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Changelog

All notable changes to CloudCertPrep are documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

Changed

  • Migrated hosting from Netlify to Cloudflare Pages. The security headers and the hash-based CSP are now emitted by a Pages Function (functions/_middleware.js), scoped to HTML routes via _routes.json so content-hashed assets are served directly.
  • Disabled Google Analytics 4 and hid the cookie-consent banner. Analytics is now cookieless Umami only, so the site sets no tracking cookies and needs no consent gate. The privacy policy and About page were updated to match.
  • Technical-SEO batch: allowed the Cloudflare Web Analytics beacon in the CSP (clears the blocked-script console error and restores Best Practices to 100); added per-route sitemap <lastmod> from real content/commit dates (every URL previously carried the build date, which trains crawlers to ignore the field); added a responsive srcset 1x variant for the cert-card images; emitted the BlogPosting image as an ImageObject and added inLanguage; added BreadcrumbList JSON-LD to /privacy and /terms; and shortened two over-length AIF-C01 domain titles to the SERP budget (keyword-aligned).
  • Slimmed the per-question question_answered analytics event to low-cardinality properties (surface + domain_id, plus is_correct in practice), dropping the high-cardinality question_id and the positional question_index, question_number, and total_questions fields. Each Umami data property is billed, and those fields were the bulk of analytics data volume while adding little aggregate insight. The event still fires once per answered question, so guest (signed-out) engagement, which is not stored in Supabase, is still tracked.

Performance

  • Lazy-load the Supabase client. @supabase/supabase-js (~53 KB gzipped) was pulled into every marketing/blog/cert page by the always-mounted header and account-link islands, even for logged-out visitors who never touch auth. It is now imported on demand behind a memoised getSupabase(): useAuth loads it only when a session token or an OAuth/recovery ?code= callback is present, the login page warms it on mount, and app surfaces load it when they query. The library is now a dynamic-import-only chunk, fully off the indexable funnel.
  • Gated the hero entrance stagger behind html.cc-js (mirroring [data-reveal]) so the LCP H1 on the home and cert landing pages is no longer withheld at opacity:0 for crawlers, no-JS users, or the pre-hydration window.

Fixed

  • Domain landing pages now link to the most relevant blog posts. The related-posts filter matched the domain slug, but posts are tagged with cert codes, so the block silently never rendered; it now falls back cert code then recent, so it is never empty.

  • FAQ answer links no longer break when followed by trailing punctuation (#62).

  • Corrected the CLF-C02 q978 explanation so its rationale matches the answer options shown (#84).

  • Normalised an SAA-C03 explanation to the standard two-paragraph format (#67).

Accessibility

  • Descriptive aria-labels on the MockExam question grid (#50).
  • aria-label for the no-text loading spinner (#65).
  • Alert role on the reset-password and stats error components (#66).

Internal

  • Service-metadata tagging for CLF-C02 questions q013, q015, and q023 (#49, #68, #86).
  • Extracted spaced-repetition question selection into a tested pure function (#82).
  • Added unit coverage for the exam leave guard, the groupBy helper, the SEO URL builders, and relative-date formatting (#54, #55, #64, #85).
  • CI: fork PRs build a preview with placeholder env fallbacks and skip Lighthouse.
  • Docs: removed stale roadmap and test-count notes (#81).

2.0.0 - 2026-06

The Astro static-site migration: a multi-cert rebuild that adds the AWS Certified AI Practitioner (AIF-C01) alongside the existing AWS Cloud Practitioner (CLF-C02), a blog, programmatic domain landing pages, Google OAuth, Cloudflare Turnstile, and an AI-visibility layer for LLM citation.

Highlights

  • Migrated from a single-page React 19 app to an Astro static site. The marketing surface (home, About, blog, cert and domain landings, legal pages, 404) is prerendered to static HTML at build time; the interactive flows hydrate as React islands on top of the static shells.
  • Added the AWS Certified AI Practitioner (AIF-C01) certification, generally available and indexable on day one.
  • Added a Markdown-based blog with an RSS feed and per-post canonical control for cross-posting.
  • Added 9 programmatic per-domain landing pages with server-rendered sample questions.
  • Added Google OAuth sign-in and Cloudflare Turnstile bot protection on the auth flow.

Certifications

  • AWS Cloud Practitioner (CLF-C02): existing question bank, now served from the multi-cert architecture.
  • AWS Certified AI Practitioner (AIF-C01): new question bank, GA and indexable, with the same Course and FAQPage structured data as CLF-C02.

Landing pages

  • New cert landing pages at /aws/clf-c02 and /aws/aif-c01 with per-cert FAQ, Course, and BreadcrumbList JSON-LD and a build-time last-updated stamp.
  • 9 programmatic domain landing pages (/aws/<cert>/<domain>) seeded from the certification registry, each with breadcrumb, keyword hero, interactive sample questions, and a latest-blog-posts block.
  • New static pages: an About page with author and methodology sections, a /contribute page, and a regenerated /stats page carrying a build-time snapshot and Dataset JSON-LD.

Under the hood

  • Astro static output (output: 'static') deployed to Netlify, with trailingSlash: 'never' and build.format: 'file' (pages emit as /about.html, served at the canonical /about with no redirect) to keep served paths aligned with canonical tags.
  • Server-rendered JSON-LD with a build-time assertion that the Person, Organization, and WebSite graph stays byte-identical to the pre-migration snapshot.
  • A build-time citation guard that asserts the locked home-page phrases and headings are present in the built HTML.
  • Regenerated SEO assets (sitemap, llms.txt, robots, redirects) and per-cert, per-domain, and per-post OG image composites generated at build time.
  • Google OAuth added alongside the existing GitHub and email/password sign-in; Cloudflare Turnstile added to the auth forms (verified server-side by Supabase).
  • Removed the dead CertBetaBanner component and the legacy SPA fallback; legacy single-cert URLs (/practice-exam, /domain-practice) now 301 to their multi-cert equivalents.
  • Expanded the on-page learning content: exam-realism explanations, detailed per-question answer rationales, and HowTo structured data describing the study and question-authoring methodology.
  • CI runs validate, lint, astro check, test, build, and the citation guard.
  • Hardened the deploy: a hash-based Content-Security-Policy (the build emits sha256 hashes for every inline script and drops 'unsafe-inline' from script-src), and all GitHub Actions are pinned to full commit SHAs.

Full changelog

This is the first tracked release. Subsequent releases will link a GitHub compare view here.