SEO Tools
Best SEO Tools
DiagnoSEO is a suite of SEO tools designed to shorten the path from analysis and audit to implementation and measuring results. In a single dashboard, you combine keyword research, SERP and competitor analysis, on-page and technical audits, link building, content creation, as well as rank and indexation monitoring. This way, instead of jumping between multiple applications, you build a consistent workflow: from strategy and analysis, through auditing and execution, all the way to reporting. Discover the key DiagnoSEO modules and see how to use them in practice.
Effective SEO today is the sum of several elements: a precise selection of keywords, a technically sound website, content matching user intent, and valuable inbound links. DiagnoSEO streamlines SEO work. It provides tools for planning, auditing, and monitoring results. Whether you run a blog, online store, B2B service, or portal, the toolset can be tailored to every stage of your project.
The heart of the platform is the tools section. Here you’ll find everything you need for daily work: from keyword generators and topical map creators, through TF-IDF, SERP Analyzer, and Website Visibility Checker, to a technical audit, crawler, Content Editor, Backlink Checker, Rank Checker, Bulk Index Checker, as well as a dedicated SEO plugin and theme for WordPress. You can launch every tool independently, but true advantage comes from their synergy. The modules fit together into logical action paths.
SEO Projects
Projects group domains, URLs, and keyword lists in one place. This keeps your work organized and provides a full picture of all activities: audits, content changes, links, rankings, and indexation. Projects are also a starting point for team collaboration. You can set priorities, assign tasks, and create optimization checklists, making it easier to consistently deliver results in sprints.
SEO Checklist
The SEO Checklist is a practical guide to the fundamentals. Checkpoints include, among others, choosing your preferred domain version, HTTPS setup, friendly URLs, indexability, privacy policy and contact page, cookie consent, favicon, browser testing, W3C validation, analytics implementation, Google Search Console, XML sitemaps, and basic UX elements. You can tick off completed steps, focusing first on the highest-priority tasks such as indexation, security, and accurate analytics. This is a great starting point for new websites and a quick audit for existing projects.
Competitor Analysis
The Website Visibility Checker provides an instant overview of a domain’s or specific URL’s visibility: keywords, rankings, and trends. It’s the perfect tool for project kickoff and for periodic reviews of results. The SERP Analyzer, on the other hand, breaks down search results into their key factors. It identifies content length, header structure, the presence of enriched elements, and the nature of competing results. Combining these two modules allows you to plan specific SEO actions based on data.
Keywords
DiagnoSEO offers several tools for keyword research. The Keyword Generator quickly shows you a list of phrases, and the Keyword Ideas, Related Keywords, People Also Ask, Questions, and Autocomplete tools suggest long-tail keywords, user questions, and natural language phrases. The Topical Map Generator groups topics into clusters, helping you build topical authority. The TF-IDF tool highlights missing co-occurring phrases compared to the best-ranking sites in search results, making it easier to improve context and content relevance. For large keyword lists, the Bulk Search Volume Checker batch-verifies search volumes and streamlines prioritization.
On-page and Technical SEO
The SEO Audit scans your site for indexation, information architecture, meta tags, headers, response errors, redirects, structured data, and performance. In advanced settings, you can enable JavaScript rendering, work with the Googlebot user-agent, or use a proxy. Keyword Placement helps you naturally distribute keywords in key content elements, while the Website Crawler examines your entire site for structural problems, duplication, and navigational gaps. Website Monitoring watches over critical pages and alerts you to issues, and HTTP Request lets you quickly inspect headers and response statuses. This proves useful for debugging redirects, caching, or security policies.
Off-page SEO
Off-page modules focus on the quality and stability of your link profile. The Backlink Checker shows link sources, anchor text, most linked pages, and also new, lost, and broken links. This makes it easy to plan, identify the best link-building campaigns by ROI, and react to anomalies. Anchor Text Distribution helps maintain a natural anchor ratio, Backlink Locations assess the context of link placements, and TLD and referring domains breakdowns show the diversification of linking sites. For agencies and larger websites, the Bulk Backlink Checker speeds up competitor analysis and comparison.
Content
The content tools in DiagnoSEO combine AI support with SEO. The Content Editor enables optimization of text for UX, header structure, keyword density, and internal linking. Tools for outlines, headers, and paraphrasing accelerate optimization, and the Humanize AI feature helps smooth out AI-generated text. Snippet Preview lets you test how a title and description will appear in search results, making it easier to increase CTR. In combination with data from SERP Analyzer and TF-IDF, the editor becomes a command center for your site’s editorial team.
Analytics
There’s no SEO without measurement. Keyword Rank Checker tracks keyword positions for selected domains in specified countries and languages. Bulk Index Checker checks URL indexation at scale. SERP Checker shows search engine results in chosen locations, making it easy to compare markets and result types.
For WordPress
DiagnoSEO offers an SEO plugin for WordPress as well as solutions supporting the rapid implementation of best practices. The plugin makes it easy to configure SEO basics, integrate analytics, implement structured data, and maintain consistent meta tags. The Multi theme, optimized for performance, shortens page building times, while dedicated widgets, for example, for categories or tables of contents, help manage larger websites.
SEO Courses
Whether you’re just starting or scaling up, it’s worth building your SEO learning on practical work with tools. Going through the full workflow—SEO Checklist, Audit, keyword research, SERP Analyzer, Content Editor, links, and monitoring—is the best course with real impact on results.
Summary
DiagnoSEO brings together in one place what’s most important in SEO: reliable keyword research, precise SERP and competitor analysis, technical and on-page audits, backlink analysis, as well as keyword monitoring and site performance tracking. The tools work well individually, but their true power lies in synergy. Start with the Checklist, run an Audit and Crawler, build a topical and keyword map, prepare your content in the Content Editor, boost your site with links, and wrap it up with rank and indexation monitoring. This shortens delivery time and gives you a predictable, effective SEO process.