Analytics Notes

Analytics Notes

Local source of annotations for traffic and conversion analysis. Use this file to mark site/content changes that should be considered when comparing GA4 and PostHog data.

2026-05-15 — Mobile/homepage UX and analytics instrumentation baseline

Use as pre/post comparison marker. Treat 2026-05-15 as the change/deploy day and exclude it from clean comparisons when possible.

Recommended comparison windows

• Pre: 2026-04-15 to 2026-05-14
• Post: 2026-05-16 to 2026-06-14

Changes shipped around this marker

• PostHog client-side tracking launched with EU host.
• PostHog custom events added for course applications, contact CTAs, and geo-bar interactions.
• Google Analytics MCP and PostHog MCP became available for analysis.
• Mobile homepage hero copy shortened/directened.
• Homepage content shortened to improve first-screen and first-scroll clarity.
• Homepage imagery updated.
• Mobile social proof strip added/refined.
• Mobile section spacing and above-the-fold layout tightened.
• Course descriptions tightened.
• Course pages simplified by removing “Beyond the Range” sections.
• Mobile course cards/page headings tuned.
• Mobile next-date CTA added and shortened.

Relevant commits

• 336a204 — Add PostHog tracking and analytics notes
• 09e96b1 — Optimize mobile hero section
• eb797da — Optimize mobile homepage about section
• 36c7671 — Tighten mobile section spacing
• a593618 — Add mobile social proof strip
• f086f32 — Refine mobile social proof spacing
• c7c16a3 — Tune mobile page headings and course cards
• 48706e4 — Tighten course descriptions
• a11996b — Remove beyond the range sections
• bfca45f — Add mobile next date CTA
• bf8499f — Shorten mobile next date CTA

Metrics to compare

• Homepage landing sessions, engagement rate, bounce rate, scroll events.
• Homepage → /courses.html progression.
• /courses.html → course detail page progression.
• Course detail → Apply click progression.
• Thank-you page visits / application completions.
• Mobile vs desktop split and mobile-specific engagement.
• Source/medium quality, especially Google organic, direct, and ChatGPT referrals.

Notes

• PostHog data starts from the 2026-05-15 instrumentation point; use GA4 for historical pre-period comparisons.
• For GA4 analysis, default property is properties/520718616.