Understand and Optimize Your Website’s Performance

Structure & Audit Reports

Diagnose with confidence

GTmetrix helps you measure user-centric performance
metrics that impact SEO and user experience.

• Instantly assess your site’s Largest Contentful Paint
• (LCP)
• Cumulative Layout Shift (CLS)
• Interaction to Next Paint (INP).

These Core Web Vitals show how fast your content
appears, how visually stable the page is, and how quickly
users can interact. Poor Web Vitals often lead to higher
bounce rates and lower conversion.

Impact-based recommendations

Prioritize What Matters Most

GTmetrix assigns your site a performance score powered
by Google Lighthouse.

This score aggregates various load metrics and provides a
quick way to evaluate how well your site performs. It’s a
great starting point to benchmark and monitor changes
over time.

Waterfall Resource Breakdown

Visualize Loading Behavior in Detail

All key performance indicators in one snapshot.

• Speed Index
• TTI
• TBT
• Fully Loaded Time

Each of these tells part of the story. The GTmetrix
Summary Panel gives you everything you need to
understand site speed at a glance.

Filmstrip & Load Video Replay

Watch Your Site Render, Frame by Frame

Go beyond lab data with the Chrome UX Report.

GTmetrix integrates CrUX field data to help you see how
your website performs in the real world, across different
devices and geographies.

This helps you validate lab results with user based insights.

Layout Shift Highlights

Spot and Fix Visual Instability

All key performance indicators in one snapshot.

• Speed Index
• TTI
• TBT
• Fully Loaded Time

Each of these tells part of the story. The GTmetrix
Summary Panel gives you everything you need to
understand site speed at a glance.

CrUX Real-World Data

Understand What Users Actually Experience

Go beyond lab data with the Chrome UX Report.

GTmetrix integrates CrUX field data to help you see how
your website performs in the real world, across different
devices and geographies.

This helps you validate lab results with user based insights.

Global Test Locations

Test from anywhere in the world

Simulate visitors from dozens of global locations

See how your website loads for real users across different regions and optimize for worldwide performance.

Device & Browser Simulation

See what users experience on every device

Emulate desktop and mobile browsers easily

Test your site as if you were visiting on mobile, tablet, or desktop, and identify performance differences between browsers.

Connection Throttling

Measure speed in real world conditions

Apply network limits like 3G, 4G, or broadband

Check how your site behaves under slower or unstable connections to understand speed and loading issues.

Ad Blocking & JS Controls

Understand the impact of ads and scripts

Disable ads or specific JavaScript functions

Reveal how third party content affects your page load and validate performance in a controlled environment.

Authenticated Testing

Test pages behind logins

Use credentials to access secure areas

Analyze performance for members only sections or
protected dashboards that regular crawlers cannot access.

Custom Headers & DNS

Adapt tests to advanced scenarios

Add headers or DNS rules to replicate custom setups

Validate how your site behaves under special
configurations, APIs, or routing rules.

Scheduled Testing

Automate your performance checks

Run tests daily, weekly, or hourly

Ensure your site stays fast over time without manual effort, and catch regressions early.

Performance Trends

Visualize progress over time

Track performance metrics across days, weeks, or months

See how changes to your site affect speed and stability, and benchmark your improvements with clear graphs.

Custom Alerts

Stay informed when performance drops

Set thresholds and receive instant notifications

Get alerts by email or webhook whenever your site falls below your standards, so you can act quickly.

Export & Share Reports

Collaborate with your team easily

Download or share reports in multiple formats

Export results as PDF or CSV, or share live report links for smooth communication and documentation.

Multi‐User Accounts & Team Roles

Empower your whole organization

Invite multiple users and assign roles to manage access and responsibilities.

Give developers, marketers, or clients exactly what they need—nothing more, nothing less. Organize your team by project or domain and control access through Viewer, Tester, Admin, or Owner roles.

Tags, Filters & Organized Projects

Keep your dashboard clean and scalable

Use tags, folders, and Projects to keep everything where it belongs.

Whether managing 5 or 500 pages, structured organization lets you focus your analysis, prioritize issues, and collaborate efficiently across clients or departments.

Shareable Reports & Collaboration

Keep everyone aligned with accessible results

Share test results via public or private URLs, PDFs, or exports—no login required.

Make it easy to communicate insights to stakeholders, clients, or teammates, even outside your GTmetrix account.

Audit Scheduling & Alert Management

Stay in sync with automated workflows

Set shared alerts and scheduled testing so nothing slips through the cracks.

With real time alerts and team wide visibility, performance regressions are caught early, and action can be taken instantly.