no charge.

Monitor any list of web pages on a schedule and get a structured JSON row when a page changes: added and removed lines, previous and current text, timestamps. No browser, no CSS selector needed, no API key. Pay only for detected changes.

Competitor Pricing Monitor

gadolinium/competitor-pricing-monitor

Watch competitor pricing pages and get a Slack, webhook, or email alert only when a price or plan really changes.

Monitor websites for content changes. Full page, CSS selector, or text pattern matching. Diff summaries and alerts.

Monitor any website for changes automatically. Track content updates, price changes, product availability, news updates. Get instant alerts when pages change. Perfect for competitor monitoring, price tracking, content surveillance, and automated change detection. Export change history to JSON.

Monitor any list of URLs for true content changes — CSS-selector targeting, keyword watches, noise-filtered diffing and webhook-on-change. Built for scheduled runs. Pay per result.

SaaS Pricing Monitor 💰 (competitor pricing page change alerts)

tagadanar/saas-pricing-monitor

Watch competitors' pricing pages and get alerted when a plan, price or feature list changes. Plans extracted as clean JSON, change digests to Slack, no browser or API key to set up. Schedule it daily and pay cents per page, only when something is captured. Platform usage included.

Monitor websites for content changes on a schedule. Diffs main content between runs, ignores noise via regex patterns, optionally summarizes changes with an LLM, and alerts via webhook (n8n, Make, Slack).

Website Change Monitor — Content Diff & Alerts

accurate_pouch/website-change-monitor

Monitor websites for content changes. Text diff, hash comparison, CSS selector targeting. Webhook alerts when content changes. Use with Apify scheduling for daily monitoring. 5 URLs free.

Page Watch — Website Change Monitor & Content Tracker

mfapitools/page-watch

Monitor any URL for content changes with hash-based change detection. Pay per check + per detected change. Ideal for watching competitor pages, docs, pricing, or any public web page.