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SEOnaut vs advertools

SEOnaut (Open-source web-based SEO auditing tool (self-hosted or hosted)) and advertools (Python library with a Scrapy-based SEO crawler) on the same 24 capabilities, with a source for every cell and charts counted from the table.

Checked 21 October 2026 against each vendor's own public pages. Sources below.

SEOnaut

Open-source web-based SEO auditing tool (self-hosted or hosted)

Free MIT self-host; hosted Growth $9/monthRuns on your machine

advertools

Python library with a Scrapy-based SEO crawler

Free, MIT licence; no paid tierRuns on your machine

Compatibility at a glance

SEOnaut scores 8 on coverage and 25 on automation; advertools scores 21 and 25. Both out of 100, counted from the table.

Out of 24 capabilities we compare for every tool.

6both have
1only SEOnaut
6only advertools

Market map

Crawl, audit and data coverage / Automation and AI agents: SpiderHead 71·83, Screaming Frog 92·75, Sitebulb 88·58, Ahrefs Site Audit 75·75, Semrush Site Audit 63·75, SEOnaut 8·25, LibreCrawl 29·50, advertools 21·2500252550507575100100Crawl, audit and data coverage →Automation and AI agents →SpiderHeadScreaming FrogSitebulbAhrefs Site AuditSemrush Site AuditSEOnautLLibreCrawlAadvertools
Scores are counted from the table: yes = 1, partly = ½, no or not found in public docs = 0, as a share of the rows on each axis. Horizontal: Crawl, audit and data coverage (12 rows). Vertical: Automation and AI agents (6 rows). Hover or focus a marker for the breakdown; click to keep it open.

Coverage by group

Share of rows each tool covers in a group, 0–100, counted from the table below.

90Price and setup5 rows100
0Interfaces2 rows0
0AI agents and integrations2 rows25
33Crawl3 rows33
0Audit5 rows20
0Data sources4 rows13
17Reports and follow-up3 rows33
25Overall24 rows38

Side by side

CapabilitySEOnautadvertools
Price and setup
Free to useYes: Free MIT self-host; hosted Growth $9/monthYes: Free, MIT licence; no paid tier
Open sourceYes: Yes, MIT licence (LICENSE file / README)Yes: Yes, MIT licence
Runs on your machineYes: Self-hosted via Docker; hosted version also existsYes: Runs in your own Python environment
Works without an accountPartly: Sign-in in the web app; hosted needs sign-upYes: None for crawling (some SERP APIs need own keys)
Free tierYes: Hosted Lite: 1 project, 500 URLs; self-host: none statedYes: No limits; free library
Interfaces
Desktop appNo: Web app run via Docker, no native appNo: Python library, no native app
Command lineNot found in public docs: Not found in public docsNot found in public docs: No CLI documented; used from Python
AI agents and integrations
MCP server for AI agentsNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
APINot found in public docs: Not found in public docsPartly: Python API; no hosted web API
Crawl
JavaScript renderingNot found in public docs: Not found in public docsNo: Not built in; scrapy-playwright mentioned
Scheduled crawlsYes: Hosted Growth lists recurring auditsNo: No built-in scheduler; run via your own cron
Custom extractionNot found in public docs: Not found in public docsYes: CSS and XPath selectors via crawl()
Audit
Audit checksNot found in public docs: No count published; issues in 3 severity levelsNo: No fixed audit checklist; raw crawl data columns
HreflangNot found in public docs: Not found in public docsPartly: Extracts alternate/hreflang links; no audit report
Structured dataNot found in public docs: Not found in public docsPartly: Extracts JSON-LD columns; no validation
Core Web Vitals / LighthouseNot found in public docs: Not found in public docsNo: Not documented for the crawler
AccessibilityNot found in public docs: Not found in public docsNo: Not documented
Data sources
Google Search ConsoleNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Google Analytics 4Not found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Backlink dataNot found in public docs: Not found in public docsNo: No backlink data in the crawler
Keyword dataNot found in public docs: Not found in public docsPartly: SERP functions for Google and YouTube (own API keys)
Reports and follow-up
Report exportsPartly: Report export mentioned; formats not namedPartly: JSON Lines output; parquet conversion; pandas
Task list and fix recheckNot found in public docs: Not found in public docsPartly: compare() diffs two crawls; no task tracking
Reads Screaming Frog exportsNot found in public docs: Not found in public docsNo: Not documented
yespartlynonot found in public docs

Where each one is stronger

SEOnaut

  • Ships as a ready web dashboard with charts and issues grouped by severity, with no scripting needed
  • MIT-licensed code that can be self-hosted with a Docker compose file
  • Offers an optional hosted version with team collaboration and recurring audits
  • Stores crawl results in MySQL, which suits a persistent multi-project web interface

advertools

  • Fully scriptable in Python with every Scrapy setting exposed, so crawl behavior is highly customisable
  • Crawl output is tidy tabular data for pandas, including large crawls through parquet conversion
  • Also covers sitemap and robots.txt downloads, log-file parsing and SERP API helpers in one package
  • Free MIT-licensed code with no URL limits or account

Questions

Which is cheaper, SEOnaut or advertools?
SEOnaut: Free MIT self-host; hosted Growth $9/month. advertools: Free, MIT licence; no paid tier. Prices as published on 21 October 2026; check the vendors' pricing pages before you buy.
Does SEOnaut or advertools run on my own machine?
SEOnaut: self-hosted via Docker; hosted version also exists. advertools: runs in your own Python environment.
Can AI agents use SEOnaut or advertools?
MCP server — SEOnaut: not found in public docs; advertools: not found in public docs. API — SEOnaut: not found in public docs; advertools: python API; no hosted web API.
Is SEOnaut free?
The community edition is open source under the MIT licence and can be self-hosted. The hosted service lists a free Lite plan (1 project, 500 URLs) and a Growth plan at $9/month on its site as of 2026-10-21.
Is advertools an audit tool with reports?
No fixed audit checklist is published. It extracts page elements into data tables, and the analysis is done by the user in pandas; a few helpers cover links, images, redirects and crawl comparison.

How we compared

  • Every cell comes from the vendor's own public pages (product, documentation, pricing, release notes, repository) on 21 October 2026.
  • “Not found in public docs” means we could not confirm it from an official source, not that the feature is missing. Charts count it as 0.
  • Prices and plans change. Check the vendor's pricing page before you buy.
  • Spotted something out of date? Tell us and we will correct it.

Sources

SEOnaut is a trademark of SEOnaut project (open source). advertools is a trademark of advertools project (open source). Names and icons identify the products compared; SpiderHead is not affiliated with, endorsed or sponsored by SEOnaut project (open source) or advertools project (open source). Owners can ask us to remove an icon via contact.

Compare with SpiderHead

SpiderHead vs SEOnautOpen-source web-based SEO auditing tool (self-hosted or hosted)SpiderHead vs advertoolsPython library with a Scrapy-based SEO crawlerAll tools, one table8 SEO crawlers and audit tools

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