Alternatives to Cloudflare Radar URL Scanner
Free Cloudflare web tool that scans a URL and reports its technologies, security and performance details. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Cloudflare Radar URL Scanner
Free Cloudflare web tool that scans a URL and reports its technologies, security and performance details.
Replacements
Listings that take over the same core job as Cloudflare Radar URL Scanner.
urlscan.io
Sandbox for the web that loads a URL and records screenshots, requests and indicators.
urlscan.io also loads a URL in a sandbox, adding a page screenshot and a record of every network request, with a documented API, though advanced use requires a paid plan.
Lookyloo
Open-source web forensics tool that captures a website and maps the redirects and resources it loads.
Lookyloo is open source under BSD-3-Clause and self-hostable, mapping redirects and loaded resources with capture through Tor or proxies.
urlquery
An online service that scans web pages for malware, suspicious elements and reputation problems.
urlquery focuses on malware, suspicious elements and reputation for a link, showing IP and hosting network, and recent submissions appear in a public list, so private URLs should be avoided.
Web Check
Open-source, self-hostable tool that analyses a website's DNS, security, headers and other public details.
Web Check is open source and can be self-hosted with Docker, combining DNS, security and header checks in one report, but running it yourself takes some setup.
Netcraft Site Report
A free web lookup that shows the hosting, server software and technologies behind any website.
Netcraft Site Report shows hosting, server software and technologies with hosting history, certificate details and a risk rating, and is subject to a fair use policy.
VirusTotal
Online service that checks a URL or file against many antivirus engines and URL scanners.
VirusTotal checks a URL or file against many antivirus engines and URL scanners, giving aggregated security verdicts rather than technology and performance details, and verdicts can disagree.
Also worth comparing
These listings name Cloudflare Radar URL Scanner as their own alternative, so the relationship runs both ways.
HackerTarget WhatWeb Scan
An online scan that runs WhatWeb and Wappalyzer to fingerprint the technologies behind a website.
Cloudflare Radar URL Scanner is free and reports security and performance details alongside technologies, checking one public URL at a time.
W3Techs Site Info
A free web lookup that shows the CMS, programming language, web server and host a site uses.
Cloudflare Radar URL Scanner reports technologies alongside security and performance details for one public URL, without a browser extension.
WhatCMS
A web tool that detects which CMS and other technologies power a given website.
Cloudflare Radar URL Scanner reports technologies alongside security and performance details for one public URL at a time, without batch detection or an API mentioned.
WhatWeb
Command-line web scanner that fingerprints the technologies running on a website.
Cloudflare Radar URL Scanner is a free proprietary web service reporting technologies plus security and performance, checking one public URL at a time.
Similar software
Related functionality, not a direct replacement.
BuiltWith
A web tool that detects the technologies a website is built with.
Hybrid Analysis
Free online sandbox that runs submitted files and URLs and reports on their behaviour.
Request Map Generator
A web tool that draws a node map of every request a page makes, including third parties.
Gridinsoft Website Reputation Checker
A free online checker that reports whether a URL or domain looks safe, suspicious or dangerous.
WhatRuns
A free browser extension that shows the technologies a website is built with.
