Comparison · Updated July 2026
Yoast SEO alt text: what it does (and when you need more)
Yoast SEO is excellent for on-page SEO. For library-scale image alt text — bulk AI drafts plus review-before-save — WordPress sites usually need a dedicated plugin like OpptiAI Alt Text Generator.
Side-by-side
| Criterion | Yoast SEO | OpptiAI Alt Text |
|---|---|---|
| Bulk AI generation across media library | No — not a library-wide AI queue | Yes — scan and generate in bulk |
| Review / approve before save | Manual editing in editor / media | Yes — dedicated review workspace |
| On-page SEO analysis (titles, readability) | Yes — core strength | No — focused on image alt text |
| WooCommerce product & gallery images | Limited / manual | Yes — product & gallery support |
| Free way to start | Yoast Free available | Free tier on WordPress.org, paid from £4.99/month |
Honest comparison based on typical WordPress workflows. Features change — last reviewed July 2026. Yoast is a trademark of its respective owner; this page is an independent comparison.
Where Yoast shines
Use Yoast for content-level SEO: focus keyphrases, titles, meta descriptions, readability, and schema. Those jobs stay with your SEO suite.
Where OpptiAI wins for images
OpptiAI Alt Text Generator is built to scan the media library, draft alt text with AI, and let you approve everything before it saves — including WooCommerce product and gallery images.
See OpptiAI Alt Text
Recommended stack
Yoast (or Rank Math) for on-page SEO + OpptiAI for image alt text recovery. Run a free public-page audit first to see how much coverage you are missing.
FAQ
Related: WordPress image SEO hub · Rank Math alt text · Best alt text plugins