SiteLetter icon
SiteLetter icon

SiteLetter

Website health monitoring for agencies, with branded client reports backed by daily uptime, Lighthouse, and visual checks.

Build each client's report from toggleable sections, then preview it live. Your logo, colors, and sender name sit on top, and it goes out weekly, bi-weekly, monthly, or quarterly, opening right in the client's inbox with no login.

Cost / License

  • Subscription
  • Proprietary

Application type

Platforms

  • Online
  • Software as a Service (SaaS)
Uptime, Lighthouse, visual, SSL, domain, and asset status for every client site at a glance, so the one that needs attention stands out without opening twenty tabs.
Uptime and response time, SSL and domain expiry, Lighthouse scores, visual changes, and broken assets for a single client site, all on one page.
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Daily full-page screenshots compared side by side. AI classifies each change and flags real regressions, like this broken hero image, while staying quiet on cosmetic noise.
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Features

  1.  No Coding Required
  2.  Website Monitoring
  3.  Ad-free
  4.  Performance Monitoring
  5.  White-labeled
  6.  Uptime Monitoring
  7.  Broken Links Check
  8.  SSL Monitoring

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SiteLetter information

  • Developed by

    LT flagDonatas Petrauskas

  • Licensing

    Proprietary and Commercial product.

  • Pricing

    Subscription that costs from $5 per month.

  • Alternatives

    9 alternatives listed

  • Badge

    Get an embeddable badge for SiteLetter

  • Supported Languages

    • English

AlternativeTo Categories

Network & Admin, Business & Commerce

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SiteLetter was added to AlternativeTo by Donatas Petrauskas on and this page was last updated .

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What is SiteLetter?

SiteLetter is website health monitoring built for agencies that run website care plans. It watches every client site with daily uptime, Lighthouse, SSL, domain-expiry, broken-link, and AI-classified visual-change checks, then rolls the week into a branded report your client actually opens. Each site covers up to 15 auto-discovered pages. Reports carry your agency's logo, colors, and sender name, and go out weekly, bi-weekly, monthly, or quarterly, opening right in the client's inbox with no login. One flat price per site includes every feature, with a 14-day free trial and no credit card.