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GTmetrix tells you how fast your website performs and helps you discover opportunities for improvement.
GTmetrix is a strong technical web-performance and Core Web Vitals diagnostic product, not a complete SEO suite. Its current differentiators are global synthetic testing, actionable Lighthouse/Structure audits, monitoring, API access, and the new MCP bridge into AI tools.
GTmetrix is a web-performance testing and monitoring platform. It runs Lighthouse-based tests from global locations and reports Web Vitals, Lighthouse metrics, GTmetrix Grade, Performance and Structure scores, waterfall/request data, filmstrip or video views, audits, CrUX real-user metrics, alerts, historical trends, API access, and AI-assisted workflows through its MCP server.
Good fit for Website owners, developers, marketers, agencies, and performance/DevOps teams that need synthetic page-speed testing, actionable front-end performance audits, global test scenarios, monitoring, and API/AI workflow integration
Free access is available; paid GTmetrix PRO plans currently range from $4.99 to $49.99 per month when billed yearly, with a custom Enterprise quote option.
Free/Basic
$0
Free
Free GTmetrix access and trial API credits
Basic/free access; API documentation says Basic/Free users receive 5 trial API credits
Lite
$4.99
per month, billed yearly
The basics to start a performance journey
50 monthly on-demand tests; 1 monitored slot; daily/weekly/monthly monitoring; 5 test locations; 1 month data retention; 10 trial credits shown
Core
$9.99
per month, billed yearly
Minimal plan with more features and on-demand tests
150 monthly on-demand tests; 3 monitored slots; daily/weekly/monthly monitoring; 10 test locations; 6 months data retention; 10 daily API credits
Advanced
$24.99
per month, billed yearly
Deeper insights, more monitoring, and global reach
Unlimited* on-demand tests; 10 monitored slots; hourly/daily/weekly/monthly monitoring; 25 test locations; 6 months data retention; 50 daily API credits
Expert
$49.99
per month, billed yearly
Maximum monitoring, on-demand testing volume, API capacity, and team functionality
Unlimited* on-demand tests; 50 monitored slots; hourly/daily/weekly/monthly monitoring; 25 test locations; 12 months data retention; 5 team seats; 100 daily API credits
Enterprise
Custom quote
Custom
Highest test queue priority, priority support, white-label PDF reports, and manual invoice/PO processing
Customized GTmetrix PRO plan
Last verified September 2026 against gtmetrix.com/pricing.html. Vendors change packaging often; confirm before buying.
Scorecard
3.1/5 overall, weighted for Technical SEO tools. How grades work.
Deep performance diagnostics, but not SEO research depth.
GTmetrix documents Lighthouse reports, waterfalls, request details, audits, and report resources, but its feature set is web-performance research rather than keyword/competitor SEO research: https://gtmetrix.com/features.html
No keyword research product is documented.
The official feature page describes Web Vitals, CrUX, page composition, audits, and requests, with no keyword database or keyword research workflow: https://gtmetrix.com/features.html
Strong page/request and lab context; no company or editorial context layer.
Reports include page composition, request/response details, CDN cache status, IP, domains, and filterable request data: https://gtmetrix.com/features.html
Competitor context
Comparisons are performance-report comparisons; no SEO competitor intelligence layer is documented.
Does not create, optimize, or publish content.
GTmetrix describes performance audits and optimization opportunities, not content generation or editing: https://gtmetrix.com/features.html
No search-generative-experience or answer-engine optimization feature is documented.
The current MCP documentation describes performance testing, metric analysis, comparisons, and recommendations, not AI-search visibility measurement: https://gtmetrix.com/blog/gtmetrix-mcp/
Strong technical performance and Core Web Vitals diagnostics, but not a full technical SEO crawler.
GTmetrix measures Web Vitals, Lighthouse metrics, structure audits, layout shifts, slow JS/CSS, oversized resources, and page delivery practices: https://gtmetrix.com/features.html
No CMS publishing workflow is documented.
The API documentation covers testing and report retrieval rather than editing or publishing website content: https://gtmetrix.com/api/docs/2.0/
Excellent synthetic measurement, monitoring, history, alerts, and real-user metrics.
GTmetrix supports automated monitoring, historical graphs, alerts, Web Vitals, Lighthouse metrics, and CrUX history: https://gtmetrix.com/features.html
A current MCP server and REST API make testing agent-callable, but the product does not execute site fixes or retain business context.
GTmetrix's MCP can start tests, retrieve reports, analyze metrics, compare history, and recommend fixes; site remediation remains outside the product. https://gtmetrix.com/blog/gtmetrix-mcp/
Agentic workflow coverage
Free entry point and relatively low-cost paid tiers provide accessible performance testing.
The official pricing page presents a free start and paid Lite pricing of $4.99/month billed yearly, alongside higher tiers: https://gtmetrix.com/pricing.html
First-party figures indicate substantial adoption and enterprise reach.
GTmetrix's About page states 1,500,000+ registered users and 10,000+ enterprise accounts: https://gtmetrix.com/about.html
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Internal company data
No official feature evidence of grounding in internal company or first-party business data.
SEO data grounding
Grounded in Lighthouse, Web Vitals, CrUX, and page-performance data, but not broad SEO datasets.
Third-party app grounding
CrUX is a documented external dataset, but broad third-party app connectors are not documented.
Custom API grounding
The REST API exposes tests, reports, pages, locations, browsers, devices, and account status.
Global test locations are not GEO/AI-search readiness scoring.
GTmetrix provides geographic performance test servers, while its official locations page does not describe generative-engine optimization: https://gtmetrix.com/locations.html
Some team and reporting support, but limited evidence of broad collaborative SEO workflows.
The Expert plan includes five team seats and the pricing page lists white-label PDF reports as an Enterprise option: https://gtmetrix.com/pricing.html
MCP covers test execution, retrieval, analysis, comparison, and recommendations within page performance.
Autonomous execution
Scheduled and API-triggered tests automate measurement, not site fixes.
Human control and review
Reports and alerts support human review; no separate agent approval system is documented.
Integration surface
REST API, OpenAPI specification, libraries, and MCP expose the testing workflow.
Memory and persistent context
Report history preserves page-performance context, not durable business or decision memory.
Evaluation and feedback loop
Retesting, history, monitoring, and alerts show performance changes over time.
Agents can automate testing and analysis, but fixes still require external execution and API credits.
GTmetrix MCP supports chained testing, retrieval, comparisons, and recommendations; the same page says actions consume API credits and describes CI/CD integration rather than native site editing: https://gtmetrix.com/blog/gtmetrix-mcp/
Provides meaningful free page testing, with paid limits for scale.
The site offers free start access and the API documentation says Basic/Free users receive five trial API credits: https://gtmetrix.com/api/docs/2.0/