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Content Optimization Software: ranks 51–68

Page 2 of 2 of the full content optimization software ranking. Every tool here is researched from its official pricing and product pages. See our top picks →

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Ranks 51–68 of 68 tools, best first

18 tools
  1. Best forEditors needing readability and originality checks

    A focused web editor for SEO, readability, originality, and content quality checks.

    • Readability scoring
    • Content briefs
    5.4/10★★★☆☆
    Visit Copywritely
  2. Best forLarge organizations with unusually high budgets

    A broad SEO content workflow for organizations with substantial monthly budgets.

    5.4/10★★★☆☆
    Visit Outranking
  3. Best forSmall teams focused on affordable content briefs

    An affordable brief-building tool for teams that need SERP-led content direction.

    • Content briefs
    • Search intent analysis
    • Topic coverage analysis
    5.4/10★★★☆☆
    Try ContentBrief.io
  4. Best forSmall businesses needing affordable SEO audits

    An affordable SEO audit and tracking suite for small businesses, with limited content planning.

    • Search intent analysis
    Free plan · 7-day trial Our OnPageSEO.ai verdict → Visit OnPageSEO.ai
    5.4/10★★★☆☆
    Visit OnPageSEO.ai
  5. Best forLarge sites building entity and topic architecture

    A focused platform for entity mapping, structured data, and publisher-scale archive analysis.

    • Entity analysis
    • Topic coverage analysis
    5.4/10★★★☆☆
    Visit TopicalBoost
  6. SUBJCT

    Best forTechnical teams focused on entity optimization

    A focused platform for entity analysis, internal linking and structured content.

    • CMS publishing
    • Entity analysis
    5.4/10★★★☆☆
    Visit SUBJCT
  7. RankIQ

    Best forBloggers optimizing existing posts in niche libraries

    A focused toolkit for optimizing blog posts with niche keyword and SERP guidance.

    5.4/10★★★☆☆
    Visit RankIQ
  8. SeeO

    Best forVery small teams needing inexpensive SEO basics

    A low-cost SEO workbench for small teams that need core research and content scoring.

    Free plan Our SeeO verdict → Visit SeeO
    5.4/10★★★☆☆
    Visit SeeO
  9. DiagnoSEO

    Best forSmall teams wanting inexpensive broad SEO tooling

    Broad SEO coverage at a low starting price, with content tools included.

    5.4/10★★★☆☆
    Visit DiagnoSEO
  10. Best forTechnical entity and local SEO teams

    A strong fit for technical and local SEO teams, but not for editorial content optimization.

    • Entity analysis
    • Search intent analysis
    5.4/10★★★☆☆
    Visit site
  11. Best forFree users clustering keywords into topics

    A focused free tool for clustering keywords by semantics, intent, volume, and similarity.

    • Search intent analysis
    • Topic coverage analysis
    5.4/10★★★☆☆
    Try SEO Clusterizer
  12. Best forUsers needing simple free content briefs

    A free brief builder for structured planning, without AI or publishing workflows.

    • Content briefs
    5.4/10★★★☆☆
    Visit Searqo
  13. Best forLow-cost users checking basic content coverage

    A low-cost browser grader for checking keyword coverage and draft structure.

    • Topic coverage analysis
    5.4/10★★★☆☆
    Visit Harmony
  14. Best forAdvanced desktop users needing correlation analysis

    A detailed correlation-analysis tool for advanced SEO professionals, with a high monthly price.

    5.4/10★★★☆☆
    Visit Cora SEO
  15. Best forTeams focused on AI-content and plagiarism verification

    A broad content-integrity toolkit for AI, plagiarism, and multilingual checks.

    5.4/10★★★☆☆
    Visit Originality.ai
  16. Best forWordPress technical performance

    A WordPress performance plugin, not a dedicated content optimization platform.

    5.0/10★★☆☆☆
    Visit WP-Optimize
  17. Best forMultilingual SEO publishing teams

    A multilingual SEO workspace covering content creation, optimization, publishing, and monitoring.

    Free plan · 3-day trial Our SEOptimate verdict → Visit SEOptimate
    4.8/10★★☆☆☆
    Visit SEOptimate
  18. NitroPack

    Best forWebsite performance optimization

    A broad website-speed toolkit, not a dedicated editorial content optimization platform.

    4.7/10★★☆☆☆
    Visit NitroPack

No tools match those filters.

Compare at a glance

#ToolFree planPaid fromScore
51CopywritelyNo$23/mo5.4
52OutrankingYes5.4
53ContentBrief.ioYes$29/mo5.4
54OnPageSEO.aiYes$29/mo5.4
55TopicalBoostNo$2,490/yr5.4
56SUBJCTNo£199/mo5.4
57RankIQNo5.4
58SeeOYes$1.49/mo5.4
59DiagnoSEONo$49/user/yr5.4
60Entity Authority PlatformNo$97/mo5.4
61SEO ClusterizerYes5.4
62Searqo Content BriefYes5.4
63Harmony SEO Content GraderYes$4.99/mo5.4
64Cora SEO SoftwareNo$250/mo5.4
65Originality.aiYes5.4
66WP-OptimizeYes$49/yr5.0
67SEOptimateYes€116/mo4.8
68NitroPackYes4.7

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update