WebPageTest offers unmatched performance deep-dives with waterfall charts and filmstrips. PageGuard adds accessibility, SEO, best practices, and automated monitoring with email alerts — starting free.
ADA Title II Deadline: April 24, 2026
State and local government websites must meet WCAG 2.1 AA. WebPageTest provides no accessibility auditing or ADA compliance monitoring. PageGuard monitors accessibility continuously — alerting you before violations occur.
| Feature | PageGuard | WebPageTest |
|---|---|---|
| Pricing | ✓ Free + from $9/mo | Free (limited tests) / Continuous via SpeedCurve from $20/mo |
| Who is it for? | Small businesses, designers, agencies — automated site health monitoring | Performance engineers and developers doing deep speed diagnostics |
| Free tier | Yes — unlimited one-off scans, no signup required | Yes — limited monthly free tests, requires registration for more |
| Accessibility audit (WCAG / ADA) | ✓ Yes — WCAG 2.1 AA scored 0–100 with specific issue list | No — no accessibility audit or WCAG compliance scoring |
| Technical SEO audit | ✓ Yes — meta tags, headings, canonical, structured data | No — no technical SEO audit |
| Performance audit (Core Web Vitals) | Yes — LCP, CLS, FCP scored 0–100 | ✓ Yes — deep waterfall charts, Core Web Vitals, filmstrip timeline |
| Test from multiple global locations | No — single scan point | ✓ Yes — 40+ global test locations (US, EU, Asia, etc.) |
| Waterfall chart & filmstrip | No | ✓ Yes — detailed network waterfall + visual page load filmstrip |
| Scripted / A/B comparison tests | No | ✓ Yes — compare multiple URLs or test scenarios side by side |
| Automated site monitoring | ✓ Yes — weekly or daily scans, email alerts on score drop | No built-in monitoring — requires SpeedCurve integration |
| Email alerts on score regression | ✓ Yes — notified when performance, SEO, or a11y drops | No — no built-in alerting without third-party integration |
| AI-generated plain-English report | ✓ Yes — explains issues in non-technical language | No — highly technical output aimed at engineers |
| Dashboard (multi-site) | ✓ Yes — manage and monitor up to 50 sites from $9/mo | No built-in dashboard for ongoing monitoring |
| ADA Title II compliance monitoring | ✓ Yes — WCAG audit + alert on accessibility regression | No — no ADA compliance monitoring whatsoever |
| Best Practices audit | ✓ Yes — HTTPS, security headers, image optimization, etc. | Partial — focused on performance, not holistic best practices |
Performance + Accessibility + SEO + Best Practices in 30 seconds. No WebPageTest login needed.
Results in ~30 seconds. 4 scores: Performance, Accessibility, SEO, Best Practices.
For ongoing site health monitoring and ADA compliance, yes. PageGuard covers what WebPageTest doesn’t — WCAG 2.1 AA accessibility scoring, technical SEO auditing, automated monitoring with email alerts, and a multi-site dashboard. WebPageTest is superior for one-time deep performance debugging with waterfall charts and filmstrips. Use PageGuard for continuous monitoring; use WebPageTest when you need to diagnose a specific performance problem.
No — WebPageTest does not provide WCAG 2.1 AA compliance scoring, accessibility auditing, or ADA monitoring. It is a performance-only tool focused on load times and network analysis. With the ADA Title II deadline on April 24, 2026, PageGuard provides the WCAG 2.1 AA scoring and continuous monitoring that WebPageTest lacks.
Yes — PageGuard is completely free for one-off website health scans with no signup or credit card required. A single scan returns four scores: Performance (Core Web Vitals), Accessibility (WCAG 2.1 AA), SEO (meta tags, headings, structured data), and Best Practices (HTTPS, security headers). WebPageTest only covers performance. Automated monitoring starts at $9/month.
Yes, they complement each other. Use WebPageTest when you need to debug a specific performance issue — waterfall charts, filmstrip comparisons, third-party resource impact, and multi-location testing. Use PageGuard for continuous monitoring across all four quality dimensions with email alerts when scores drop, WCAG 2.1 AA compliance tracking, and a multi-site dashboard. WebPageTest for debugging; PageGuard for monitoring.