changedetection.io

Name: changedetection.io
Brand: changedetection.io

Monitor website changes instantly and get real‑time alerts

softwareWeb AnalyticsWebsite MonitoringChange DetectionWeb Scraping

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Our Verdict

Best for

Researchers and devs needing instant web‑page change alerts

Skip if

Users requiring deep analytics or native mobile app

What is changedetection.io?

changedetection.io lets you track visual or textual changes on any web page and notifies you the moment something updates. It works as a cloud‑based service with a simple UI, perfect for researchers needing reliable change detection without coding. The platform also supports RSS feed monitoring and integrates with popular collaboration tools, making it easy to stay informed. The freemium model provides unlimited monitors for personal use, while paid plans add advanced scheduling, API access, and priority support. With Slack and Discord integrations, you can push notifications directly to your team channels, ensuring that critical updates are never missed.

SpecificationsAI-estimated

deploymentCloud/SaaS

open source✅ Yes

github stars32,467

api available✅ Yes

support optionsEmail, Live Chat

key integrationsSlack, Discord

primary languagePython

Key Features of changedetection.io

Detect visual and text changes on any publicly accessible web page with pixel‑perfect diff view.

Set up custom polling intervals ranging from minutes to hours to balance speed and resource usage.

Receive instant notifications via email, Slack or Discord when a change is detected.

Generate RSS feeds for monitored pages to aggregate updates in your favorite reader.

Use the built‑in API to programmatically add, edit, or remove monitors from scripts.

Create conditional rules to ignore insignificant changes and reduce noise.

Export change history as CSV for analysis or reporting purposes.

Run monitors in the cloud with zero setup, or self‑host the open‑source version for full control.

Use Cases for changedetection.io

Academic Research

Track updates to scientific publications, datasets, or policy pages for timely literature reviews.

Competitive Intelligence

Monitor competitor product pages for price or feature changes without manual checks.

DevOps Documentation

Get alerts when API docs or release notes are updated, ensuring teams stay current.

Content Aggregation

Create RSS feeds from dynamic sites to curate news or blog updates automatically.

Pros & Cons of changedetection.io

Pros

Easy-to-use web interface
Real‑time multi‑channel notifications
Flexible scheduling and API
Free tier with generous limits

Cons

Limited advanced analytics in free plan
Self‑hosting requires technical setup
No native mobile app

Frequently Asked Questions

Can I monitor password‑protected pages?

Yes, you can provide HTTP authentication credentials for pages that require basic auth.

Is there a limit on the number of monitors in the free tier?

The free tier allows up to 20 active monitors; paid plans increase this limit.

How does Slack integration work?

When a change is detected, changedetection.io sends a formatted message to a Slack webhook you configure.

Can I export change logs?

Change history can be exported as CSV from the dashboard for offline analysis.

Pricing Overview

View full pricing →

Paid (Subscription)

Monthly Subscription

$8.99/month

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