SEO tools
Technical SEO tools
Technical SEO tools diagnose whether a search engine can reach, render, understand and index a site at all — the constraints that cap everything content and links can achieve.
What Technical SEO tools do
This is the diagnostic layer, and it draws on four sources that answer different questions: a crawl tells you what is reachable, rendering tells you what a bot receives after JavaScript runs, server logs tell you what crawlers actually requested, and first-party index data tells you what the engine did with it. No single tool covers all four well. The most common mistake in the category is treating a crawl as the whole picture — a crawlable page is not an indexed page, and only the engine can tell you which it is.
The sub-types inside this category
- Crawlers and auditors Establish what exists and what is broken. The base dataset for everything else.
- Rendering and validation tools Show what a bot receives after execution, and whether markup and mobile behaviour hold up.
- Log analysers The only source of truth on what crawlers requested, and how often, rather than what they could have.
- First-party consoles Indexation status and stated exclusion reasons, straight from the engine.
The Technical SEO tools in this directory
Matches product names, former names, categories, use cases and the company behind the tool.
Filter 33 of 33
Entry price is the lowest published figure on a plan you could buy on its own — add-ons and extra seats are excluded, and a tool whose vendor publishes no figure sits under “price not published” rather than being guessed at.
| Tool | What it is for | From | Evidence | Checked |
|---|---|---|---|---|
| Browseo Technical SEO | See a page as a crawler roughly sees it, with styling removed | Free | Free | 20 August 2026 |
| All in One SEO WordPress SEO | Cover a portfolio of sites under one licence rather than one subscription each | Free plugin; paid from $99/year list for one site | Free plan | 19 August 2026 |
| Alli AI SEO Automation | Deploy technical SEO changes to a live site without developer time | From $249/month (Business), or $2,990 billed annually | 20 August 2026 | |
| Conductor All-in-One SEO Platforms | Run SEO and answer-engine optimisation from one platform | Not publicly disclosed | Free trial | 20 August 2026 |
| Detailed SEO Extension SEO Browser Extensions | Check a page's title, description, canonical and robots directives in one click | Free | Free | 19 August 2026 |
| Google Lighthouse Page Speed & Core Web Vitals | Audit performance, accessibility, SEO and best practices on any page | Free and open source | Free | 20 August 2026 |
| Google PageSpeed Insights Page Speed & Core Web Vitals | Check whether a page passes Core Web Vitals using real-user data rather than a lab score | Free | Free | 19 August 2026 |
| Google Rich Results Test Schema & Structured Data | Check which Google rich results a page's markup is eligible for | Free | Free | 20 August 2026 |
| Google Search Console Search Console & Webmaster Tools | Find queries where a page already ranks poorly but earns impressions — the cheapest available wins | Free | Used in real workAlston videoFree | 9 August 2026 |
| JetOctopus Log File Analysis | Join crawl data to server logs to answer crawl-budget questions properly | From $159/month for 500,000 crawl pages | Free trial | 19 August 2026 |
| Lumar Website Crawlers | Crawl and monitor sites at a scale desktop and mid-market tools cannot reach | Not publicly disclosed | 19 August 2026 | |
| PageOptimizer Pro Content Optimization | Score a page's terms and structure against the pages currently ranking | From $40/month (Basic); Unlimited $72/month, or $62/month billed annually | 20 August 2026 | |
| Rank Math WordPress SEO | Get schema, redirects and 404 monitoring on a WordPress site without paying | Free plugin; PRO from €7.99/month billed annually, renewing at €8.99 | Free plan | 19 August 2026 |
| Schema App Schema & Structured Data | Deploy schema markup and entity linking across a large enterprise site | Not publicly disclosed | 20 August 2026 | |
| Schema Markup Validator Schema & Structured Data | Validate schema.org markup of any type for correctness | Free | Free | 20 August 2026 |
| Schema Pro Schema & Structured Data | Apply schema markup across a whole post type by rule rather than per post | $69/year, or $229 once for a lifetime licence; both cover unlimited websites | Free trial | 20 August 2026 |
| Screaming Frog SEO Spider Website Crawlers | Crawl a site and export every URL with its status code, canonical and indexability | Free up to 500 URLs; licence $279 per user/year | Free plan | 18 August 2026 |
| Scrunch AI Search / GEO / LLM Visibility | Audit whether your pages are readable by the AI agents that would cite them | From $250/month (Core) | AI searchFree trial | 18 August 2026 |
| Search Atlas All-in-One SEO Platforms | Have on-page fixes implemented rather than added to a backlog | From $99/month (1 project, 1 seat); 7-day free trial | Free trial | 19 August 2026 |
| Searchable AI Search / GEO / LLM Visibility | Track brand mentions and citations across ChatGPT, AI Overviews and Perplexity | From $125/month (Pro, 100 prompts); 20% off billed annually | AI searchFree trial | 20 August 2026 |
| SEO Site Checkup Site Auditing | Audit a site against 70-plus ranking factors with per-page issue detection | From $39/month (Basic), or $29/month billed yearly | Free trial | 20 August 2026 |
| SEO Tools for Excel SEO APIs | Pull titles, headings, meta descriptions and status data into a spreadsheet by formula | €129 per machine per year, with bulk discounts from two licences | Free trial | 20 August 2026 |
| Seobility Site Auditing | Audit a small site properly without paying anything | Free for one project; Premium 49.90 €/month | Free plan | 19 August 2026 |
| seoClarity All-in-One SEO Platforms | Run enterprise SEO across multiple domains and global teams | Rankings is query-priced; Research & Content from $2,500/month, Technical SEO from $3,200, Enterprise from $4,500 | 20 August 2026 | |
| SEOPress WordPress SEO | Cover unlimited client sites on one licence at a fixed annual price | Free plugin; PRO from $49/year for one site, $149 unlimited | Free plan | 19 August 2026 |
| SEOptimer Site Auditing | Generate white-label audit PDFs to hand to clients | From $29/month (DIY SEO), or $21.75/month billed annually | Free trial | 20 August 2026 |
| Sitebulb Website Crawlers | Produce a technical audit a client can read and act on without a specialist translating it | From $18/month (Lite); Pro $42/month | Free trial | 9 August 2026 |
| Sitechecker Site Auditing | Re-crawl after every deploy without spending a quota | From $83/month billed annually; $99/month monthly | Free trial | 19 August 2026 |
| Slim SEO WordPress SEO | Get WordPress SEO handled automatically with almost no setup | Free; Slim SEO Pro from $59/year | Free plan | 20 August 2026 |
| SmartCrawl WordPress SEO | Run scheduled site crawls that also apply fixes | From $36/year for 1 site under a standing 40% discount; list price $60 | Free plan | 20 August 2026 |
| The SEO Framework WordPress SEO | Handle WordPress on-page SEO without ads or upsells in the admin | Free; paid extensions from $7/month billed yearly | Free plan | 20 August 2026 |
| WooRank Site Auditing | Produce unlimited website reviews without watching a crawl allowance | From $89.99/month (Pro), or $53.25/month billed yearly | Free trial | 20 August 2026 |
| Yoast SEO WordPress SEO | Control titles, meta descriptions, canonicals and sitemaps on a WordPress site | Free plugin; Premium $118.80/year ex VAT | Free plan | 19 August 2026 |
Nothing matches that combination. Suggest a tool that is missing.
Let's build your search & AI visibility blueprint
Get in touch to see if I can help you.
Tell me about your SaaS, your current search visibility and the growth number you care about. You will get a straight answer on whether SEO and AI search can move your numbers, and a personalised blueprint if they can. If they cannot, I will say so.
Free SaaS search & AI visibility blueprint
Opportunity map, keyword gaps, AI visibility baseline, technical priorities and a 90-day plan.
You work with me, not an account manager
The person who audits your site is the person who ships the strategy.
Reported against revenue
Signups, trials, MRR and AI share-of-voice, not impressions.
An honest yes or no
I only take on SaaS companies I believe I can get results for.