Website Change Detection Tool

Monitor website changes with clean and accurate text-based detection.

What is website change detection?

Website change detection is the process of automatically checking a webpage at regular intervals and alerting you when the content changes.

It is used to track price updates, job postings, product availability, government notices, documentation updates, news edits and more.

Most tools rely on screenshots or heavy browser rendering, which leads to noise and false alerts.

Monitoraa uses a lightweight text extraction system that focuses only on meaningful content.

Why text-based detection is better

Screenshot-based detection often produces false alerts caused by layout shifts, ads, timestamps or dynamic widgets.

Monitoraa avoids these issues by extracting text only and removing dynamic elements.

  • Fewer false positives.
  • Faster checks.
  • Smaller data footprint.
  • Better privacy.
  • Lower operating cost.
  • More stable performance.

How Monitoraa detects website changes

  1. 1Fetch the page.
  2. 2Extract essential text.
  3. 3Remove dynamic elements.
  4. 4Compare to previous version.
  5. 5Notify you when meaningful changes occur.

What you can monitor

  • Product or price changes.
  • Job listings and career pages.
  • Government announcements and tenders.
  • Classified ads on Tori, Craigslist, Leboncoin and others.
  • Documentation and API reference updates.
  • News or blog edits.
  • Product availability alerts.
  • Policy and compliance updates.

Why choose Monitoraa

  • Clean text-based detection.
  • Minimal false positives.
  • Fast performance.
  • Lightweight and stable.
  • More affordable than Visualping, Distill.io, ChangeTower and ChangeDetection.io hosted service.
  • Simple to use.
  • Multilingual interface.
  • Fully hosted solution.

Comparing Monitoraa to popular tools

  • Visualping (screenshot based, more expensive).
  • Distill.io (selector and browser based).
  • ChangeTower (complex rule engine).
  • ChangeDetection.io hosted version (higher cost).

Use cases by category

Personal use

  • Product restocks.
  • Travel or accommodation deals.
  • Application or visa status pages.

Professional use

  • Monitoring competitor pages.
  • Watching price lists or catalog updates.
  • Tracking job boards or contractor listings.
  • Government or tender notifications.

Technical use

  • Documentation updates.
  • Release notes or changelogs.
  • Policy or configuration pages.

Frequently asked questions

How often can I check a page?

Check intervals depend on your plan.

Do you detect visual differences?

No. Monitoraa focuses on meaningful text changes.

Do you store screenshots?

No. Only extracted text is processed.

Can I monitor many pages at once?

Yes. Monitoraa is designed to scale efficiently.

Is there a free plan?

Yes. You can start monitoring with the free plan.

    Website Change Detection Tool