What other tools charge you for,
and what we don't.
A side-by-side look at the pricing tropes we left behind.
Sized for your roster
Drag to count the clients on your care plan. Each site covers up to 15 pages.
Most monitoring tools price per page. 15 pages of daily Lighthouse and visual change detection elsewhere is typically $50 to $80/mo.
Comparing tools? See SiteLetter vs Oh Dear →
Costs less per client than a single coffee. Saves you the one email you don't want to send.
One price. No add-ons.
Every monitoring service, every reporting feature. Sized for agencies billing care plans. No upgrades to chase, no integrations sold separately, no "talk to sales" buttons.
Bring your whole agency. Scope per client.
- 200 team members on every account
- Up to 15 monitored pages per site
- Group sites by client, share access by role
Know the moment it goes down. Recover fast.
- 1-min checks triangulated across 3 AWS regions
- Instant down & recovery alerts
- All check data stored in the EU
Catch broken hero images before your client does.
- Daily full-page desktop + mobile screenshots
- AI classifies real change vs. dynamic content
- Auto-dismiss banners, ads & carousels
Lighthouse scores trended day-by-day.
- Performance · Accessibility · SEO · Best Practices
- Core Web Vitals (LCP, CLS, FCP, TBT)
- Score drop alerts with custom thresholds
The boring stuff that breaks at the worst time.
- SSL certificate expiry monitoring
- Domain registration expiry alerts
- Broken image & broken link detection
Reports your clients actually open.
- Weekly, bi-weekly, monthly, or quarterly
- Alerts via Email & Slack
- 2-year data retention & history
Frequently asked questions
No. The 14-day trial is completely free with no credit card required. You'll only be asked for payment when you decide to subscribe.
Your scans stop, but all your historical data stays accessible in read-only mode. Nothing is deleted. You can pick up right where you left off by subscribing.
One hostname = one site. For example, example.com is one site. We automatically discover and monitor up to 15 of your most important pages from your sitemap.
We automatically select your top 15 pages by importance (homepage and top-level pages first). For most sites, this covers everything that matters. We're working on custom page selection for the future.
Yes. No long-term contracts - add or remove sites anytime, or cancel entirely. Manage everything from your dashboard or Stripe's portal. You keep access until the end of your billing period.
Yes. Send alerts to any combination of email addresses and Slack channels via Incoming Webhooks.
Still have questions? Contact us
What your monitoring line earns back
Most agencies bill monitoring as a line item on the retainer. With SiteLetter, that line stops costing your time.
Set up your care-plan reporting once.
Close the tab.
SiteLetter is the kind of tool you forget you're using, until your client thanks you for the report you didn't write.
- ✓ 2-minute setup. Add a URL. We auto-discover pages, seed alerts, schedule reports.
- ✓ No scripts to install. We monitor from the outside, like a real visitor.
- ✓ Cancel anytime. No credit card to start, no contract.