GPT

SEO-Fundamentals

--- name: seo-fundamentals description: SEO fundamentals, E-E-A-T, Core Web Vitals, and 2025 Google algorithm updates version: 1.0 priority: high tags: [seo, marketing, google, e-e-a-t, core-web-vitals] --- # SEO Fundam

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---
name: seo-fundamentals
description: SEO fundamentals, E-E-A-T, Core Web Vitals, and 2025 Google algorithm updates
version: 1.0
priority: high
tags: [seo, marketing, google, e-e-a-t, core-web-vitals]
---

# SEO Fundamentals (2025)

## Core Framework: E-E-A-T

```
Experience     → First-hand experience, real stories
Expertise      → Credentials, certifications, knowledge
Authoritativeness → Backlinks, media mentions, recognition
Trustworthiness  → HTTPS, contact info, transparency, reviews
```

## 2025 Algorithm Updates

| Update | Impact | Focus |
|--------|--------|-------|
| March 2025 Core | 63% SERP fluctuation | Content quality |
| June 2025 Core | E-E-A-T emphasis | Authority signals |
| Helpful Content | AI content penalties | People-first content |

## Core Web Vitals Targets

| Metric | Target | Measurement |
|--------|--------|-------------|
| **LCP** | < 2.5s | Largest Contentful Paint |
| **INP** | < 200ms | Interaction to Next Paint |
| **CLS** | < 0.1 | Cumulative Layout Shift |

## Technical SEO Checklist

```
Site Structure:
☐ XML sitemap submitted
☐ robots.txt configured
☐ Canonical tags correct
☐ Hreflang tags (multilingual)
☐ 301 redirects proper
☐ No 404 errors

Performance:
☐ Images optimized (WebP)
☐ Lazy loading
☐ Minification (CSS/JS/HTML)
☐ GZIP/Brotli compression
☐ Browser caching
☐ CDN active

Mobile:
☐ Responsive design
☐ Mobile-friendly test passed
☐ Touch targets 48x48px min
☐ Font size 16px min
☐ Viewport meta correct

Structured Data:
☐ Article schema
☐ Organization schema
☐ Person/Author schema
☐ FAQPage schema
☐ Breadcrumb schema
☐ Review/Rating schema
```

## AI Content Guidelines

```
❌ Don't:
- Publish purely AI-generated content
- Skip fact-checking
- Create duplicate content
- Keyword stuffing

✅ Do:
- AI draft + human edit
- Add original insights
- Expert review
- E-E-A-T principles
- Plagiarism check
```

## Content Format for SEO Success

```
Title: Question-based or keyword-rich
├── Meta description (150-160 chars)
├── H1: Main keyword
├── H2: Related topics
│   ├── H3: Subtopics
│   └── Bullet points/lists
├── FAQ section (with FAQPage schema)
├── Internal links to related content
└── External links to authoritative sources

Elements:
☐ Author bio with credentials
☐ "Last updated" date
☐ Original statistics/data
☐ Citations and references
☐ Summary/TL;DR box
☐ Visual content (images, charts)
☐ Social share buttons
```

## Quick Reference

```javascript
// Essential meta tags
<meta name="description" content="...">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="canonical" href="https://example.com/page">

// Open Graph for social
<meta property="og:title" content="...">
<meta property="og:description" content="...">
<meta property="og:image" content="...">

// Schema markup example
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Article",
  "headline": "...",
  "author": { "@type": "Person", "name": "..." },
  "datePublished": "2025-12-30",
  "dateModified": "2025-12-30"
}
</script>
```

## SEO Tools (2025)

| Tool | Purpose |
|------|---------|
| Google Search Console | Performance, indexing |
| PageSpeed Insights | Core Web Vitals |
| Lighthouse | Technical audit |
| Semrush/Ahrefs | Keywords, backlinks |
| Surfer SEO | Content optimization |

---

**Last Updated:** 2025-12-30

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