image-seo-audit
Audit image SEO. Use when: checking alt text, file sizes, WebP/AVIF formats, lazy loading, or responsive images.
What this skill does
# /digital-marketing-pro:image-seo-audit
## Purpose
Perform a dedicated image optimization audit that evaluates all images on a page or site for SEO, performance, and accessibility. Produces a prioritized optimization list sorted by file size impact.
## Input Required
- **URL**: Page or site to audit
- **Scope**: Single page or site-wide crawl (default: single page)
## Process
1. **Load brand context**: Read active brand profile for industry context.
2. **Discover images**: Find all `<img>`, `<picture>`, CSS `background-image`, and `<source>` elements.
3. **Alt text audit**: Check presence, quality, keyword inclusion, length (10-125 chars). Flag: missing, filename-only ("image.jpg"), keyword-stuffed, non-descriptive ("click here").
4. **File size audit**: Apply tiered thresholds by image category — thumbnails (<50KB target, >200KB critical), content images (<100KB target, >500KB critical), hero/banner (<200KB target, >700KB critical).
5. **Format audit**: Check for modern formats. Recommend WebP (97%+ support) or AVIF (92%+ support) over JPEG/PNG. Check for `<picture>` element with format fallbacks. Note: JPEG XL restored in Chromium (Nov 2025) but not yet in Chrome stable — monitor, don't recommend yet.
6. **Responsive images**: Check for `srcset` and `sizes` attributes, appropriate resolution for device pixel ratios.
7. **Lazy loading**: Verify `loading="lazy"` on below-fold images. Flag `loading="lazy"` on above-fold/hero images (directly harms LCP).
8. **fetchpriority**: Check for `fetchpriority="high"` on LCP/hero images. Check for `decoding="async"` on non-LCP images.
9. **CLS prevention**: Check for `width` and `height` attributes or `aspect-ratio` CSS on all `<img>` elements. Flag images without dimensions.
10. **File naming**: Check for descriptive, hyphenated, lowercase file names vs generic names (IMG_1234.jpg).
11. **CDN usage**: Check if images are served from a CDN (different domain, CDN headers, edge caching).
12. **Score and prioritize**: Sort by file size savings impact (largest first).
## Recommended Picture Element Pattern
```html
<picture>
<source srcset="image.avif" type="image/avif">
<source srcset="image.webp" type="image/webp">
<img src="image.jpg" alt="Descriptive alt text" width="800" height="600" loading="lazy" decoding="async">
</picture>
```
## Hero/LCP Image Pattern
```html
<img src="hero.webp" fetchpriority="high" alt="Hero image description" width="1200" height="630">
```
Do NOT lazy-load above-fold/LCP images. Do NOT add `decoding="async"` to LCP images.
## Output
### Image Audit Summary
| Metric | Status | Count |
|--------|--------|-------|
| Total Images | — | XX |
| Missing Alt Text | issues | XX |
| Oversized (>200KB) | issues | XX |
| Wrong Format (not WebP/AVIF) | issues | XX |
| No Dimensions (CLS risk) | issues | XX |
| Not Lazy Loaded (below-fold) | issues | XX |
| No fetchpriority on LCP | issues | XX |
### Prioritized Optimization List
Sorted by estimated file size savings (largest first):
| Image | Current Size | Format | Issues | Est. Savings |
|-------|-------------|--------|--------|-------------|
| hero.jpg | 450KB | JPEG | No WebP, no fetchpriority | ~300KB |
| ... | ... | ... | ... | ... |
### Recommendations (prioritized)
1. Convert X images to WebP format (est. XX KB total savings)
2. Add alt text to X images
3. Add width/height dimensions to X images
4. Enable lazy loading on X below-fold images
5. Add fetchpriority="high" to LCP image
6. Compress X oversized images
7. Implement `<picture>` element with AVIF/WebP fallbacks
## Agents Used
- **seo-specialist** — Image optimization analysis, CWV impact assessment
## Scripts Used
- **tech-seo-auditor.py** — Fetch page and analyze image elements
Related in Ads & Marketing
ads
IncludedMulti-platform paid advertising audit and optimization skill. Analyzes Google, Meta, YouTube, LinkedIn, TikTok, Microsoft, and Apple Ads. 250+ checks with scoring, parallel agents, industry templates, and AI creative generation.
banana
IncludedAI image generation Creative Director powered by Google Gemini Nano Banana models. Use this skill for ANY request involving image creation, editing, visual asset production, or creative direction. Triggers on: generate an image, create a photo, edit this picture, design a logo, make a banner, visual for my anything, and all /banana commands. Handles text-to-image, image editing, multi-turn creative sessions, batch workflows, and brand presets.
rpg-migration-analyzer
IncludedAnalyzes legacy RPG (Report Program Generator) programs from AS/400 and IBM i systems for migration to modern Java applications. Extracts business logic from RPG III/IV/ILE source code, identifies data structures (D-specs), file operations (F-specs), program dependencies (CALLB/CALLP), and converts RPG constructs to Java equivalents. Generates migration reports, complexity estimates, and Java implementation strategies with POJO classes, JPA entities, and service methods. Use when modernizing AS/400 or IBM i legacy systems, analyzing RPG source files (.rpg, .rpgle, .RPGLE), converting RPG to Java, mapping data specifications to Java classes, planning legacy system migration, or when user mentions RPG analysis, Report Program Generator, RPG III/IV/ILE, AS/400 modernization, IBM i migration, packed decimal conversion, or mainframe application rewrite.
brand-library-architect
IncludedBuild a complete brand library for a product — visual asset render pipeline, brand documentation set (BRAND, COPY, MANIFESTO, BIOS, FAQ, GLOSSARY, TONE, PRICING), open-source convention files (README, CONTRIBUTING, SECURITY, CODE_OF_CONDUCT), and a self-contained press kit. This skill should be used when the user asks to "build a brand library / brand kit / press kit / brand assets" for a product, "set up a brand library workflow," "create a positioning manifesto plus visual identity," or any combination of brand documentation + visual asset pipeline. Apply phase-by-phase or run end-to-end. Templates are product-agnostic and use {{TOKEN}} placeholders the skill prompts the user to fill.
writing-tech-post
IncludedAuthors engineering blog posts end-to-end: launch deep-dives, incident postmortems, architecture migrations, performance case studies, tutorials, AI/agent system writeups, security disclosures, and research-to-product translations. Picks the correct archetype, plans the abstraction ladder, enforces an evidence cadence (diagrams, benchmarks, profiles, traces, code, ablations), tunes voice against publisher house styles (Datadog, Vercel, GitHub, AWS, Meta, Cloudflare, Jane Street), and runs a pre-publish gate for narrative momentum and disclosure ethics. Use when drafting a new engineering post, restructuring a draft that feels flat, deciding which evidence form belongs where, validating that depth and product context are balanced, or preparing a postmortem, migration, or performance narrative for external publication. Do not use for API reference documentation, README authoring, marketing copy, release notes, generic SEO content, ghost-written executive thought leadership, or non-engineering long-form essays.
blog-google
IncludedGoogle API integration for blog performance: PageSpeed Insights, CrUX Core Web Vitals with 25-week history, Search Console performance, URL Inspection, Indexing API, GA4 organic traffic, NLP entity analysis for E-E-A-T, YouTube video search for embedding, and Google Ads Keyword Planner. Progressive feature availability based on credential tier (API key, OAuth/service account, GA4, Ads). Shares config with claude-seo at ~/.config/claude-seo/google-api.json. Use when user says "google data", "page speed", "core web vitals", "search console", "indexation", "GA4", "keyword research", "nlp entities", "blog performance", "youtube search", "google api setup".