Rating: 9/10
- 10-slide deck with keyboard/swipe navigation, smooth transitions
- Chart.js market size bar chart and traction line chart
- Strong visual hierarchy with gradient big numbers, card-based layouts, team avatars
- 16:9 full-viewport slides, nav dots, slide counter
- Could improve: slide transition variety, more animation polish on chart entrance
Rating: 9/10
- 6 KPIs with color-coded left borders and trend indicators
- 4 charts: revenue line, churn donut, user growth bar, revenue by plan donut
- Responsive grid, fade-up animations, auto-updating date
- Clean data visualization hierarchy
- Could improve: sparklines in KPI cards, time range selector
Rating: 8.5/10
- 15 milestones from 1950–2025, alternating left/right layout
- Scroll-triggered fade-in animations via IntersectionObserver
- Central connecting line with accent dot markers
- Emoji icons per milestone, gradient hero title
- Could improve: replace emoji with proper inline SVG icons, add parallax effects
Rating: 8.5/10
- Long-scroll format with big stats, pros/cons columns, charts, icon cards
- Radar chart for satisfaction comparison, horizontal bar for productivity
- Color-coded remote (teal) vs office (purple) throughout
- Scroll-triggered section animations
- Could improve: animated counters for big numbers, more visual variety between sections
Rating: 8/10
- Mermaid.js diagram: Clients → API Gateway → 4 Services → Data Layer → External APIs
- Subgraph grouping with color-coded borders
- Legend + 4 annotation cards with architectural details
- Clean professional layout
- Could improve: Mermaid theme toggle is fragile, could add interactive tooltips on hover
✅ Hamburger menu with theme toggle, PNG download, print/PDF
✅ Dark/light theme via CSS custom properties + data-theme
✅ HSL color system, system fonts, responsive design
✅ html-to-image CDN for PNG export
✅ Single self-contained HTML files (no external deps except CDN)
✅ WCAG AA contrast ratios maintained in both themes