# CTR Optimization & Social Tags Reference

## Title Tag Formulas

| Formula | Template | Best For |
|---------|----------|---------|
| How-To | How to [Result] ([Year]) | Guides |
| Number List | [N] [Adj] [Topic] for [Audience] | Listicles |
| Question | [Question]? Here's [Answer] | Definitions |
| Comparison | [A] vs [B]: [Differentiator] | Comparisons |
| Year-Based | Best [Topic] in [Year] ([Tested]) | Evergreen + fresh |
| Benefit | [Benefit]: [How to Achieve] | High-CTR |
| Parenthetical | [Topic] ([Modifier]) | Value signal |

**Length**: 50-60 chars ideal desktop. Front-load keywords if >60. Avoid >65 (truncated everywhere).

## CTR Boosters

| Factor | CTR Impact |
|--------|-----------|
| Brackets/parentheses in title | +38% |
| Number in title | +20-30% |
| Match search intent | +15-25% |
| Rich results (FAQ, HowTo, stars) | +30% |
| Current year | +10-15% |
| Question format | +14% |

## Meta Description Frameworks

**AIDA**: Attention (hook) > Interest (relevance) > Desire (benefit) > Action (CTA). Target 150-160 chars.

**PAS**: Problem > Agitate > Solution + CTA.

**Benefit-Proof-CTA**: Lead with outcome, back with evidence, close with action.

## Social Meta Tag Checklist

### Required OG Tags

| Tag | Notes |
|-----|-------|
| og:title | Can differ from HTML title; optimize for sharing |
| og:description | Social-optimized; can differ from meta description |
| og:image | Absolute URL, ideal 1200x630px, min 200x200px |
| og:url | Canonical URL |
| og:type | "website" (homepage), "article" (posts) |

### Recommended Tags

| Tag | Notes |
|-----|-------|
| og:site_name | Brand name |
| og:locale | e.g., "en_US" |
| twitter:card | "summary_large_image" for articles |
| twitter:site | @yourbrand handle |

### Platform Image Sizes

| Platform | Image Size |
|----------|-----------|
| Facebook | 1200x630px |
| Twitter/X | 1200x600px |
| LinkedIn | 1200x627px |
| Pinterest | 1000x1500px (2:3) |