Website Change Detection: How to Track What Changed and When
Know exactly what’s different on your website—new pages, removed content, modified text—without manually checking.
Something changed on your website. Maybe a page was edited. Maybe content disappeared. Maybe someone added something that shouldn’t be there.
The problem is, you don’t know what changed, when it changed, or who changed it. Without a record of changes, you’re flying blind.
Website change detection solves this by crawling your site regularly, comparing each version to the last, and telling you exactly what’s different. Think of it as version control for your website’s content.
Why Change Detection Matters
Tracking changes on your website isn’t just nice to have. It’s essential for several reasons:
Security
Detect website defacement, injected content, or unauthorized changes that could indicate a breach.
Quality Assurance
Catch accidental content deletions, broken pages, or unintended changes before customers do.
Compliance
Maintain records of what content was live and when—critical for legal, financial, or regulatory requirements.
Content Audits
Track how your site evolves over time. See what pages are added, updated, or removed.
How Website Change Detection Works
Crawling
The tool visits your website and discovers all the pages, following links just like a search engine would.
Snapshotting
Each page’s content is captured and stored as a snapshot—a record of what the page looked like at that moment.
Comparison
On subsequent crawls, the tool compares each new snapshot to the previous one, identifying what’s different.
Alerting
When changes are detected, you get a notification with details about what changed.
Types of Changes You Can Track
A good change detection system catches different kinds of changes:
New Pages
A page exists that wasn’t there before. Useful for tracking content additions or detecting unauthorized pages.
Removed Pages
A page that existed is now gone. Catch accidental deletions or track content being retired.
Content Changes
Text, images, or structure on a page has changed. Page monitors track specific URLs for any modification.
Keyword Appearances
A specific word or phrase has appeared or disappeared. Great for brand monitoring or tracking mentions.
Setting Up Change Detection
Here’s how to start tracking changes with SiteRooster:
Add your website
Enter your site’s URL. SiteRooster will begin by crawling your site to discover its pages and establish a baseline.
Run an initial crawl
The first crawl indexes your site’s pages. This becomes your baseline—future crawls will compare against it.
Add page monitors (optional)
For specific pages you want to track closely, add Page Monitors. You’ll be alerted whenever these specific URLs change.
Add keyword monitors (optional)
Track specific terms by setting up Keyword Monitors. Get alerted when certain words appear or disappear from pages.
Set your crawl frequency
Choose how often to re-crawl: weekly for general oversight, daily for more active sites, or hourly for critical monitoring.
Start with a baseline crawl
Before you can detect changes, you need a starting point. Run your first crawl, review the indexed pages, then future crawls will show you what’s different.
Real-World Use Cases
Security Monitoring
Detect website defacement, injected spam links, or unauthorized content changes that could indicate your site’s been compromised.
Content QA
Catch accidental content changes, deleted pages, or unintended edits before they affect customers.
Regulatory Compliance
Maintain a record of what content was live and when—useful for legal requirements or regulatory audits.
Multi-Author Oversight
When multiple people edit your site, change detection provides visibility into what’s being published without micromanaging.
Free vs Paid Change Detection
| Feature | Free | Small ($9/mo) | Medium ($29/mo) |
|---|---|---|---|
| Pages crawled | 10 | 100 | 5,000 |
| Page monitors | 1 | 10 | 50 |
| Keyword monitors | 1 | 10 | 50 |
| Crawl frequency | Weekly | Daily | Hourly |
| Email alerts | ✗ | ✓ | ✓ |
| SMS alerts | ✗ | ✗ | ✓ |
The free plan gives you a taste of change detection—enough to monitor a small site or a handful of critical pages. Paid plans unlock deeper crawling, more monitors, and faster detection.
Know What Changed, When
Your website is constantly evolving—content updates, new pages, edits, deletions. Without change detection, you’re trusting that everything is fine without actually knowing.
Change detection gives you visibility. You’ll know when something changes, what changed, and when it happened. Whether it’s a security issue, an accidental deletion, or just keeping track of your content evolution, you’ll have a record.
Set up your baseline crawl today and start tracking what changes on your site.
Start Tracking Changes
Add your site and run your first crawl. Free plan includes 10 pages and 1 monitor.
Get Started Free