PafCore vs Uptime Monitor

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PafCore compared with Uptime Monitor
Detail	PafCore	Uptime Monitor
What it does	Find what is slowing your website down to the file, then prove the fix worked	Know the second your site goes down
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Free: score, slow file, and a few problems; three checks daily. $5 for 20 credits (lab checks, verify fixes, file lookup, image download, code to paste). Pro Watch $19/mo includes 20 pages monitored, alerts, certificate warnings, 60 monthly credits. Agency $12 per site/month for up to 25 sites.	Free: 50 monitors, all 9 monitor types, 5-minute checks, email/webhook/Slack/Discord alerts, no credit card required. Add-ons: $25/month for 5 additional notification contacts, $50/month for 50 additional monitors, $25/month for Server Monitoring (disk, CPU, memory). Pro plan in development with 1-m
Key features	Three-run performance measurement to distinguish real gains from score variance Identifies specific slow file causing performance issues Ranks fixes by potential performance point impact SSL certificate and domain expiry warnings CLI, MCP, and API access Headless Chrome testing on simulated slow 4G connection Scheduled daily or hourly performance checks with score history	HTTP and HTTPS monitoring with status codes and response time tracking Keyword monitoring to detect content changes or missing text Ping monitoring for server reachability Port monitoring for TCP services and custom ports Heartbeat monitoring for cron jobs and background workers SSL certificate expiry warnings before HTTPS breaks DNS record monitoring for hijacking and changes Content change detection with line-by-line diffs Alerts via email, Slack, Discord and webhook REST API and MCP server for programmatic access
What makes it different	Names the specific file causing slowness instead of generic checklists Three runs measure real performance gains vs random score movement Works from web, terminal, Cursor editor, or API without switching tools	9 monitor types on free plan including HTTP, keyword, ping, port, heartbeat, SSL, domain, DNS and content change detection 50 free monitors with no credit card required Two-failure confirmation prevents false alarms from single blips Maintenance windows to pause checks during planned deploys Response time tracking and incident timeline for every outage
Community votes	0	0
DR (Domain Rating by Ahrefs)	26 −1 (down) since last check	23 +7 (up) since last check
Trust Flow (Majestic)	6	1
Citation Flow (Majestic)	28	18
Referring domains (Majestic)	19	3

4 details filled in for both companies.

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