Simply highlight the missing or empty alt and caption from the post images in a single place. Additionally, it also checks the missing SEO focus keywords from the image alt tag.

MCP server for glassypic.com image optimization — one tool, max optimization

SEOVela - a free, open-source WordPress SEO plugin with modular architecture. Enable only what you need: meta tags, XML sitemaps, JSON-LD schema, redirects, 404 monitor, internal links, image SEO, AI optimization, Google Search Console, and llms.txt. Migrate from Yoast SEO or Rank Math in one click.

Claude Code command: Optimize images to WebP, upload to WordPress, set all SEO metadata (title, alt, caption, description), set as featured image

Image ALT Fixer automatically sets the ALT attribute content of all IMG and FIGURE tags, present in a post, with a keyphrase calculated based on the post content.

Free online image tools — compress, convert, resize — client-side privacy-first

Free, open-source web image optimizer for SEO & Core Web Vitals (Claude Code plugin) — turns a page's images & videos into responsive AVIF/WebP + VP9/H.264 bundles named for one-to-one swaps. Faster LCP, better rankings. MIT.

Browser-local image SEO QA briefs for launch teams

WordPress plugin that bulk-generates SEO-friendly featured images for draft and scheduled posts using Kie.ai and OpenRouter.

A lightweight WordPress plugin that combines an elegant Lightbox image viewer with comprehensive image SEO diagnostics. Analyzes alt attributes, filenames, dimensions, file sizes, and next-gen format (WebP/AVIF) support to calculate an overall image SEO score for each post.

AI product image SEO: bilingual vision analysis (Gemini/ModelScope), English metadata embedded into images via CLI/API/Web