PageGuard vs Deno Deploy

Deno Deploy is a serverless edge platform for JavaScript/TypeScript apps — but as a deployment runtime, it has no built-in WCAG accessibility audit, no Core Web Vitals scoring, and no front-end health monitoring. PageGuard audits the live URL of any Deno Deploy application externally — free, no API keys needed, results in 30 seconds.

ADA Title II Deadline: April 24, 2026

State and local government websites must meet WCAG 2.1 AA by April 24, 2026. Government agencies, nonprofits, and educational institutions deploying applications on Deno Deploy face this compliance deadline. Deno Deploy’s edge architecture deploys to 35+ global regions simultaneously — any Fresh Island component change, route handler update, or middleware modification can push front-end accessibility regressions worldwide instantly with no automated quality gate. PageGuard provides continuous post-deployment front-end monitoring without requiring Deno account access or code changes.

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PageGuard
Best for: external health monitoring & WCAG compliance auditing for any Deno Deploy application
  • Free tier — scan any Deno Deploy application instantly, no API keys or Deno account access needed
  • WCAG 2.1 AA accessibility audit of the live rendered HTML including JavaScript-rendered Fresh Island components
  • Core Web Vitals scoring (LCP, CLS, FCP) for Deno Deploy applications served from the edge
  • Technical SEO audit of meta tags, canonicals, structured data, and heading hierarchy
  • Automated monitoring with email alerts on score regression after each deployment
  • Monitor 1–50 sites from $9/month
Deno Deploy
Best for: deploying JavaScript/TypeScript serverless edge functions globally with V8 Isolate Cloud architecture
  • Serverless edge runtime: deploys to 35+ global regions; Isolate Cloud (V8 isolates, no cold starts); sub-millisecond startup times; supports Deno's native APIs (Fetch, Web Crypto, URLPattern, WebSockets); free tier: 1M requests/month, 100GB transfer
  • Built-in infrastructure: Deno KV (globally replicated key-value store with strong consistency); Deno Queues (background job processing); Deno.cron() (scheduled tasks); all without external dependencies
  • GitHub integration: automatic deployments on git push; preview deployments for each pull request; instant rollback; playground for testing without a project; custom domains with automatic TLS via Let’s Encrypt; works natively with Fresh (Deno’s full-stack web framework)
  • No WCAG/ADA audit of front-end HTML for deployed apps
  • No Core Web Vitals scoring for deployed front-end performance
  • No automated accessibility regression alerts after each deployment

Feature Comparison

Feature PageGuard Deno Deploy
What is it? External website health monitor — scans any URL for performance, accessibility, SEO, and best practices Serverless edge deployment platform by the Deno team for JavaScript/TypeScript applications; runs Deno scripts at the edge across 35+ regions; built-in KV storage, Queues, Cron, WebSockets; no cold starts; Isolate Cloud architecture; free tier with 1M requests/month; part of the Deno runtime ecosystem (~93K GitHub Stars for Deno runtime); Deno Deploy launched GA in 2022
Free tier Yes — unlimited one-off scans, no signup required Yes — Deno Deploy free tier includes 1M requests/month, 100GB data transfer, 512MB KV storage, custom domains; paid plans start at $20/month for higher limits; no credit card required for free tier
Accessibility audit (WCAG / ADA) Yes — WCAG 2.1 AA scored 0–100 with specific issue list No — Deno Deploy is a serverless edge deployment platform; it deploys and runs Deno/TypeScript applications at the edge but has no built-in WCAG or ADA accessibility auditing for the front-end HTML output of deployed applications; accessibility quality is entirely determined by the application code deployed
Technical SEO audit Yes — meta tags, headings, canonical, structured data No — Deno Deploy provides no SEO audit scores, meta tag validation, heading hierarchy checks, or structured data analysis; it deploys serverless edge functions but does not inspect or audit application output
Performance audit (Core Web Vitals) Yes — LCP, CLS, FCP scored 0–100 per scan No — Deno Deploy provides no Core Web Vitals measurement (LCP, CLS, FCP, INP) for deployed applications; it manages edge function execution across 35+ global regions but does not measure front-end rendering performance from a user perspective
Deploy serverless edge functions No — PageGuard is a monitoring tool, not a deployment tool Yes — Deno Deploy deploys JavaScript/TypeScript to V8 Isolates at the edge globally in 35+ regions; no cold starts (Isolate Cloud); built-in Deno.openKv() for KV storage; Deno Queues for background jobs; Deno.cron() for scheduled tasks; native WebSockets; automatic HTTPS with custom domains; GitHub integration for automatic deployments; preview deployments for each PR; playground for instant testing
Edge-native architecture No — PageGuard is a centralized SaaS monitoring service Yes — Deno Deploy runs code at the edge near users with Isolate Cloud (V8 isolates instead of containers); no container cold starts; sub-millisecond startup times; built-in Deno KV (globally replicated key-value store with strong consistency); supports Deno's native APIs (Fetch, Web Streams, Web Crypto, URLPattern); works with Fresh framework (Deno's web framework) for full-stack edge apps
Automated website monitoring Yes — weekly or daily scans with email alerts on score drop No — Deno Deploy has no post-deployment front-end health monitoring for WCAG compliance, Core Web Vitals regressions, SEO quality, or best practices for rendered HTML; deployment logs and metrics track invocation counts and errors — not front-end quality
AI-generated plain-English report Yes — explains issues in non-technical language No — no front-end health report for applications deployed on Deno Deploy
ADA Title II compliance monitoring Yes — WCAG audit + alert on accessibility regression No — Deno Deploy does not audit or alert on WCAG compliance for deployed apps; government agencies, nonprofits, and educational institutions deploying web applications on Deno Deploy face ADA Title II compliance requirements; each deployment can push accessibility regressions to 35+ edge regions instantly with no quality gate; TypeScript/Deno applications using Fresh or other frameworks can introduce ARIA issues, keyboard navigation gaps, and missing alt text with every code push
Works on any platform Yes — scans any URL on any front-end or platform No — Deno Deploy only manages applications deployed to its own edge infrastructure; it does not audit sites hosted elsewhere
Independent external audit Yes — third-party scan, shareable URL for clients/stakeholders No — no built-in tool to generate a shareable external front-end health report for a Deno Deploy application
Instant on-demand scan Yes — results in 30 seconds, no code changes needed No — no on-demand front-end health scan; auditing Deno Deploy applications requires separate tools like Lighthouse or axe after each deployment
Multi-site dashboard Yes — 1–50 sites depending on plan Deno Deploy dashboard shows deployments, request metrics, and KV storage across projects; there is no health monitoring dashboard showing WCAG accessibility, SEO, and Core Web Vitals scores across multiple deployed applications
Pricing for health monitoring Free + from $9/mo for automated monitoring Health monitoring not available — Deno Deploy free tier: 1M requests/month; paid plans from $20/month for compute; front-end health monitoring requires a separate tool

Use PageGuard alongside Deno Deploy if you…

  • Run a government, nonprofit, or university web application on Deno Deploy and need ADA Title II WCAG compliance verification before the April 24, 2026 deadline
  • Want automated front-end health checks after each Deno Deploy push to catch accessibility and SEO regressions in Fresh Island components or route handlers before users encounter them globally
  • Need a shareable third-party accessibility report for clients, stakeholders, procurement teams, or grant compliance documentation
  • Manage multiple Deno Deploy applications and want a single dashboard showing WCAG, SEO, and performance scores across all sites
  • Want to complement Deno Deploy’s edge infrastructure with front-end quality monitoring that catches regressions not visible in edge metrics or request logs

Deno Deploy alone is sufficient if you…

  • Only need serverless edge hosting for JavaScript/TypeScript apps without front-end compliance requirements
  • Your deployed apps have no public accessibility compliance obligations or enterprise procurement requirements
  • Front-end WCAG and Core Web Vitals checks are handled by a separate CI/CD quality gate before deployment to production
  • You need globally distributed edge compute for Deno/TypeScript functions — not front-end quality monitoring or compliance reporting

Audit Your Deno Deploy App Free

Get WCAG accessibility scores and Core Web Vitals for any Deno Deploy application. Results in 30 seconds. No API keys, Deno account access, or code changes required.

Results in ~30 seconds. 4 scores: Performance, Accessibility, SEO, Best Practices.

Frequently Asked Questions

Can PageGuard audit a website deployed on Deno Deploy?

Yes — PageGuard scans the live URL of any Deno Deploy application. Enter your app’s .deno.dev URL or custom domain and receive a full health report in ~30 seconds covering Core Web Vitals, WCAG 2.1 AA accessibility, technical SEO, and best practices. No API keys, Deno account access, or application code is required.

Does Deno Deploy check website accessibility compliance?

No — Deno Deploy is a serverless edge platform with no built-in WCAG compliance checking. It runs Deno/TypeScript applications at the edge across 35+ global regions but does not audit the front-end HTML output for accessibility issues. Common problems in Deno Deploy applications include missing alt text on images, improper heading hierarchy in Fresh templates, insufficient color contrast in CSS, missing ARIA labels, and keyboard navigation gaps in Island components. PageGuard audits your live Deno Deploy application and provides a WCAG 2.1 AA score with specific issues to fix.

Why do Deno Deploy applications need external accessibility monitoring?

Deno Deploy’s edge architecture deploys to 35+ global regions simultaneously — any front-end accessibility regression is instantly live worldwide with no automated quality gate. Government agencies, nonprofits, and universities deploying on Deno Deploy face ADA Title II compliance with an April 24, 2026 deadline. Fresh Island component changes, route handler updates, and middleware modifications can introduce WCAG violations globally in seconds. PageGuard provides continuous post-deployment monitoring with email alerts when WCAG scores drop.

Is PageGuard a replacement for Deno Deploy?

No — they serve completely different purposes. Deno Deploy is a serverless edge platform that runs JavaScript/TypeScript across 35+ global regions with V8 Isolate Cloud architecture and no cold starts. PageGuard is an external quality monitoring tool for the front-end output of those deployed applications. Teams using Deno Deploy for hosting should add PageGuard to continuously verify WCAG compliance, Core Web Vitals, and SEO quality after each deployment.

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