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

Find out what any website is built with: CMS, ecommerce platform, JS framework, hosting/CDN, analytics, ad pixels, chat, payments, consent tools (120+ technologies) with versions and evidence. Bulk domains, no browser needed, pay per site.

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

## Pricing

$3.00 / 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 What Any Website Is Built With (Wappalyzer Alternative)

**Bulk-detect the technology stack of any list of websites: CMS, ecommerce platform, JavaScript framework, hosting and CDN, analytics, ad pixels, live chat, payments, cookie consent and more.** It covers 120+ technologies, with versions where the site exposes them and the evidence for every match. No browser is needed, so it's fast and cheap.

### Why use it

- **Lead generation and sales prospecting**: find all Shopify stores, sites running HubSpot, or companies using Intercom in your list
- **Competitor research**: see which analytics, A/B testing and marketing tools competitors use
- **Agencies**: qualify prospects (e.g. old WordPress or jQuery sites, no consent tool)
- **Market research**: measure technology adoption across thousands of domains

### What it detects (examples)

| Category | Technologies |
|---|---|
| CMS / builders | WordPress, Drupal, Joomla, Ghost, Wix, Squarespace, Webflow, Framer, HubSpot CMS, Contentful, Sanity |
| Ecommerce | Shopify, WooCommerce, Magento, BigCommerce, PrestaShop, Salesforce Commerce Cloud |
| Frameworks | Next.js, Nuxt, React, Vue, Angular, SvelteKit, Astro, Remix, jQuery, Tailwind, Bootstrap |
| Hosting / CDN | Cloudflare, Fastly, CloudFront, Akamai, Vercel, Netlify, GitHub Pages, WP Engine, Kinsta |
| Analytics / ads | GA4, GTM, Segment, Mixpanel, Amplitude, Hotjar, Clarity, PostHog, Meta Pixel, LinkedIn, TikTok, Google Ads |
| Marketing / chat / payments | HubSpot, Marketo, Klaviyo, Mailchimp, Intercom, Drift, Zendesk, Crisp, Stripe, PayPal, Paddle |
| Security / consent | reCAPTCHA, hCaptcha, Turnstile, OneTrust, Cookiebot, HSTS, HTTP/3 |

### Input

```json
{ "urls": ["allbirds.com", "https://wordpress.org", "vercel.com"] }
```

### Output

```json
{
  "domain": "www.allbirds.com", "status": 200, "technologyCount": 8,
  "technologyNames": ["Shopify", "Tailwind CSS", "Cloudflare", "Google Tag Manager", "Microsoft Clarity", "OneTrust", "HSTS", "HTTP/3"],
  "byCategory": { "Ecommerce": ["Shopify"], "CDN": ["Cloudflare"], "Tag manager": ["Google Tag Manager"], "Analytics": ["Microsoft Clarity"], "Cookie consent": ["OneTrust"] },
  "technologies": [ { "name": "Shopify", "category": "Ecommerce", "version": null, "confidence": "high", "evidence": ["header x-shopid: ...", "html: cdn.shopify.com"] } ]
}
```

### Pricing (pay per event)

**$0.003 per site analyzed** ($3 per 1,000 sites). There is no start fee, and **sites that fail to load are free**.

### Notes

Detection uses the homepage's server HTML, response headers and cookies, without running JavaScript. Tools injected only at runtime (for example tags fired from inside GTM) may not be visible. Sites behind strict bot protection may return an error, and those aren't charged.

# Actor input Schema

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

Domains or URLs, one per line. Each successfully analyzed site is one event.

## `concurrency` (type: `integer`):

How many sites to fetch at once.

## Actor input object example

```json
{
  "urls": [
    "https://www.allbirds.com",
    "https://wordpress.org",
    "https://vercel.com"
  ],
  "concurrency": 10
}
```

# Actor output Schema

## `overview` (type: `string`):

Technology names and categories per site.

## `detailed` (type: `string`):

Per-technology version, confidence and matching evidence.

# 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": [
        "https://www.allbirds.com",
        "https://wordpress.org",
        "https://vercel.com"
    ]
};

// Run the Actor and wait for it to finish
const run = await client.actor("iveeeeeen/website-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": [
        "https://www.allbirds.com",
        "https://wordpress.org",
        "https://vercel.com",
    ] }

# Run the Actor and wait for it to finish
run = client.actor("iveeeeeen/website-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": [
    "https://www.allbirds.com",
    "https://wordpress.org",
    "https://vercel.com"
  ]
}' |
apify call iveeeeeen/website-tech-stack-detector --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "type": "http",
            "url": "https://mcp.apify.com/?tools=fetch-actor-details,iveeeeeen/website-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/38MhyUJsNML7sO6dX/builds/z5Otih5649BQG3bnJ/openapi.json