Baseline created
Store the first accepted observation for the page, field, or region under the selected request context.
External market signals
Website Change Monitoring for the signals that move your market.
Track prices, availability, policies, product details, and selected content across external public pages. Receive structured change records with prior values, current values, page context, and history.
Monitoring use cases
Track the page signals your team can act on.
Choose a structured field, content region, page snapshot, or availability state. Each change stays connected to the page, request context, prior capture, and history.
Structured change
Track the values your workflow can act on.
Define fields such as price, availability, title, date, seller, or status and compare normalized values across captures.
- Stable page and field identity
- Prior value, current value, and capture times
- Explicit missing and unavailable states
Monitoring plan
Turn a URL list into precise, useful change signals.
Define the page identity, request context, fields or regions, baseline, cadence, and state rules once. The resulting records arrive in a consistent format your team can review or automate.
- page identity
- Source URL, page family, entity key, and active scope.
- request context
- Market, locale, device, viewport, and other required inputs.
- defined fields
- Named values with types, normalization, and missing-state rules.
- content region
- Selected text, link, or module with a stable comparison identity.
- comparison policy
- Baseline, tolerance, meaningful change, retries, and suppression rules.
- delivery
- History window, alerts, record format, destination, and recipients.
Reduce alert noise. Monitor the smallest stable field or content region that supports the business action, then retain the surrounding snapshot only when reviewers need it.
Change-state model
Give every capture a state your automation can trust.
New content, meaningful changes, stable values, unavailable pages, failed requests, and excluded records remain distinct—so downstream alerts and reports behave predictably.
Meaningful difference found
Receive prior and current values, capture times, and the comparison rule behind the event.
Value remains stable
Confirm a successful observation without generating an unnecessary change alert.
Page or object not observed
Keep the request outcome and last accepted observation available for review.
Collection did not complete
Keep a retrieval or extraction failure separate from a genuine content removal.
Outside the active monitor
Record an intentional scope or filtering choice instead of silently dropping the item.
History and alerts
Send every change with the evidence needed to act.
Each alert identifies the page, changed field or region, prior and current values, baseline, request context, and collection state.
Review the full sequence behind the alert.
Link each accepted change to its prior state instead of overwriting the baseline.
- Capture 18Observed · baseline · value €119
- Capture 19Changed · current value €109 · alert created
- Capture 20Unchanged · current value remains €109
Delivery options
Run the monitor yourself or receive maintained change data.
Choose proxy infrastructure for full control, web access APIs for maintained retrieval, scheduled change records for recurring analysis, or Managed Data for an operated monitor.
Maximum control
Build and run the monitoring system.
WebScrapingAPI supplies proxy access. Your team owns page requests, rendering, extraction, comparison, history, maintenance, alerting, and downstream response.
ResponsabilitéPropriétaire
Proxy network accessWSA
Page requests and render behaviorVotre équipe
Field and content-region extractionVotre équipe
History, quality, and source-change maintenanceVotre équipe
Alerts, escalation, and decisionsVotre équipe
For teams with their own collectors and observability stack.
Explore proxy infrastructureFrom page list to live monitor
Calibrate on real pages, then expand with confidence.
Prove the field or region, baseline, state rules, history, and alert format across representative page families first.
- 01 · choisir
Select priority pages.
Start with representative page families and the market, locale, or device context required.
- 02 · define
Name the signals.
Set fields, regions, normalization, meaningful-change rules, and the baseline.
- 03 · compare
Review a sample history.
Inspect changed values, stable captures, unavailable pages, and collection failures.
- 04 · connect
Route alerts or records.
Select the cadence, history window, recipients, destination, and operating model.
Common questions
Plan your website change monitor.
Understand the signals, states, history, cadence, delivery, and operating ownership before launch.
What is Website Change Monitoring?
Website Change Monitoring tracks defined fields or content regions on selected external public pages and turns meaningful differences into structured change records with prior values, current values, page context, and history.
How is this different from Website Testing & Monitoring?
Website Change Monitoring is separate from testing your own releases: it tracks competitor, supplier, policy, offer, or availability changes across external pages. Website Testing & Monitoring verifies your own public experience across requirements, viewports, journeys, and releases.
What can I monitor on a page?
You can monitor structured fields such as price, availability, title, or date; selected content regions; links; text blocks; or a page-level snapshot. Defining the exact signal keeps unrelated layout movement out of your alerts.
Which change states are available?
A monitoring record can distinguish new, changed, unchanged, unavailable, failed, and excluded states. The state policy defines how redirects, missing fields, blocked requests, removed pages, and intentional exclusions are represented.
How often are pages checked?
Checks can follow the cadence your use case needs. We use representative pages to set the schedule, request context, retry policy, and alert threshold before expanding the monitored set.
How are change alerts delivered?
Alerts or recurring records can be sent to your selected workflow with page identity, changed fields or regions, prior and current values, capture times, change state, and links to retained snapshots when included.
Who maintains monitoring when the source page changes?
With scheduled datasets or Managed Data, WebScrapingAPI maintains source collection, extraction rules, quality monitoring, history, and delivery. With proxy infrastructure or web access APIs, your team controls selectors, comparison logic, schedules, and alerts.
Can I keep a page and change history?
Yes, when history is part of the specification. Records can retain the baseline, subsequent snapshots, defined field values, content-region versions, capture context, and links between prior and current observations.
What should I send for a change sample?
Send representative external pages and name the fields or content regions that matter. Include the target markets, preferred cadence, alert destination, and any comparison rules your team already uses.
Your change sample
Show us the pages. See the change record your team can act on.
Send representative URLs and name the price, availability, policy, product, or content signals you want to track.