# Tech Stack Detector - Website Technology Lookup (`uianalize/tech-stack-detector`) Actor

Find which technologies any list of websites uses: CMS, e-commerce platform, analytics, ad pixels, live chat, payments, consent tools, CDN and hosting. Bulk lookup, CSV/JSON export. Pay only for sites successfully analysed.

- **URL**: https://apify.com/uianalize/tech-stack-detector.md
- **Developed by:** [Webstack Data](https://apify.com/uianalize) (community)
- **Categories:** Lead generation, Developer tools, SEO tools
- **Security:** Limited permissions
- **Stats:** 2 total users, 1 monthly users, 100.0% runs succeeded, 0 bookmarks
- **User rating**: No ratings yet

## Pricing

from $1.50 / 1,000 site analyzeds

This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.

Learn more: https://docs.apify.com/actors/running/actors-in-store.md#pay-per-event

## What's an Apify Actor?

An Actor is a serverless cloud program that runs on the Apify platform. It has two run modes.
In Batch mode, an Actor accepts a well-defined JSON input, performs an action which can take anything from a few seconds to a few hours,
and optionally produces a well-defined JSON output, datasets with results, or files in key-value store.
In Standby mode, an Actor provides a web server which can be used as a website, API, or an MCP server.

Apify vocabulary and the platform model are defined once, in the agent quickstart at https://apify.com/agents.md.

## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready.

Do not guess an integration path. Every one of them is in the agent quickstart at https://apify.com/agents.md: the Apify MCP server, Agent Skills with the Apify CLI, the JavaScript and Python clients, the REST API, and the account-free path for an agent with no human to sign in. It also carries the rule on stating cost before the first paid run.

For examples already wired to this Actor's own input schema, see the [API](#api) section below.

Each client library has reference documentation the quickstart does not restate: [JavaScript/TypeScript](https://docs.apify.com/api/client/js/docs.md) (`npm install apify-client`) and [Python](https://docs.apify.com/api/client/python/docs.md) (`pip install apify-client`).

# README

## Tech Stack Detector – find the CMS, e-commerce platform, analytics and ad pixels of any website

Paste a list of domains and get back, for each one, the technologies it runs: **CMS, e-commerce platform, JavaScript framework, analytics, tag manager, advertising pixels, marketing automation, live chat, payments, cookie-consent tool, CDN, hosting and web server**, with versions where the site exposes them.

It is a lightweight alternative to BuiltWith or Wappalyzer lookups for when you need **hundreds or thousands of sites at once**, exported to CSV, Excel or JSON, or called from your own code or AI agent through the Apify API.

### What can you use it for?

- **Lead qualification** – keep only prospects that use Shopify, WooCommerce, HubSpot or Stripe before you reach out.
- **Competitor research** – see which analytics, ad networks and chat tools your competitors pay for.
- **Market sizing** – count how many sites in a list run a given platform.
- **Agency audits** – check client sites for missing analytics, consent tools or outdated stacks.
- **Data enrichment** – add a "technologies" column to any list of company domains.

### What does it detect?

About 130 technologies in 30+ categories, including WordPress, Shopify, WooCommerce, Magento, PrestaShop, Wix, Squarespace, Webflow, Next.js, Nuxt, React, Vue, Google Analytics, Google Tag Manager, Meta Pixel, Google Ads, LinkedIn Insight, TikTok Pixel, HubSpot, Klaviyo, Mailchimp, Intercom, Zendesk, Stripe, PayPal, Klarna, OneTrust, Cookiebot, Cloudflare, Vercel, Netlify, Nginx and Apache. The list grows with every release.

Detection reads only what a normal browser receives from the homepage: HTML, script URLs, meta tags, response headers and cookie **names** (cookie values are never stored).

### Input

```json
{
  "urls": ["apify.com", "https://www.example-shop.com"],
  "maxConcurrency": 10,
  "timeoutSecs": 20,
  "respectRobotsTxt": true
}
```

### Output (one row per site)

```json
{
  "input": "example-shop.com",
  "finalUrl": "https://www.example-shop.com/",
  "statusCode": 200,
  "title": "Example Shop",
  "technologyCount": 7,
  "categories": {
    "E-commerce": ["Shopify"],
    "Analytics": ["Google Analytics"],
    "Advertising": ["Meta Pixel"],
    "CDN": ["Cloudflare"]
  },
  "technologies": [
    { "name": "Shopify", "category": "E-commerce", "version": null, "evidence": "header:x-shopid" }
  ],
  "error": null,
  "checkedAt": "2026-11-01T12:00:00.000Z"
}
```

### Pricing

Pay per event: a small fee per run plus a fee per **successfully analysed site**. Sites that fail (timeouts, invalid URLs, blocked by robots.txt) are **free**. You can set a maximum cost per run and the Actor stops when it is reached.

### Good to know

- Only the homepage is fetched (two requests per site at most: robots.txt and the page). It does not log in, bypass protections or collect personal data.
- Technologies loaded only after user interaction or inside other pages may not be visible.
- Detection is based on public signatures; results are indicative, not guaranteed.

### Integrations

Run it on a schedule, call it from the Apify API, or connect it to Make, Zapier, n8n or an AI agent via the Apify MCP server.

***

#### En español

Detecta qué tecnologías (CMS, tienda online, analítica, píxeles de publicidad, chat, pagos, CDN y hosting) usa cualquier lista de webs. Pagas solo por las webs analizadas correctamente; las que fallan son gratis.

# Actor input Schema

## `urls` (type: `array`):

Domains or URLs to analyse, e.g. example.com or https://shop.example.com. Duplicates are removed.

## `maxConcurrency` (type: `integer`):

How many sites to analyse in parallel.

## `timeoutSecs` (type: `integer`):

Maximum time to wait for each site.

## `respectRobotsTxt` (type: `boolean`):

Skip sites whose robots.txt disallows the homepage. Skipped sites are not charged.

## `includeFailed` (type: `boolean`):

Add a free row with the error for sites that could not be analysed.

## Actor input object example

```json
{
  "urls": [
    "apify.com",
    "shopify.com",
    "wordpress.org"
  ],
  "maxConcurrency": 10,
  "timeoutSecs": 20,
  "respectRobotsTxt": true,
  "includeFailed": true
}
```

# Actor output Schema

## `results` (type: `string`):

No description

# API

You can run this Actor programmatically using our API. Below are code examples in JavaScript, Python, and CLI, as well as the OpenAPI specification and MCP server setup.

## JavaScript example

```javascript
import { ApifyClient } from 'apify-client';

// Initialize the ApifyClient with your Apify API token
// Replace the '<YOUR_API_TOKEN>' with your token
const client = new ApifyClient({
    token: '<YOUR_API_TOKEN>',
});

// Prepare Actor input
const input = {
    "urls": [
        "apify.com",
        "shopify.com",
        "wordpress.org"
    ]
};

// Run the Actor and wait for it to finish
const run = await client.actor("uianalize/tech-stack-detector").call(input);

// Fetch and print Actor results from the run's dataset (if any)
console.log('Results from dataset');
console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
const { items } = await client.dataset(run.defaultDatasetId).listItems();
items.forEach((item) => {
    console.dir(item);
});

// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

```

## Python example

```python
from apify_client import ApifyClient

# Initialize the ApifyClient with your Apify API token
# Replace '<YOUR_API_TOKEN>' with your token.
client = ApifyClient("<YOUR_API_TOKEN>")

# Prepare the Actor input
run_input = { "urls": [
        "apify.com",
        "shopify.com",
        "wordpress.org",
    ] }

# Run the Actor and wait for it to finish
run = client.actor("uianalize/tech-stack-detector").call(run_input=run_input)

# Fetch and print Actor results from the run's dataset (if there are any)
print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
for item in client.dataset(run.default_dataset_id).iterate_items():
    print(item)

# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

```

## CLI example

```bash
echo '{
  "urls": [
    "apify.com",
    "shopify.com",
    "wordpress.org"
  ]
}' |
apify call uianalize/tech-stack-detector --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "type": "http",
            "url": "https://mcp.apify.com/?tools=fetch-actor-details,uianalize/tech-stack-detector"
        }
    }
}
```

The hosted server signs you in with OAuth on first connect, so no API token belongs in this config. Clients without OAuth support can send an `Authorization: Bearer <APIFY_API_TOKEN>` header instead, using a token from API & Integrations in Apify Console (https://console.apify.com/settings/integrations).

## OpenAPI specification

Download the OpenAPI definition: https://api.apify.com/v2/actors/4gx9FvULQ0qdlhZLz/builds/dcyyExxOPLFZExEBv/openapi.json