Tech stack detector
Detect JavaScript tools on any website
By Marnix Geerkens. Published 2026-06-01. Updated 2026-06-01.
In short
Scan any website with the free detector below to see its javascript tools. JavaScript libraries. We track 3 of them, and the detector also flags what the site is missing.
Detect javascript tools
Sample result
brightsmile-dental.com
8 technologies across 7 categories · scanned May 20, 2026
Gaps and opportunities
Every gap is a service you could sell this business every month. Ranges below are typical agency pricing, not guarantees.
No CRM detectedThis business is probably losing leads in inboxes and notebooks.
A CRM that captures every lead in one place$300 to $800/mo
You build it once in GoHighLevel.No chat or AI widgetNo way to capture or answer leads after hours.
An AI chat or voice agent that replies and books 24/7$500 to $1,500/mo
Built in GoHighLevel.No review or reputation toolNo system asking happy customers for Google reviews.
Review automation that runs on autopilot$200 to $500/mo
Set up once in GoHighLevel.No ad or conversion pixelThey are running ads blind, or not running ads at all.
Ad setup with proper tracking, plus management$500 to $2,000/mo
GoHighLevel tracks it end to end.No email marketing platformNo follow-up, so leads go cold after the first visit.
Email and SMS follow-up that nurtures every lead$300 to $1,000/mo
Built in GoHighLevel.JavaScript tools we detect
JavaScript libraries.
- jQuery: jQuery is a long standing JavaScript library for DOM work and Ajax. It is still common on older and CMS sites.
- GSAP: GSAP is a high performance animation library. Designers use it for smooth scroll and motion effects.
- Lodash: Lodash is a utility library that adds helpers for arrays, objects, and functions to JavaScript.
Frequently asked questions
How do I detect javascript tools on a website?
Paste any website into the detector at the top of this page. It reads the site's public technology profile and reports its javascript tools along with the rest of the stack.
Which javascript tools can this detect?
It recognizes the widely used javascript tools, including jQuery, GSAP, Lodash, and more.