Blck Alpaca vs ARVX
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Blck Alpaca compared with ARVX
| Detail | 
Blck Alpaca | 
ARVX |
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| What it does | AI readiness check for websites: measures how well AI agents can access, understand and navigate your site
| AI that reads each person first, knows their normal, and remembers every pair
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| Stage | Startup
| Not given
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| Founded | 2024
| Not given
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| Based in | AT
| US
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| Pricing model | Free
| Paid
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| Pricing | Not given
| 43¢ per Reading. First 3 Readings free. Prepaid balance, stops at zero.
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| Key features | - 28 automated checks across access, understanding, discoverability, EU transparency and usability
- Static HTML analysis without JavaScript execution
- AI crawler identifier testing with GPTBot, ChatGPT-User, ClaudeBot, PerplexityBot and Google-Extended
- Rendered page analysis with JavaScript execution comparison
- Observed agent task execution with logging
- Five weighted scoring layers with consequence-based assessment
- Letter grade result from A to F based on rubric version 1.1.3
- Instant results with no registration required
- Checks for robots.txt, sitemap, llms.txt and trust pages
- Optional in-browser JavaScript rendering check
| - Reads individual email history and communication patterns
- Analyzes what has built up between two people over time
- Tracks changes against each person's normal baseline
- Provides color-coded feedback: green, yellow, red across five dimensions
- Predicts likely outcomes with recommended actions
- Includes contextual external factors when provided
- Sealed record system for privacy and historical continuity
- MCP server with Apache 2.0 open source client code
- llms.txt file for agent discovery and integration
- OpenAPI file for tool integration
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| What makes it different | - Weighted scoring model that treats missing features as not applicable rather than failures, preventing unfair penalties
- EU-focused transparency and privacy layer addressing GDPR and consent requirements specific to European compliance
- Versioned rubric that allows results to remain comparable across time
- Real agent task execution logging showing exactly where AI agents get stuck on your site
| - Reads each person individually first, through their own patterns, rather than generic scoring
- Remembers relationship history and shows what changed between readings
- Never returns scores, trait ratings or personality labels on named people
- Simple one-request API integration with no library installation needed
- Privacy-first: sealed records only ARVX can decrypt, keeps nothing about subjects
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 52 ▼ −4 (down) since last check | 12 ▲ +3 (up) since last check |
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| Trust Flow (Majestic) | 15 | 4 |
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| Citation Flow (Majestic) | 33 | 28 |
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| Referring domains (Majestic) | 268 | 24 |
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5 details filled in for both companies.
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