Verdict
Choose GTmetrix when
- Technical SEO matters to you. Strong technical performance and Core Web Vitals diagnostics, but not a full technical SEO crawler.
- Measurement & tracking matters to you. Excellent synthetic measurement, monitoring, history, alerts, and real-user metrics.
- Agent readiness level matters to you. A current MCP server and REST API make testing agent-callable, but the product does not execute site fixes or retain business context.
- Ease of use and autonomous level matters to you. Agents can automate testing and analysis, but fixes still require external execution and API credits.
Verdict
Choose Help a Reporter Out (HARO) when
Help a Reporter Out (HARO) does not lead by two points on any criterion. Compare price and workflow fit.
These tools solve different jobs. Scores are shown against each tool's own category, so the overall grades are not directly comparable. How grades work.
Read the full reviews: GTmetrix and Help a Reporter Out (HARO).