웹사이트 최적화 표준 절차(SOP)

Test Name: [Descriptive name]
Hypothesis: We believe [change] will [outcome] because [reason]
Metrics: Primary: [CVR] | Secondary: [Bounce rate, Time on page]
Variants: Control: [current] | Variant A: [change]
Traffic: [%] split | Sample size: [number]
Duration: [Start date] to [End date]
Results: Control: [metrics] | Variant: [metrics]
Winner: [Control/Variant] | Confidence: [%]
Next Steps: [Implement/Iterate/Abandon]

Title: [PERF] Optimize LCP on [Page Name]

Current State:
- LCP: [X]s (Target: <2.5s)
- Largest element: [element description]
- PageSpeed Score: [score]

Tasks:
[ ] Preload hero image with <link rel="preload">
[ ] Convert images to WebP format
[ ] Implement lazy loading for below-fold images
[ ] Inline critical CSS
[ ] Remove unused JavaScript

Acceptance Criteria:
- LCP &lt; 2.5s on mobile (3G)
- PageSpeed score &gt; 90
- No visual regression

Testing:
- Chrome DevTools Performance audit
- PageSpeed Insights (mobile & desktop)
- Cross-browser testing (Chrome, Safari, Firefox)

Title: [UX] Improve Mobile Navigation

Problem:
- Users can't easily navigate on mobile
- Hamburger menu has low engagement
- Key pages are 3+ taps away

Solution:
[ ] Implement sticky bottom navigation
[ ] Add search functionality
[ ] Create quick access menu for top pages
[ ] Improve menu animation (< 300ms)

Design:
- Figma: [link to design]
- Breakpoint: < 768px

Acceptance Criteria:
- Navigation accessible with thumb
- All pages reachable in ≤ 2 taps
- Animation smooth (60fps)
- Meets WCAG 2.1 AA standards

Title: [TEST] CTA Button Color Test

Hypothesis:
Changing CTA from blue to green will increase CTR by 15%

Implementation:
[ ] Set up test in Google Optimize/VWO
[ ] Create variant with green button (#00B67A)
[ ] Configure 50/50 traffic split
[ ] Set up event tracking for clicks
[ ] QA both variants

Tracking:
- Event: button_click
- Label: [control/variant]
- Goal: form_submission

Duration: 14 days
Sample size: 2000 per variant

Rollback Plan:
If negative impact > 10%, revert immediately