Definition
Scraper reliability score is a per-vendor metric, typically expressed as a percentage, that captures what share of requests return valid, parseable results over a representative workload, accounting for challenges, empty responses, and parsing failures.
In Depth
Raw success rate inflates with retries, so reliability scoring now measures first-attempt success, with and without Cloudflare-protected targets broken out. In 2026, teams publish internal dashboards comparing Scavio, Bright Data, ScraperAPI, and others on this metric. Scavio publishes a 99.2% first-attempt rate on Google and tracks it as a north-star reliability metric.
Example Usage
The infra team rebuilt vendor comparison around scraper reliability score and switched their primary to Scavio after six weeks of data.
Platforms
Scraper Reliability Score is relevant across the following platforms, all accessible through Scavio's unified API:
- amazon
- walmart
- youtube