WebSmitherz vs Darkbox
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
WebSmitherz compared with Darkbox
| Detail | 
WebSmitherz | 
Darkbox |
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| What it does | Free, open-source JSON-LD schema generator for roofing, HVAC, solar, and home service contractors optimized for Google Maps rankings
| The post-apocalyptic file format
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| Stage | Startup
| Not given
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| Founded | 2024
| Not given
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| Based in | US
| IT
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| Pricing model | Free
| Open source
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| Pricing | $0 USD
| Not given
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| Key features | - Generates Google-compliant LocalBusiness JSON-LD markup for multiple contractor types
- Support for emergency hours and geo-coordinates
- 100% Rich Results Validated output
- One-click copy to clipboard functionality
- Platform-agnostic deployment (WordPress, Webflow, HTML)
- MIT-licensed open-source developer library with npm package
- Support for multiple contractor verticals including roofing, HVAC, plumbing, electrical, solar, and general contracting
- Price range categorization options (moderate, mid-to-high, premium)
| - ZIP archives with SQLite databases and JSON manifest
- Offline verification and inspection without the original application
- SQLite integrity and foreign-key checks
- JSON reports for scripts and pipelines
- Application profiles with independent schemas and versions
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| What makes it different | - Specifically engineered for contractor industries (roofing, HVAC, solar, plumbing, electrical)
- Helps dominate Google Maps 3-Pack rankings
- Instant client-side processing with no server dependencies
- Validated output tested with Google's Rich Results Validator
| - Format and application profile documentation included in every file
- Keeps work understandable and recoverable beyond the lifetime of the program
- No network connection required for verification and inspection
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 29 ▲ +1 (up) since last check | 38 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 6 |
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| Citation Flow (Majestic) | 17 | 25 |
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| Referring domains (Majestic) | 15 | 16 |
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5 details filled in for both companies.
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