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GTmetrix vs XnView

Professional comparison and analysis to help you choose the right software solution for your needs.

GTmetrix icon
GTmetrix
XnView icon
XnView

GTmetrix vs XnView: The Verdict

⚡ Summary:

GTmetrix: GTmetrix is a free online tool that analyzes web pages for performance, providing a performance score and recommendations to improve speed.

XnView: XnView is a free image viewer, converter and editor for Windows. It supports over 500 image formats and has basic editing features like resizing, cropping, color adjustments, annotations, and more. XnView is lightweight, customizable and easy to use.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature GTmetrix XnView
Sugggest Score — —
Category Web Browsers Photos & Graphics

Product Overview

GTmetrix
GTmetrix

Description: GTmetrix is a free online tool that analyzes web pages for performance, providing a performance score and recommendations to improve speed.

Type: software

XnView
XnView

Description: XnView is a free image viewer, converter and editor for Windows. It supports over 500 image formats and has basic editing features like resizing, cropping, color adjustments, annotations, and more. XnView is lightweight, customizable and easy to use.

Type: software

Key Features Comparison

GTmetrix
GTmetrix Features
  • PageSpeed and YSlow analysis
  • Waterfall charts
  • Page resources breakdown
  • Performance recommendations
  • Customizable performance thresholds
  • PageSpeed API integration
  • HAR file downloads
  • Page screenshots
  • Email reports
XnView
XnView Features
  • Supports over 500 image formats
  • Basic image editing tools
  • Batch processing
  • Metadata editing
  • Plugins and extensions
  • Customizable interface
  • Fast and lightweight

Pros & Cons Analysis

GTmetrix
GTmetrix

Pros

  • Free and easy to use
  • Detailed performance insights
  • Actionable optimization recommendations
  • Customizable performance thresholds
  • Integrates with other tools via API
  • Can monitor website changes over time

Cons

  • Limited number of free tests per month
  • No browser testing
  • No visual web optimization
  • No A/B testing capabilities
  • Only provides recommendations, not fixes
XnView
XnView

Pros

  • Free and open source
  • Supports many image formats
  • Easy to use interface
  • Fast and lightweight
  • Good basic editing tools
  • Customizable via plugins
  • Available for Windows, Linux and Mac

Cons

  • Limited advanced editing features
  • Fewer features than paid alternatives
  • Somewhat dated interface
  • Lacks cataloging or organization tools

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Learn More About Each Product

GTmetrix
GTmetrix
Reviews, pricing & alternatives →
XnView
XnView
Reviews, pricing & alternatives →

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