SpiderFoot vs Web Check
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
Open-source tool that automatically gathers public information about a target to map its internet exposure.
Open source · MIT
Open-source tool that runs many checks on a website, such as DNS, headers, and SSL details.
The short answer
Choose SpiderFoot if you need…
- Security professionals doing reconnaissance during penetration tests or red team exercises
- Organizations checking what they have exposed on the internet
- Threat intelligence researchers who want to query many data sources in one place
- People who want to use free or low-cost OSINT sources, since most modules do not require API keys
Choose Web Check if you need…
- Developers checking how a site is configured
- Sysadmins reviewing a domain's public setup
- Security researchers doing initial reconnaissance on a site they are authorised to examine
- Students learning about how websites are hosted and secured
Side-by-side
| SpiderFoot | Web Check | |
|---|---|---|
| Type | App | App |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 24.2k | 35.3k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Clone and build from source | See the README |
| Main language | Python | TypeScript |
| Last code update | 7 months ago | 4 days ago |
What each one is
SpiderFoot
SpiderFoot is an open-source intelligence (OSINT) automation tool. It connects to many data sources and runs modules that feed each other to collect and analyze information about a target such as a domain, IP address, or email address. It has a web interface and can also be run from the command line.
Web Check
Web Check is an open-source tool for looking into any website. You enter a domain and it gathers public information about it, such as network and security details, to help you understand how the site is set up. People use it for security research, troubleshooting, and curiosity about how a site is built. The README provided was empty, so this description relies mainly on the repository description and topics.
Best for
SpiderFoot
- Security professionals doing reconnaissance during penetration tests or red team exercises
- Organizations checking what they have exposed on the internet
- Threat intelligence researchers who want to query many data sources in one place
- People who want to use free or low-cost OSINT sources, since most modules do not require API keys
Web Check
- Developers checking how a site is configured
- Sysadmins reviewing a domain's public setup
- Security researchers doing initial reconnaissance on a site they are authorised to examine
- Students learning about how websites are hosted and secured
Strengths
SpiderFoot
- Over 200 modules covering many data sources, most without requiring API keys
- Offers both a web interface and command-line use
- MIT licensed and actively developed since 2012 according to the README
Web Check
- Open source under the MIT license
- Combines multiple website checks in one tool
- Actively maintained, with a recent push and a tagged 2.3.0 release
Not ideal for
SpiderFoot
- People who need a fully managed, cloud-hosted service; the README points to SpiderFoot HX for that
- Anyone without authorization to investigate the targets they enter, since the tool gathers data on people and systems
- Beginners with no networking or security background, as results need interpretation
Web Check
- Anyone needing guaranteed, complete security audits, since the README provided does not establish the depth of its checks
- Users who need results without any setup, as the install steps were not available in the provided README
Trade-offs
SpiderFoot
- Some modules need API keys, and many of those with keys are tiered or paid rather than free
- Features like cloud hosting, multi-user collaboration, and REST API are only in the paid SpiderFoot HX version
- The README is truncated here, so detailed setup requirements beyond the basic install are not fully covered
Web Check
- The provided README was empty, so specific features could not be verified
- Scope of checks and their accuracy are not described in the material provided
- Public lookups may raise privacy or legal questions depending on the target
Getting started
SpiderFoot
Clone the development build from git
git clone https://github.com/smicallef/spiderfoot.gitInstall Python libraries
pip3 install -r requirements.txtWeb Check
Clone the repository
git clone https://github.com/lissy93/web-checkFrequently asked questions
What is the difference between SpiderFoot and Web Check?
SpiderFoot: Open-source tool that automatically gathers public information about a target to map its internet exposure. Web Check: Open-source tool that runs many checks on a website, such as DNS, headers, and SSL details. SpiderFoot suits security professionals doing reconnaissance during penetration tests or red team exercises, while Web Check suits developers checking how a site is configured.
Are SpiderFoot and Web Check free?
SpiderFoot: Free and open source. Web Check: Free and open source.
Is SpiderFoot or Web Check more popular?
Web Check has more GitHub stars (35.3k) than SpiderFoot (24.2k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to SpiderFoot and Web Check?
Other options people compare them with include Hetty, Maigret, Zero.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.