Extensions Reloader
Developer ToolsFree
Reload all unpacked extensions using the extension's toolbar button or by browsing to "http://reload.extensions"
4.4141 reviews10K+
View Extension
Wappalyzer
Identifies the technology stack behind any website.
4.62,000 reviews~3M+ usersDeveloper ToolsBy Wappalyzer
Freemium
Reviewed by the Single Tab Browser editorial teamLast tested 2026-05-25Wappalyzer screenshots
Overview
Wappalyzer detects frameworks, CMSs, analytics, payment processors and hosting used by the site you are viewing, which is useful for competitive research and lead qualification.
Wappalyzer is a developer tools Chrome extension from Wappalyzer with roughly 3M users on the Chrome Web Store. It holds a 4.6-star average across 2K ratings, which puts it among the better-reviewed options in its category. Pricing is freemium, listed at From $149/mo.
Wappalyzer detects frameworks, CMSs, analytics, payment processors and hosting used by the site you are viewing, which is useful for competitive research and lead qualification.
The trade-off is the usual one for a freemium extension: the free tier gets you the core feature and the paid tier unlocks the parts most people eventually want. With 3M users, complaints and fixes surface quickly, so check the review notes below before installing it alongside other developer tools extensions.
How to install and set up Wappalyzer
- 1Open the Chrome Web Store listing for Wappalyzer and click Add to Chrome, then Add extension.
- 2Pin the icon: click the puzzle-piece button in Chrome's toolbar, find it in the list and click the pin so it stays visible.
- 3Open the extension once and walk through its first-run screen — a developer tools extension usually asks which sites it may act on.
- 4Test it on a page you know well before relying on it for daily work.
- 5To remove it later, right-click the toolbar icon and choose Remove from Chrome, or use chrome://extensions.
Key features
Wappalyzer detects frameworks, CMSs, analytics, payment proc
Wappalyzer detects frameworks, CMSs, analytics, payment processors and hosting used by the site you are viewing, which is useful for competitive…
Who should use Wappalyzer?
Developers, agencies and sales teams researching what a site is built with.
Pricing
Wappalyzer is freemium — From $149/mo. The free tier is usable for evaluation; compare paid tiers before committing a team.
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View ExtensionFrequently asked questions
Is Wappalyzer free?
It is a freemium extension with a listed price of From $149/mo. The free tier covers the core feature; paid tiers unlock the rest.
How many people use Wappalyzer?
Roughly 3M Chrome users have it installed, and it holds a 4.6-star average from 2K ratings.
Is Wappalyzer safe to install?
Wappalyzer is published on the official Chrome Web Store by Wappalyzer, so it passes Google's review. Check the permissions it asks for on install and prefer the store listing over third-party mirrors.
What are the best Wappalyzer alternatives?
The alternatives page lists the closest developer tools extensions ranked by installs and rating, with a head-to-head comparison for the top pick.
Related extensions to Wappalyzer
Picked from the Developer Tools category and the tags tech stack, developer, research — jump straight to the alternatives and head-to-head pages people open next.
Best Developer Tools Chrome extensionsExtensions Reloader alternativesReload all unpacked extensions using the extension's toolbar button or by browsing to "http://reload.extensions"Web Developer alternativesAdds a toolbar button with various web developer tools.Web Scraper alternativesPoint-and-click scraper that exports site data to CSV.JSON Formatter alternativesMakes raw JSON responses readable in the browser.Wappalyzer vs JSON FormatterEssential developer Chrome extensions?React Developer Tools vs WappalyzerReact Developer Tools or Wappalyzer: which should I install?React Developer Tools vs JSON FormatterReact Developer Tools or JSON Formatter: which should I install?Keywords Everywhere vs SEOquakeKeywords Everywhere or SEOquake for keyword research?All Developer Tools extensionsEvery developer tools extension in the directory, ranked.
Compare Wappalyzer with the obvious rivals
Side-by-side feature tables, pricing and a clear recommendation.
Wappalyzer vs JSON FormatterStack detection for recon work against readable API responses in the browser.React Developer Tools vs WappalyzerBoth are developer tools extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.JSON Formatter vs WappalyzerHead-to-head breakdown with real install and rating data.Web Developer vs WappalyzerHead-to-head breakdown with real install and rating data.Wappalyzer vs Web ScraperHead-to-head breakdown with real install and rating data.Wappalyzer alternativesRanked replacements if Wappalyzer is not the right fit.All comparisonsThe full compare hub, grouped by category.