PafCore vs Page Deltas

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 Page Deltas
Detail	PafCore	Page Deltas
What it does	Find what is slowing your website down to the file, then prove the fix worked	AI-powered website change monitoring platform that watches competitor pricing, docs, careers pages, and policy changes
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: 10 monitored URLs, 14-day history, all alert channels, AI filtering/summaries, API/MCP access, unlimited checks (best-effort frequency). Starter: $29/mo for 150 URLs, 30-day history, priority checking. Pro: $79/mo for 1,000 URLs, 90-day history. Business: $199/mo for 5,000 URLs, 365-day histor
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	AI change filtering - LLM filters out noise so only relevant changes trigger alerts AI change summary - LLM-generated summaries explain what changed Multi-channel alerts - Slack, Discord, Teams, email, webhooks Screenshot overlays - Before and after screenshots with each alert REST API and MCP server - Programmatic access and AI agent integration Adaptive checking - Frequency adjusts based on page change cadence Role-based team access - Admin, editor, and viewer permissions History retention - Plan-dependent retention from 14 days to 2 years Priority checking on paid plans - Faster URL monitoring frequency
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	Only changes that matter - AI filters noise from the constant web changes Robust infrastructure - Works with 99% of public web pages No credit card required for free plan - 10 URLs monitored forever Adaptive scheduling - Pages checked based on their change frequency
Community votes	0	0
DR (Domain Rating by Ahrefs)	26 −1 (down) since last check	26 no change since last check
Trust Flow (Majestic)	6	5
Citation Flow (Majestic)	28	24
Referring domains (Majestic)	19	18

4 details filled in for both companies.

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