SEO.AI vs WebPageTest: which SEO tool fits your team?

SEO.AI

Provides NLP-driven keyword recommendations, missing-keyword metrics, frequency benchmarks, and search-term discovery.

SEO.AI describes finding customer search terms; its audit page documents NLP keyword recommendations, missing keywords, and average frequency in top results. https://seo.ai/ https://seo.ai/features/seo-audits

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/

SEO.AI

Content creation, optimization, internal-link suggestions, and publishing are core documented capabilities.

The homepage says it creates and publishes pages/articles continuously; the writing page documents one-click articles, internal-link suggestions, and competitor-based optimization. https://seo.ai/ https://seo.ai/features/seo-writing

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

SEO.AI

Some support for using customer/business data and expertise is stated, but the public pages do not document a rich context-ingestion system.

The homepage says content is built on the user's data and shaped by expertise; the terms define user-submitted texts, files, links, images, and other material as User Content. https://seo.ai/ https://seo.ai/terms

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

SEO.AI

Explicitly targets visibility and mentions in ChatGPT, but public documentation does not show a full AI-search measurement or optimization suite.

The homepage says SEO.AI targets Google and ChatGPT and increases chances of being cited in ChatGPT and other AI assistants. https://seo.ai/

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/

SEO.AI

Multilingual operation and AI-assistant positioning provide moderate readiness; implementation details for other answer engines are not documented.

The homepage says the product works across 50+ languages and targets Google and ChatGPT visibility. https://seo.ai/

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

SEO.AI

Only weak/indirect evidence for technical SEO; the public product pages focus on content, publishing, and links rather than crawls or technical remediation.

The official feature navigation exposes SEO audits and content analysis, while the audit description centers on competitor articles, keywords, meta tags, and content length—not site crawling or technical fixes. https://seo.ai/features/seo-audits

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

SEO.AI

Automatic publishing, drafts, in-platform review, email notification, and CMS connections are explicitly documented.

The homepage and FAQ document auto-publishing versus approvals/drafts and connections to WordPress, Webflow, Wix, Squarespace, Shopify, Magento, and other systems. https://seo.ai/ https://seo.ai/support-page

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

SEO.AI

Performance monitoring and backlink/domain-rating tracking are stated, but detailed reporting, attribution, and rank-history specifications are not public.

The pricing page includes performance monitoring; the homepage says users can track new backlinks and Domain Rating. https://seo.ai/pricing https://seo.ai/

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

SEO.AI

Approval/review modes, human support, and agency suitability help collaboration, but roles, permissions, and workflow collaboration are not documented.

The site offers review-before-publish, free human support, and explicitly says agencies/freelancers can use SEO.AI. https://seo.ai/pricing https://seo.ai/support-page

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

SEO.AI

Transparent two-tier monthly pricing and a 7-day trial make access clear, though entry price is not low.

The pricing page publicly lists $149/month Single Site, $299/month Multi Site, 25% annual savings, and a 7-day trial CTA. https://seo.ai/pricing

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

SEO.AI

A seven-day product trial exists, but there is no documented permanent free tier for the SEO.AI agent.

The terms define a one-time, seven-day subscription trial, while the pricing page presents paid monthly plans. https://seo.ai/terms https://seo.ai/pricing

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

SEO.AI

No numeric customer-count estimate is published in the fetched official product material.

The official FAQ says many customers are agencies, but gives no count; therefore no scale credit is assigned. https://seo.ai/support-page

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/

SEO.AI

The exact product is explicitly marketed as an AI SEO agent that continuously scans, plans, writes, publishes, links, and monitors.

The homepage calls SEO.AI an AI SEO agent and says it works 24/7 in the background across planning, content, publishing, backlinks, and monitoring. https://seo.ai/

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

SEO.AI

Very strong autonomy: installation is described as taking 10 minutes, with auto mode and no SEO team required.

The homepage says it is installed in 10 minutes, runs on autopilot, and can be switched to auto mode; the FAQ says no developers are needed. https://seo.ai/ https://seo.ai/support-page

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