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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
These tools solve different jobs. Scores are shown against each tool's own category, so the overall grades are not directly comparable. How grades work.
Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
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/
Read the full reviews: WebPageTest and Whatagraph SEO Reporting Tool.
Whatagraph SEO Reporting Tool
Aggregates SEO source data for reporting, but is not a full SEO research suite.
The SEO reporting page says it connects Search Console, Ahrefs, Semrush, GA4 and other SEO platforms and reports on rankings, traffic and backlinks: https://whatagraph.com/seo-reporting-tool
Keyword research quality for SEO content
Discovery
How well the tool identifies, qualifies, clusters, and prioritizes keywords specifically for SEO content creation.
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/
Whatagraph SEO Reporting Tool
Weak, source-dependent keyword visibility; no native keyword-discovery workflow is described.
The official Semrush connector lists search terms and keyword-position metrics, but presents them as imported Semrush data: https://whatagraph.com/integrations/semrush
Content execution
Execution
How well the tool helps produce, optimize, or operationalize SEO content.
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
Whatagraph SEO Reporting Tool
No content briefs, writing, optimization recommendations or publishing are claimed.
The SEO product page describes connecting, blending, reporting, analyzing and sharing SEO data, with no content execution feature: https://whatagraph.com/seo-reporting-tool
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.
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
Whatagraph SEO Reporting Tool
Good cross-channel and custom-data context for reporting, not broad web/context research.
Whatagraph says users can blend Search Console with GA4, Ahrefs backlink data and cross-channel insights: https://whatagraph.com/seo-reporting-tool
AI-search / GEO
Visibility
How directly the tool helps teams improve visibility in AI answer engines and citation-oriented search journeys.
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/
Whatagraph SEO Reporting Tool
No generative-engine optimization or AI-search visibility workflow is claimed.
The SEO page's AI claims are report creation, summaries and metric chat, not optimization for generative engines: https://whatagraph.com/seo-reporting-tool
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.
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
Whatagraph SEO Reporting Tool
No GEO (generative-engine optimization) readiness or citation/answer visibility feature is described.
The official SEO product page focuses on conventional SEO data sources and reporting and does not claim GEO readiness: https://whatagraph.com/seo-reporting-tool
Technical SEO
Diagnostics
How strong the tool is for crawling, audits, indexability, metadata, status codes, and technical site health.
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
Whatagraph SEO Reporting Tool
Limited technical signal through imported Search Console/index coverage data; no audit/crawl system.
The Google Search Console integration explicitly lists index coverage and average position among the data it analyzes: https://whatagraph.com/integrations/google-search-console
Publishing workflow
Operations
How well the tool moves work into CMS, publishing, approvals, or automated production workflows.
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
Whatagraph SEO Reporting Tool
Automated report delivery is not an SEO content-publishing workflow.
Whatagraph automates marketing report creation and delivery; its official pages do not document CMS content publishing or editorial approvals. https://whatagraph.com/
Measurement & tracking
Measurement
How well the tool monitors rankings, content performance, visibility, or ongoing SEO progress.
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
Whatagraph SEO Reporting Tool
Strong reporting and monitoring layer across rankings, traffic, backlinks and blended marketing data.
The SEO page says it connects SEO platforms, blends their data, generates reports and provides AI answers/summaries; GSC also exposes impressions, clicks, CTR and average rank: https://whatagraph.com/seo-reporting-tool ; https://whatagraph.com/integrations/google-search-console
Team collaboration
Operations
How well the tool fits multi-person workflows, agencies, approvals, handoffs, and repeatable processes.
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
Whatagraph SEO Reporting Tool
Strong client-facing collaboration via white labeling, scheduled delivery, live links and shared AI chat.
The SEO page claims white-labeled reports, scheduled email, live links and exports; the MCP page says teams can self-serve plain-language queries: https://whatagraph.com/seo-reporting-tool ; https://whatagraph.com/mcp
Value accessibility
Buying
How easy it is for a team to reach value relative to pricing, setup complexity, and required expertise.
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
Whatagraph SEO Reporting Tool
A free trial is advertised, but the current paid offering is demo-led and enterprise-oriented.
The SEO page offers Start free trial, while pricing lists Max from $812/month billed annually and Prime as Custom: https://whatagraph.com/seo-reporting-tool ; https://whatagraph.com/pricing
Free tools
Buying
How useful the tool is before payment through free tools, free plans, trials, or public utilities.
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
Whatagraph SEO Reporting Tool
No standalone free SEO tool is claimed; only a trial CTA appears.
The SEO page contains a Start free trial CTA but does not describe a free-forever SEO tool: https://whatagraph.com/seo-reporting-tool
Estimated customer scale
Market proof
Estimated customer or user scale based on public claims, with source claims stored separately for auditability.
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/
Whatagraph SEO Reporting Tool
The company publishes a first-party 1,000+ customer/agency-and-brand claim, but no exact customer count.
Whatagraph states it is trusted by 1,000+ marketing agencies and brands around the world: https://whatagraph.com/
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.
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
Whatagraph SEO Reporting Tool
MCP is available for governed external AI querying; IQ Agents are still early access and scheduled workflows are described.
The MCP page says it connects Whatagraph to Claude, ChatGPT and MCP-compatible tools, while the IQ Agents page labels the product early access and describes scheduled/triggered work: https://whatagraph.com/mcp ; https://whatagraph.com/agents-waitlist
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.
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
Whatagraph SEO Reporting Tool
High automation for data refresh, report generation and delivery, but agent actions are partly future/early-access.
The SEO page claims automatic connections, AI-built reports, scheduled delivery and AI summaries; the MCP page labels action-taking CREATE as coming soon: https://whatagraph.com/seo-reporting-tool ; https://whatagraph.com/mcp