DiagnoSEO — WordPress SEO Plugin
DiagnoSEO – Fast and Automated On-page SEO
by DiagnoSEO.com · WordPress.org page · Website
DiagnoSEO has 100+ active installs on WordPress.org and 13,601 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on May 2, 2026, tested up to WordPress 6.9.7.
DiagnoSEO at a glance
Is DiagnoSEO well maintained?
Features
The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.
- Custom meta titles and meta descriptions
- Meta tag templates
- Google search snippet preview
- Meta robots control
- Custom canonical URLs
- Advanced Schema.org support
- Breadcrumbs with HTML and Schema
- Open Graph metadata and social previews
- Optimization for multiple related keywords
- SEO checkpoints and actionable on-page recommendations
- Content analyzer with keyword placement checks
- Live SEO score while editing
DiagnoSEO reviews and ratings
9 reviews on WordPress.org, with the most recent ones as their authors posted them.
9 reviews
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Easy to Use and Setup
It’s very lightweight and easy to set up. Thank you.
Mike Kipruto -
Great addition to my eCommerce business!
Advanced content checkpoints in DiagnoSEO plugin helped me to quickly check the quality of my articles. After implementing proper keywords in the article and fixing all the issues suggested by the plugin, my articles can finally rank high in Google. I am very thankful for such a great SEO plugin! It's very lightweight and at the same time a complete SEO plugin with all the features needed for high rankings in Google.
idlehandsdevilswork -
Very Helpful
DiagnoSEO WordPress plug-in is the best plug-in for SEO that I've ued so far. It has a user-friendly interface and very detailed SEO checkpoints related to content and keyword placement so that I know how I can improve my article for better rankings in search engines. It is a reliable and powerful plugin.
kw2022 -
Modern SEO plugin with great code and UX
Modern SEO plugin with great (optimized and lightweight) code and well-thought UX. It is a fully complete SEO plugin with all the features needed to improve SEO.
supersidor -
Great SEO plugin with unique features
Great SEO plugin - uses very little memory and got unique SEO features, like for example anchor text control on posts lists, affiliate links hider or IndexNow support! Highly recommended to use by SEO expert!
lantipsse -
The ultimate SEO plugin
I tried several SEO plugins before and DiagnoSEO IMHO has the best UX and performance. It has got also support for IndexNow and thanks to this it's possible to index pages in Bing and Yandex very quickly.
siewie
Details
Powerful and lightweight SEO plugin for WordPress. The best solution on the market in 2026.
The full description, screenshots and every review live on the WordPress.org page.
Rankings DiagnoSEO competes in
Tags
- AI
- Content analysis
- schema
- seo
- xml sitemap
- Version
- 1.2.63
- Last updated
- May 2, 2026
- First published
- Jan 24, 2022
- Requires WordPress
- 4.7
- Tested up to
- 6.9.7
- Requires PHP
- 7.2
- Pricing
- Free on WordPress.org
DiagnoSEO FAQ
What does DiagnoSEO do?
According to its WordPress.org readme, DiagnoSEO offers Custom meta titles and meta descriptions, Meta tag templates, Google search snippet preview, Meta robots control and Custom canonical URLs.
How many active installs does DiagnoSEO have?
WordPress.org reports 100+ active installs for DiagnoSEO as of September 7, 2026.
Is DiagnoSEO still maintained?
Yes. The last release was on May 2, 2026 and it is tested up to WordPress 6.9.7.
Is DiagnoSEO free?
DiagnoSEO is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.