Dev tools · alternatives · 2026

24 alternatives to SiteOne Crawler – in-depth website analyzer and exporter (open-source)

Please try out this website analyzer and provide feedback on how to improve the output report so that you love the tool. In the first few sentences of the README you will also find a link to the GUI application if you don't want the CLI. To give you an idea of the report, I am sending a sample HTML report for Apple.com - https://crawler.siteone.io/html/2024-08-19/forever/v-bnb7tu5...

SiteOne Crawler is an open-source website analyzer and exporter that scans websites and generates detailed reports. It offers both a command-line interface and a graphical application for users who prefer not to use… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SiteOne Crawler – in-depth website analyzer and exporter (open-source) launched in 2024; newer entries below may have overtaken it.

1. 1
   Crawler.sh▲349

   Ultra-fast desktop & CLI app that finds your SEO & AEO issues and allows you to extract your content as Markdown

   Mar 2026 · crawler.sh · its alternatives →

2. 2
   Crawly▲606

   Never write another web scraper

   2016 · crawly.diffbot.com · its alternatives →

3. 3SA
   Sitebulb, a website crawler and auditor for SEOs▲120

   Sitebulb is the revolutionary website crawler for better SEO audits. Twice winner of Best Search Software Tool. Desktop & Cloud crawling without compromise!

   2017 · sitebulb.com · its alternatives →

4. 4
   SEO Analyzer By Neil Patel▲267

   A free SEO analyzer for your site

   2019 · neilpatel.com · its alternatives →

5. 5
   Web scraping page analyzer▲166

   Performs analysis of a webpage to figure out the best way how to scrape its data. Provide a URL and data points to find and get back a detailed dashboar...

   2018 · apify.com · its alternatives →

6. 6
   CrawlRaven▲287

   SEO Hub for GSC + GA4 + a 200-point crawl

   Jul 2026 · crawlraven.com · its alternatives →

7. 7
   Sitebulb▲146

   Crawl and visualize your website structure

   2017 · sitebulb.com · its alternatives →

8. 8
   Website Downloader▲539

   Download source code from any website

   2016 · websitedownloader.io · its alternatives →

9. 9
   Crawlee▲229

   Build reliable web scrapers and robots, fast!

   2022 · crawlee.dev · its alternatives →

10. 10
    Site Audit by Ahrefs▲337

    Cloud based website analysis for 100+ SEO issues

    2017 · ahrefs.com · its alternatives →

11. 11
    Sitechecker▲303

    Toolkit to measure and track website SEO performance

    2020 · sitechecker.pro · its alternatives →

12. 12
    Crawlee – Web scraping and browser automation library for Node.js▲282

    Hey HN, This is Jan, founder of Apify, a web scraping and automation platform. Drawing on our team's years of experience, today we're launching Crawlee [1], the web scraping and browser automation library for Node.js that's designed for the fastest development and maximum reliability in production. For details, see the short video [2] or read the announcement blog post [3]. Main features: - Supports headless browsers with Playwright or Puppeteer - Supports raw HTTP crawling with Cheerio or JSDOM - Automated parallelization and scaling of crawlers for best performance - Avoids blocking using…

    2022 · crawlee.dev · its alternatives →

13. 13
    SiteAnalyzer▲8

    Website seo crawler for scanning

    2025 · site-analyzer.pro · its alternatives →

14. 14
    Headless Chrome Crawler▲172

    Distributed crawler powered by Headless Chrome. Contribute to yujiosaka/headless-chrome-crawler development by creating an account on GitHub.

    2018 · github.com · its alternatives →

15. 15
    SiteAnalyzer▲12

    Website SEO Crawler for technical audit of the websites

    2019 · site-analyzer.pro · its alternatives →

16. 16
    Crawlab: Open-Source Web Crawler Admin Platform That Runs Any Language▲116

    Distributed web crawler admin platform for spiders management regardless of languages and frameworks. - tikazyq/crawlab

    2019 · github.com · its alternatives →

17. 17
    SCRAPR▲260

    The data layer for the agentic web

    Mar 2026 · scraprbeta.vercel.app · its alternatives →

18. 18
    Online Web Scraper▲260

    Cloud hosted data extraction tool

    2016 · datascraping.co · its alternatives →

19. 19
    Free SEO Checker by Spotibo▲165

    An SEO checker that analyses based on Google's algorithm 👀

    2018 · spotibo.com · its alternatives →

20. 20
    SiteAnalyzer▲11

    Comprehensive SEO analysis to boost your website performance

    2025 · site-analyzer.ru · its alternatives →

21. 21
    A Python Spider System with Web UI▲159

    A Powerful Spider(Web Crawler) System in Python. Contribute to binux/pyspider development by creating an account on GitHub.

    2014 · github.com · its alternatives →

22. 22
    Webpecker▲120

    Data scraper & analyzer

    2023 · its alternatives →

23. 23
    Site Analyzer▲3

    A complete SEO toolset to improve your online visibility.

    2018 · site-analyzer.com · its alternatives →

24. 24
    Apify SDK – A scalable web crawling and scraping library for JavaScript▲78

    Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headf

    2018 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →