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Tool comparison
Both tools graded on the same fifteen criteria. The verdict lists the criteria where one tool leads the other by two points or more.
Verdict
Verdict
Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
STAT Search Analytics
Very deep SERP and competitor research, including full HTML results and 75+ feature types.
Read the full reviews: STAT Search Analytics and WebPageTest.
The platform says STAT parses and analyzes everything in the 100-result SERP; SERP feature tracking lists 75+ features and the daily page promises full HTML SERPs: https://getstat.com/platform and https://getstat.com/serp-features
WebPageTest
Deep page-performance diagnosis, but no keyword, SERP, competitor, backlink, or market research workflow.
WebPageTest diagnoses DNS, TCP, TLS, loading, rendering, and Core Web Vitals for tested pages. https://www.webpagetest.org/
Keyword research quality for SEO content
Discovery
How well the tool identifies, qualifies, clusters, and prioritizes keywords specifically for SEO content creation.
STAT Search Analytics
Strong keyword expansion and prioritization, but not a full standalone keyword-intelligence suite.
STAT says its Moz Keyword Explorer integration provides 1.25 billion quality-vetted keywords, with sorting by volume/relevancy and filtering: https://getstat.com/keyword-suggestions
WebPageTest
No keyword discovery or keyword-volume workflow is documented.
The official product pages describe performance tests, Core Web Vitals, and diagnostics, but provide no keyword-research feature. https://www.webpagetest.org/
Content execution
Execution
How well the tool helps produce, optimize, or operationalize SEO content.
STAT Search Analytics
It informs content format and opportunity choices, but does not document content drafting or optimization execution.
The official SERP page says STAT identifies content formats and keywords worth pursuing; it does not claim writing or editing: https://getstat.com/serp-features
WebPageTest
No content briefing, generation, or optimization workflow is documented.
The pricing feature list covers testing, Lighthouse, Opportunities, scripts, API, and Experiments, not content execution. https://www.webpagetest.org/signup
Context gathering
Grounding
How well the tool gathers the business, competitor, SEO, internal, third-party, and custom API context needed for differentiated recommendations and content.
STAT Search Analytics
Excellent search-context capture across SERP layouts, features, locations, devices, competitors, CPC and volume.
The daily page says STAT supplies the full HTML SERP, CPC, search volume and daily data at scale; the share-of-voice page adds competitors and multiple market/segment views: https://getstat.com/daily-tracking-analytics and https://getstat.com/share-of-voice
WebPageTest
Grounded in detailed page-load, browser, network, device, and CrUX data, not business or broad SEO context.
Users configure browser, region, device, and connection for performance tests and can compare lab and field metrics. https://www.webpagetest.org/webvitals
AI-search / GEO
Visibility
How directly the tool helps teams improve visibility in AI answer engines and citation-oriented search journeys.
STAT Search Analytics
Native AI-search visibility measurement covers prompts, engines, mentions, citations, sentiment and competitors.
The AI visibility page documents prompt generation, ChatGPT/Gemini/AI Mode monitoring, mentions, position, citations, sentiment and competitor comparison: https://getstat.com/ai-visibility
WebPageTest
No generative-engine optimization feature is documented.
The official pages mention SEO rankings via Core Web Vitals but do not claim generative-search visibility, citation tracking, or AI-search optimization. https://www.webpagetest.org/
GEO readiness
Visibility
How ready the tool is for generative engine optimization: answer-engine visibility, citation likelihood, AI-search prompt surfaces, and content structures that AI systems can use.
STAT Search Analytics
Strong current GEO measurement and insight readiness; optimization execution remains advisory rather than automated.
STAT says teams can assess AI responses, cited sources and sentiment and use this to shape a GEO content strategy: https://getstat.com/ai-visibility
WebPageTest
No GEO capability in the generative-optimization sense.
The location capabilities are for performance testing geography, not generative-engine optimization. https://www.webpagetest.org/webvitals
Technical SEO
Diagnostics
How strong the tool is for crawling, audits, indexability, metadata, status codes, and technical site health.
STAT Search Analytics
Some technical diagnosis is possible through SERP evidence and segmentation, but no crawler/remediation system is documented.
The official segmentation page gives site-migration and cannibalization monitoring as examples, while the product pages do not claim crawling or automated fixes: https://getstat.com/custom-segmentation
WebPageTest
Very strong Core Web Vitals and page-performance diagnostics.
The homepage explicitly connects WebPageTest to Core Web Vitals and SEO rankings; Tips also lists CrUX, Lighthouse, in-depth metrics, waterfalls, and API/integrations. https://www.webpagetest.org/tips.php
Publishing workflow
Operations
How well the tool moves work into CMS, publishing, approvals, or automated production workflows.
STAT Search Analytics
No built-in CMS publishing or publishing workflow is claimed on the official product pages.
The platform's documented outputs are insights, reports, API and connectors rather than publishing actions: https://getstat.com/platform
WebPageTest
No CMS, editorial calendar, or publishing integration is documented.
The documented integrations are performance-testing/CI workflows rather than publishing workflows. https://www.webpagetest.org/tips.php
Measurement & tracking
Measurement
How well the tool monitors rankings, content performance, visibility, or ongoing SEO progress.
STAT Search Analytics
Core strength: daily rankings, SERP history, feature ownership, share of voice and AI visibility trends.
Daily tracking, historical SERP archive, feature ownership and share-of-voice change measurement are explicitly described: https://getstat.com/daily-tracking-analytics, https://getstat.com/serp-features and https://getstat.com/share-of-voice
WebPageTest
Strong measurement, history, comparisons, and monitoring options.
Starter includes 60 days of history and Professional 13 months, while Professional adds scheduled tests, alerts, dashboards, and monitoring-oriented features. https://www.webpagetest.org/signup
Team collaboration
Operations
How well the tool fits multi-person workflows, agencies, approvals, handoffs, and repeatable processes.
STAT Search Analytics
Strong client/executive reporting and data sharing, though team project-management features are not documented.
STAT provides custom CSV reports, scheduled exports, Looker Studio dashboards and connectors for execs, clients and colleagues: https://getstat.com/reporting-integrations and https://getstat.com/daily-tracking-analytics
WebPageTest
Team seats, Slack results, and pull-request comments support engineering handoffs, without a broad SEO approval workflow.
WebPageTest documents Pro team members, Slack result sharing, and GitHub pull-request comments. https://www.webpagetest.org/tips.php
Value accessibility
Buying
How easy it is for a team to reach value relative to pricing, setup complexity, and required expertise.
STAT Search Analytics
Useful exports/API are included, but access is demo-led and the starting price is $360/month.
The demo page states tracking starts at $360/month for 3,000 keywords and routes users to a one-on-one walkthrough; it also lists complimentary API and connectors: https://getstat.com/demo
WebPageTest
The core speed test is free and can run without an account.
The web-vitals page says users can run a free website speed test with no account, and Starter is listed at $0. https://www.webpagetest.org/webvitals
Free tools
Buying
How useful the tool is before payment through free tools, free plans, trials, or public utilities.
STAT Search Analytics
No free plan or free product tool is claimed on the official pages reviewed.
The official conversion path is a demo request and the published entry point is paid tracking: https://getstat.com/demo
WebPageTest
Free tier includes substantial analysis rather than only a teaser.
Starter includes 150 monthly runs, Lighthouse, Opportunities, Filmstrip and Video, custom scripts, 30 locations, and Carbon Control. https://www.webpagetest.org/signup
Estimated customer scale
Market proof
Estimated customer or user scale based on public claims, with source claims stored separately for auditability.
STAT Search Analytics
No first-party numeric customer-count claim was found, so scale is not scored from logos or testimonials.
The official pages show customer logos and testimonials but do not state a customer count: https://getstat.com/case-studies/client-testimonials
WebPageTest
No numeric first-party customer count was found.
The homepage says it is trusted by top brands and shows logos, but does not state a numeric customer count. https://www.webpagetest.org/
Agent readiness level
Automation
How ready the product is to operate as or inside an AI agent workflow, based on tracked subcriteria for autonomy, controls, integrations, memory, and evaluation.
STAT Search Analytics
API, exports, BigQuery and connectors make STAT automatable as a data source, but no autonomous agent framework is claimed.
STAT explicitly provides an included API, CSV reports, Looker Studio connectors and BigQuery connector: https://getstat.com/reporting-integrations
WebPageTest
APIs, scripting, custom metrics, and CI automation make tests programmable, but no dedicated autonomous SEO agent is documented.
WebPageTest documents API-controlled tests, scripting, GitHub automation, and a Node wrapper. https://www.webpagetest.org/tips.php
Ease of use and autonomous level
Automation
How easy it is for a team to reach useful outcomes, and how much work the product can perform autonomously after setup.
STAT Search Analytics
Automated daily collection, dynamic tags and scheduled reports reduce manual work; strategic actions still require people.
Dynamic tags update from rules and scheduled reports/export/API are documented, but no autonomous SEO execution is claimed: https://getstat.com/daily-tracking-analytics and https://getstat.com/custom-segmentation
WebPageTest
Professional supports scheduled/automated testing and alerts, but not autonomous SEO decision-making.
Professional includes scheduled tests, customizable alerts, API access, and Experiments; the API material describes automation in CI/CD. https://www.webpagetest.org/signup