SKILL.md
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- Left sidebar: Prime for nav; 80% of users focus left
- Right sidebar: Secondary content, ads, related posts
- Static vs sticky: Static for content-focused; sticky for persistent CTA (subscription, cart)
Conversion Reality
Approach
Typical result
Sidebar CTA
<1% opt-in for blog sidebars
In-content CTA
3x+ higher conversion
Bottom-right sticky
5.62% CTR vs 0.58% sidebar
No sidebar
3.1x higher conversion vs with sidebar
Recommendation: Prefer in-content CTAs or bottom-right sticky over sidebar CTAs. Use sidebar for nav and discovery, not primary conversion.
Widget Guidelines
- One high-value CTA max; avoid clutter
- Social proof: Testimonials, logos
- Popular/related posts: Discovery, internal linking
- Avoid: Too many ads, affiliate links; reduces trust and speed
Mobile
- Collapse: Hamburger or off-canvas drawer
- 57%+ mobile traffic: Responsive design non-negotiable
- Reduce clutter: Hide or simplify sidebar on small screens
Output Format
- Placement (left/right, static/sticky)
- Widget list (nav, CTA, related, social proof)
- Mobile behavior
- Conversion note (in-content vs sidebar CTA)
Related Skills
- toc-generator: TOC often in sidebar for long content
- cta-generator: Sidebar CTA (use sparingly)
- newsletter-signup-generator: Sidebar signup; consider in-content instead
- internal-links: Related posts in sidebar