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StackScan VS What CMS

Compare StackScan VS What CMS and see what are their differences

StackScan

Discover the tech behind the web. StackScan tracks 50,000+ technologies across 100M+ websites with powerful filtering, keyword search, and stack intelligence.

StackScan Keyword Scan
Rating
5.0 · 1 review
Pricing
Paid $39 / Monthly
Alternatives Is it good?
WCM
What CMS

WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.

What CMS Landing page
Rating
0 reviews
Alternatives Is it good?
Finblick
Salesforce-native accounting software for quotes, invoices, e-invoices (XRechnung, ZUGFeRD), DATEV integration, bank sync, and SEPA payments – no external tools needed. sponsored

Which is more popular?

Based on our record, What CMS seems to be more popular. It has been mentioned 11 times since March 2021.

social mentions
0 vs 11
Lead Acquisition popularity
100% vs 0%
alternatives listed
30 vs 55

Base details

Website, pricing, platforms and company facts side by side.

StackScan
WCM
What CMS
Website stackscan.com whatcms.org
Pricing
Paid $39 / Monthly Official pricing
—
Company Startup from Canada · 10 - 19 employees · 2026 —
Listed in
Lead Acquisition B2B SaaS B2B Lead Lists Business Intelligence Business Growth Tools Lead Generation Sales Sales And Marketing Lead Management Marketing Platform SaaS +9
Market Research Sales Automation Lead Management Development +1

About StackScan and What CMS

In their own words, as submitted to SaaSHub.

StackScan
WCM
What CMS

StackScan helps businesses find and analyze websites based on the technologies they use or the keywords they target. Instead of manually researching websites one by one, users can instantly search across 100M+ domains and identify sites using platforms like Shopify, WordPress, WooCommerce,...

Read more about StackScan

No description of What CMS yet.

Features and specs

What each product offers, as listed by its team.

StackScan 5 features
WCM
What CMS 4 features
  • Comprehensive Stack Detection
    StackScan analyzes websites and provides detailed information about the technology stack being used, including frameworks, CMS platforms, programming languages, and third-party services, giving users a thorough overview of a site's technical infrastructure.
  • Competitive Analysis
    StackScan enables users to perform competitive analysis by revealing the technologies competitors are using, helping businesses make informed decisions about their own technology choices and strategies.
  • Easy to Use
    The tool offers a simple and straightforward interface where users can quickly look up a website's technology stack by entering a URL, making it accessible even to non-technical users.
  • Market Research Utility
    StackScan can be valuable for sales and marketing professionals who need to identify potential leads based on the technologies companies use, enabling more targeted outreach and prospecting efforts.
  • Free Access
    StackScan provides basic technology detection capabilities at no cost, allowing users to explore and analyze website technology stacks without requiring a paid subscription for fundamental lookups.
  • Extensive Database
    WhatCMS provides a comprehensive database of content management systems and their usage on websites, allowing users to identify which CMS a particular site is using. This can be valuable for market research and competitor analysis.
  • User Friendly Interface
    The platform offers an intuitive and easy-to-use interface for users to input website URLs and quickly get results on the CMS being used. This ease of use makes it accessible for both technical and non-technical users.
  • Free Access
    WhatCMS provides free access to its basic services, which allows users to explore and benefit from the platform without any initial financial investment.
  • API Access
    WhatCMS offers an API for developers to integrate CMS detection into their own applications, which can enhance the functionality of software and web services.

Possible disadvantages

  • Accuracy Limitations
    The accuracy of CMS detection may vary based on the techniques used by different websites to obscure or modify CMS footprints, leading to potential false positives or negatives.
  • Limited In-depth Analysis
    While WhatCMS identifies which CMS is being used, it doesn't provide in-depth analysis or insights into the site's implementation or customization of the CMS.
  • Premium Features
    Although basic access is free, some advanced features or higher usage quotas require a paid subscription, which may not be ideal for all users, especially those on a tight budget.
  • Dependency on Public Data
    WhatCMS relies on publicly available data to analyze websites, which may limit its ability to detect content management systems in more complex or obfuscated environments.

Analysis

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

StackScan
WCM
What CMS

Overall verdict

  • Based on available information, StackScan appears to be a capable tool for its intended purpose, but you should verify current features, pricing, and reviews directly before committing, as I cannot confirm specific details about this service.

Why this product is good

  • Positions itself as a specialized scanning and analysis solution that can save time on manual tasks
  • Likely offers automation features that streamline technology stack detection or security scanning workflows
  • May provide reporting and insights that help teams make informed decisions
  • Could integrate with existing developer or security tools depending on its feature set

Recommended for

  • Developers and engineering teams wanting to analyze technology stacks
  • Security professionals conducting vulnerability or dependency scans
  • Businesses seeking to audit their software and infrastructure
  • Teams looking to automate repetitive scanning and reporting tasks

Overall verdict

  • Overall, WhatCMS.org is a reliable and effective service for identifying CMS technologies. It's a great solution for those needing quick insights into site technologies, and it stands out for its comprehensive CMS database and frequent updates.

Why this product is good

  • WhatCMS.org is a useful tool for identifying the content management system (CMS) used by a website. It helps web developers, digital marketers, and researchers understand the technological framework behind a site, enabling competitive analysis, security assessments, and technology adoption studies. The tool is appreciated for its ease of use and accuracy in detection.

Recommended for

  • Web developers seeking to understand competitors' or clients' CMS choices.
  • Digital marketers conducting technology analysis for strategic planning.
  • Security professionals evaluating website security by understanding technology stacks.
  • Researchers conducting market studies on the adoption of various CMS platforms.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
StackScan
WCM
What CMS
100% 100%
Lead Acquisition
0% 0%
0% 0%
Market Research
100% 100%
100% 100%
B2B SaaS
0% 0%
0% 0%
Sales Automation
100% 100%

Questions & Answers

As answered by people managing StackScan and What CMS.

Why should a person choose your product over its competitors?

StackScan's answer

StackScan focuses on practical usability, broader stack coverage, advanced filtering, and scalable exports without unnecessary complexity. Users can quickly generate highly targeted datasets using filters like country, TLD, industry, and technology combinations, making research and lead generation faster and more precise.

What makes your product unique?

StackScan's answer

StackScan combines technology stack discovery and keyword-intent research in a single platform, allowing users to find websites not only by the tools they use but also by what they are targeting online. With coverage across 50,000+ technologies and 100M+ domains, it provides scalable, filterable, and export-ready web intelligence.

How would you describe the primary audience of your product?

StackScan's answer

StackScan is built for marketers, growth teams, agencies, sales teams, analysts, SaaS companies, and researchers who need structured web intelligence for prospecting, competitor analysis, market research, or technology adoption tracking.

What's the story behind your product?

StackScan's answer

StackScan was created to simplify the process of finding reliable website and technology data at scale. Existing solutions often felt limited, expensive, or difficult to use for targeted workflows, so StackScan was built as a practical and scalable platform that combines technology detection, keyword discovery, and bulk data access into one system.

Which are the primary technologies used for building your product?

StackScan's answer

StackScan is built using modern web technologies, large-scale crawling systems, distributed data processing, and technology fingerprinting engines designed to analyze and structure massive amounts of web data efficiently.

Who are some of the biggest customers of your product?

StackScan's answer

StackScan is used by agencies, SaaS businesses, growth teams, researchers, and data-driven organizations for lead generation, market intelligence, and competitive analysis across multiple industries.

User comments

Share your experience with using StackScan and What CMS. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

StackScan 5.0 · 1 review
WCM
What CMS no reviews yet
  • Amazing deal
    SaaSHub review
    · May 2026

    While it’s still in early stage, its lifetime deal is really a great value. Must get if you’re into lead generation.

We have no reviews of What CMS yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

StackScan 0 mentions
WCM
What CMS 11 mentions

Tracking StackScan since May 2026.

  • Daylight: A 60fps e-ink tablet
    Https://whatcms.org/?s=daylightcomputer.com It looks self made. - Source: Hacker News / over 2 years ago
  • What language or libraries is this website built with?
    I want to replicate something like this. I've tried https://whatcms.org https://bundlescanner.com https://builtwith.com https://wappalyzer.com to learn. It looks like Jquery Ui to me. Can someone help me please? Source: about 3 years ago
  • Learnprompting.pro - which theme?
    Does anyone know know which theme this site learnprompting.pro is using? whatcms.org is showing it's using shopify but it doesn't show the theme. I'm looking to launch a SaaS tool and this one looks just perfect for my use case. Or if... Source: over 3 years ago

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Alternatives to StackScan and What CMS

When comparing StackScan and What CMS, you can also consider the following products.

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