
OSS Document Scanner
GImageReader
Adobe Scan
Tesseract
Microsoft Lens
ABBYY FineReader
Genius Scan
FOSS Document Scanner

Lighthouse
DebugBear
GTmetrix
Scanly
PageSpeed Insights
WebPagetest
Oh Dear!
Free website audit with 100+ checks across performance, security, accessibility, SEO, and more.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | github.com | beavercheck.com |
| Pricing | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of OpenScan yet.
BeaverCheck is a free, open website audit tool that runs 100+ checks in a single scan. Paste any URL and get a full report covering Lighthouse performance, security headers, SSL/TLS, DNS, accessibility, SEO, content quality, legal compliance, technology detection, and more — all from 6 server...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
OpenScan Pi - 3D Scanner control interface
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing OpenScan and BeaverCheck.
BeaverCheck's answer:
BeaverCheck combines Lighthouse audits with 100+ additional checks across security, accessibility, SEO, content quality, compliance, and infrastructure — all in one scan from 6 global locations. No signup, no account, no credit card required. Results are instant, permanent, and publicly shareable.
BeaverCheck's answer:
Unlike GTmetrix or PageSpeed Insights which focus on performance only, BeaverCheck covers security headers, SSL, DNS, accessibility, SEO, legal compliance, and technology detection in a single scan. It's completely free with no account required, includes PDF and Markdown report exports, embeddable badges, and a free REST API.
BeaverCheck's answer:
Web developers, DevOps engineers, SEO professionals, and digital agencies who need a comprehensive website health check without juggling multiple tools. Also used by freelancers auditing client sites and developers monitoring their own projects.
BeaverCheck's answer:
BeaverCheck was built out of frustration with needing 5+ different tools to get a full picture of a website's health. We wanted one tool that runs Lighthouse, checks security headers, analyzes SSL, inspects DNS, validates accessibility, and detects technologies — all from one URL paste, with no friction.
BeaverCheck's answer:
Go, Google Lighthouse, SQLite, htmx, Alpine.js, Tailwind CSS, Playwright, and Chromium. Workers run distributed across 6 locations worldwide (Amsterdam, New York, Singapore, Santa Clara, Sao Paulo, Madrid).
BeaverCheck's answer:
BeaverCheck is a free public tool — anyone can use it without an account. It's used by individual developers, freelancers, and small agencies. We focus on being the best free option rather than targeting enterprise customers.
Share your experience with using OpenScan and BeaverCheck. For example, how are they different and which one is better?
When comparing OpenScan and BeaverCheck, you can also consider the following products.

Open-source mobile solution for document management; scan, recognize text, and share as PDF with ease.
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Collaborate effortlessly on projects. Whether you’re a team of 5 or studio of 50, Lighthouse will help you keep track of your project development with ease.
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gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
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Scan anything into a PDF using your mobile device.
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GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Compare GTmetrix to OpenScan or BeaverCheck: