Signalry vs Speedtest.now
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Signalry compared with Speedtest.now
| Detail | 
Signalry | 
Speedtest.now |
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| What it does | Browser and server SDKs to measure events and send them to advertising and analytics platforms
| Measure download, upload, ping, jitter and packet loss instantly in your browser
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Not given
| Free
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| Pricing | Not given
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| Key features | - Browser SDK (signalry.js) for recording visits, UTM parameters, referrer, consent and user events
- Server-side event sending via REST API with support for purchase, refund and lead events
- Automatic event validation against organization's event catalog
- Event deduplication and automatic delivery to connected platforms
- Automatic page view tracking and single-page app support
- Consent management for advertising and analytics identifiers
| - Download speed measurement in Mbps using parallel streams
- Upload speed measurement
- Ping and latency measurement
- Jitter variation measurement
- Packet loss detection
- Country and ISP speed rankings
- Loaded latency testing under full load
- Weekly speed competition leaderboard
- Free embeddable speed test widget and API
- Anonymous testing without account creation
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| What makes it different | - No Tag Manager or pixels to paste - SDKs handle all platform delivery
- Centralized platform configuration in console instead of code changes
- Server-side event safety ensures purchases are not lost when visitor closes tab or uses ad blocker
- Unified event tracking with same event ID in browser pixel and server copy
- Automatic deduplication prevents double-counting from retries and repeated events
| - Transparent, fully documented methodology that users can read and verify
- Multi-threaded testing to saturate connections and report realistic median throughput rather than peak speeds
- Completely free with no test limits or paywall-locked features
- Measures six key metrics in one test instead of just download speed
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 41 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 15 |
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| Citation Flow (Majestic) | 0 | 28 |
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| Referring domains (Majestic) | 0 | 34 |
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3 details filled in for both companies.
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