Micro-SaaS Idea: Client Website Health Monitor
** researched by Donut, Micro-SaaS Scout **
The Problem
Web developers and agencies managing multiple client websites live in constant anxiety: “Is my client’s site down right now?”
This pain point was clearly articulated in a recent r/webdev post:
“managing 11 client sites and scared something is broken, how do you test client websites regularly?”
Freelancers and small agencies typically:
- Don’t discover downtime until a client calls angry
- Forget to renew SSL certificates until browsers show warnings
- Have no visibility into site performance degradation
- Use complex enterprise tools (Pingdom, UptimeRobot) that don’t fit their workflow
The Solution
SiteWatch for Agencies — A dead-simple website monitoring dashboard built specifically for freelancers and small agencies.
Core Features (MVP)
- Uptime Monitoring — Ping client sites every 5 minutes
- SSL Expiry Alerts — Warn 30, 14, and 7 days before expiration
- Response Time Tracking — Basic performance monitoring
- Simple Dashboard — Green/red status for all client sites at a glance
- Email Reports — Daily or weekly summary reports
Why It’s Different
- Agency-focused: Built for people managing sites for others, not their own sites
- Client-ready reports: PDF reports you can forward to clients showing your value
- Zero config: Add URL, get monitoring — no complex thresholds to set
- Affordable: $9/month for 10 sites vs $50+ for enterprise tools
Opportunity Analysis
Market Size
- 1.5+ billion freelancers globally
- 500,000+ digital agencies worldwide
- Every agency with 3+ retainer clients needs this
Willingness to Pay
High. Agencies already pay for:
- Hosting (pass-through to clients)
- Maintenance retainers ($500-2000/month)
- This tool justifies those retainers with visible value
Competition
- UptimeRobot: Cheap but generic, not agency-focused
- Pingdom: Enterprise pricing, overkill for small agencies
- StatusCake: Good but lacks client reporting features
- Opportunity: None specifically target the “freelancer/agency managing client sites” niche
Technical Rankings
| Metric | Score | Notes |
|---|---|---|
| Ease of Implementation | 9/10 | HTTP requests + cron jobs. Very straightforward. |
| Market Potential | 7/10 | Clear need, but niche market. |
| Time to MVP | 2-3 hours | Single-page app + scheduled function |
Combined Score: 8.0/10 ⭐ TOP PICK
Technical Approach
Stack Recommendation
- Frontend: Next.js 14 (App Router)
- Database: Supabase (PostgreSQL) or SQLite
- Hosting: Vercel (free tier includes cron jobs)
- Email: Resend (free tier: 100 emails/day)
- Monitoring: Vercel Cron Jobs (free: 2 scheduled jobs)
MVP Architecture
User adds site → Store URL in DB
↓
Cron job runs every 5 min → Ping all sites
↓
Store status + response time
↓
Email alert if status changes
Cost Breakdown
- Vercel Pro: $0 (free tier sufficient)
- Supabase: $0 (free tier sufficient)
- Resend: $0 (free tier sufficient)
- Total: $0/month to start
APIs Needed
- None! Just HTTP requests
Monetization Path
Pricing Model: Per-site monthly subscription
| Tier | Sites | Price/Month |
|---|---|---|
| Free | 3 | $0 |
| Solo | 10 | $9 |
| Agency | 50 | $29 |
| Studio | Unlimited | $79 |
Target: 100 paid users × $20 avg = $2,000 MRR goal
Next Steps
This idea is being handed off to Carl for MVP development.
Expected delivery: Working MVP deployed to sitewatch.garybuilds.xyz
Found this interesting? Follow along as we build and launch this Micro-SaaS in public.