Tell PageDiff what to watch in plain English. It checks on your schedule and uses AI to tell you what changed — and why it matters. Alerts by email, Slack, Discord, or webhook.
Enter any URL and get a live snapshot in seconds.
Describe it in plain English ("tell me when the pricing or headline changes"), or watch the whole page.
On your schedule, PageDiff catches changes and sends a plain-language summary of what changed and why it matters — by email, Slack, Discord, or webhook.
Reads every change, writes a plain-language summary, and scores how significant it is — so you're not pinged for a reordered footer.
No brittle CSS selectors or XPath. Describe what counts as a change, and get alerted only when it actually happens.
Compare side-by-side text, pixel-level visual, and raw HTML — see exactly what moved.
Email, Slack, Discord, or a signed webhook. Add CC recipients and set a significance threshold so only meaningful changes reach you.
A few of the things teams keep an eye on with PageDiff:
feature updates, messaging, positioning shifts
ToS, privacy policies, and documentation changes
release notes, blog posts, news updates
government, legal, and standards pages
new roles, removed listings, hiring signals
competitor campaigns and pricing-page copy changes
See any page work before you create an account — no signup, no credit card.
Snapshots are tied to your account, never shared or sold. Delete a monitor or your whole account anytime.
Security →No contracts, no cancellation fees; keep access through the period you've paid for.
Pricing →To monitor a page you'll need a plan, which requires a card — Starter includes a 14-day trial; Pro and Business bill immediately. You can preview a page first without an account.
Any public web page — the whole page or a specific part — and you describe in plain English what counts as a change.
From hourly to daily on Starter, as often as every 15 minutes on Pro and every 5 minutes on Business.
It reads each change, summarizes it in plain language, and scores its significance so you're alerted to what matters.
Your snapshots are private to your account and never shared or sold; delete a monitor or your account anytime. Security →
Yes — no contracts or cancellation fees. Cancel whenever you like and keep access through the period you've paid for.
Tell PageDiff what to watch in plain English, and get an AI summary of what changed — and why it matters — by email, Slack, Discord, or webhook.
Try it now →