What are the key differences between WebPageTest and Google PageSpeed Insights?

Compare WebPageTest and Google PageSpeed Insights side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are WebPageTest and Google PageSpeed Insights scored?

WebPageTest has an AI score of 8.8/10 and Google PageSpeed Insights has an AI score of 9.2/10. Scores are based on features, user satisfaction, and overall quality analysis.

WebPageTest vs Google PageSpeed Insights 2026 — Compared

WebPageTest

Google PageSpeed Insights

WINNER Google PageSpeed Insights

Google PageSpeed Insights edges ahead with a score of 9.2/10 compared to 8.8/10 for WebPageTest. While both are highly r...

WebPageTest

8.8 Very Good

SAAS Get WebPageTest open_in_new

emoji_events WINNER

Google PageSpeed Insights

9.2 Excellent

Analytics Get Google PageSpeed Insights open_in_new

WebPageTest Free plan available

payments

Google PageSpeed Insights Free plan available

psychology AI Verdict

Google PageSpeed Insights edges ahead with a score of 9.2/10 compared to 8.8/10 for WebPageTest. While both are highly rated in their respective fields, Google PageSpeed Insights demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Google PageSpeed Insights

verified Confidence: Low

Ready to decide? Get Google PageSpeed Insights arrow_forward

description Overview

WebPageTest

WebPageTest is the most advanced performance testing tool available. It offers granular control over test parameters, including specific browser versions, connection speeds (e.g., 3G, 4G), and even the ability to run tests from specific devices. It is the tool of choice for performance engineers who need to debug complex loading issues. While it has a steeper learning curve than other tools, the d...

Google PageSpeed Insights

While not an optimization tool itself, Google PageSpeed Insights is the definitive diagnostic tool for web performance. It provides the exact data Google uses to rank your site, including Core Web Vitals. It offers actionable advice on how to improve your LCP, CLS, and INP scores. Every optimization strategy should begin and end with a check here. It is the gold standard for understanding how your...