SEO plugins get treated like a silver bullet, and the marketing around some of them doesn’t help. It’s worth being clear about what they actually do, since that shapes which one is worth using.
What a good SEO plugin actually handles
- Generating and managing your XML sitemap
- Letting you set custom titles and meta descriptions per page
- Adding schema/structured data markup automatically
- Flagging obvious on-page issues, like a missing title or duplicate content
- Managing redirects when you change a URL
What it can’t do
No plugin writes genuinely useful content, builds real backlinks, or makes a thin page rank for a competitive term. The “SEO score” a plugin shows you is a helpful checklist, not a guarantee — a page can hit 100% on every checkbox and still not rank if the content itself isn’t actually useful to the person searching.
What to actually look for
Reliable technical basics (sitemaps, redirects, schema) matter more than a flashy scoring system. A plugin that handles the technical fundamentals cleanly, without slowing your site down, is doing its job — the content quality part is still on you.
The technical side is worth getting right, but it’s the smaller half of the equation — useful, honest content for real people (which also happens to be what search engines reward) is still the bigger lever.