Web Check is described as 'Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using' and is a popular Website Audit tool in the security & privacy category. There are more than 10 alternatives to Web Check for a variety of platforms, including Web-based, Google Chrome, Mozilla Firefox, Mac and Windows apps. The best Web Check alternative is SiteOne Crawler, which is both free and Open Source. Other great apps like Web Check are Google Lighthouse, SpiderFoot, Pingdom and Blacklight Privacy Inspector.
A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter.
Czechia
EU
Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.
United States
Automates open source intelligence by collecting, analyzing, and correlating data from diverse sources, offering web and command-line interfaces, modular plugins, detailed reports, data export, platform flexibility, and support for advanced integrations.
MaltaEU
Tracks uptime, downtime, and page speed with synthetic and real user monitoring, simulates critical flows, analyzes visitor data by location, device, and browser, sends instant alerts, and provides analytics and reporting to troubleshoot and optimize sites.
United States
Who is peeking over your shoulder while you work, watch videos, learn, explore, and shop on the internet? Enter the address of any website, and Blacklight will scan it and reveal the specific user-tracking technologies on the site—and who’s getting your data.
United States
PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.
United States
OSINT tool is a browser extension and web application built for researchers, investigators, journalists and intelligence analysts. Our extension gives you access to a suite of OSINT utilities directly on any webpage you visit.
South Africa
The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.
United Kingdom
ANY.RUN is interactive sandbox simplifies malware analysis of threats that target both Windows and Linux systems. ANY.RUN's threat intelligence products, TI Lookup, Yara Search and Feeds, help you find IOCs or files to learn more about the threats and respond to incidents faster.
AustriaEU
Bitdefender Link Checker is a free tool designed to verify URLs, helping users avoid malware, phishing attempts, and counterfeit websites.
RomaniaEU
urlscan.io is a free service to scan and analyse websites. When a URL is submitted to urlscan.io, an automated process will browse to the URL like a regular user and record the activity that this page navigation creates.
GermanyEU
Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.
United States
