Alternatives to DiagnoSEO On-page SEO
Powerful and lightweight SEO plugin for WordPress. The best solution on the market in 2025.
Snapshot
Rating: 5.0/5 (9 reviews)
Downloads: 10,717
Active installs: 100
Maintenance score: 52/100
Compatibility
Requires WordPress: 4.7
Tested up to: 6.8.3
Requires PHP: 7.2
Top alternatives
These alternatives are selected programmatically using overlapping tags and then sorted by your chosen metric.
Showing 20 plugins
Active installs
Descending
Yoast SEO – Advanced SEO with real-time guidance and built-in AI(27,779)•Updated 35d ago
Improve your SEO with real-time feedback, schema, and clear guidance. Upgrade for AI tools, Google Docs integration, and 24/7 support, no hidden fees.
10,000,000 installs892,355,446 downloads82/100 • Actively maintained
BoldGrid Easy SEO – Simple and Effective SEO(3)•Updated 35d ago
Easy SEO helps you easily create keyword rich content and rank higher in the search engines.
50,000 installs821,583 downloads61/100 • Actively maintained
Semrush SEO Writing Assistant(25)•Updated 258d ago
The Semrush SEO Writing Assistant provides instant recommendations for content optimization based on the best-performing articles in Google's top 10.
10,000 installs169,333 downloads44/100 • Stale
Yoast SEO: Search Index Purge(12)•Updated 1853d ago
Remove attachment URLs from Google's index as fast as possible to prevent thin content penalties.
10,000 installs94,441 downloads14/100 • Possibly abandoned
Ahrefs SEO(35)•Updated 99d ago
Automate content audits and grow organic traffic to your WordPress website with Ahrefs SEO plugin.
9,000 installs319,440 downloads56/100 • Maintained
SEOKEY – Powerful SEO plugin with Expert Insights and SEO Audit(42)•Updated 175d ago
Improve SEO rankings with a powerful SEO Audit, automatic optimizations and Expert Insights. SEOKEY is the easiest and most powerful SEO plugin!
1,000 installs28,248 downloads56/100 • Maintained
WordPress Image SEO(17)•Updated 1162d ago
WordPress Image SEO plugin allows you to improve the structures of your site images and make them more search engine friendly.
1,000 installs24,085 downloads24/100 • Possibly abandoned
Topic SEO Content Optimization Tool(4)•Updated 98d ago
Find and fix topical gaps in your SEO Content. Rank higher on search.
1,000 installs27,476 downloads52/100 • Maintained
Seona(0)•Updated 656d ago
Boost your SEO with automated blog posts and code changes provided by Seona.
1,000 installs3,196 downloads26/100 • Possibly abandoned
StyleAI(0)•Updated 489d ago
Connect your Wordpress website to StyleAI and start automating and optimizing your digital marketing.
600 installs2,825 downloads26/100 • Possibly abandoned
Textmetrics(7)•Updated 266d ago
Textmetrics is the easiest way to create SEO proof content to rank higher and get more traffic. Realtime optimization, keyword research and more.
500 installs75,151 downloads40/100 • Stale
Post Admin Word Count(6)•Updated 229d ago
Adds a sortable word count column to the admin post list for all public post types. Efficient, lightweight and built with modern best practices.
500 installs8,080 downloads40/100 • Stale
DELUCKS SEO(17)•Updated 134d ago
The only SEO plugin from Germany for holistic search engine optimization with ChatGPT and Google APIs.
400 installs45,133 downloads54/100 • Maintained
Frase(3)•Updated 62d ago
Integrate Frase’s Content Optimization experience inside your WordPress editor.
400 installs12,649 downloads61/100 • Actively maintained
Rankology SEO – All in One SEO & Analytics(1)•Updated 249d ago
Rankology SEO is a simple, fast and powerful all in one SEO plugin for WordPress. Rank higher in search engines.
400 installs1,889 downloads40/100 • Stale
SEO & redirect(10)•Updated 948d ago
Unlock the full potential of your website with our cutting-edge SEO optimization services. We understand that in the digital landscape, SEO is king, a …
300 installs57,049 downloads24/100 • Possibly abandoned
Rankology SEO and Analytics Tool(0)•Updated 62d ago
Rankology SEO and Analytics Tool is a powerful, fast, and easy-to-use SEO plugin that helps WordPress sites rank higher in search engines.
300 installs1,001 downloads59/100 • Actively maintained
ZMSEO(3)•Updated 2415d ago
Wordpress plugin for SEO analytic – ZMSEO. KPI and page’s requests directly in your personal account. During work plagin makes calls to Yandex.
200 installs7,916 downloads22/100 • Possibly abandoned
Clearscope(2)•Updated 85d ago
Embed the Clearscope Optimize experience directly in your WordPress Gutenberg or Classic editor sidebar.
200 installs15,071 downloads61/100 • Actively maintained
Flexy SEO(0)•Updated 232d ago
Optimize your WordPress website for search engines (SEO) and improve the search engines ranking with this flexible plugin (WPFS).
0 installs4,063 downloads38/100 • Stale