# Fast Evidence-Backed Website Tech Stack Detector (`rtworule/bulk-website-tech-detector`) Actor

Detect 72 common CMS, ecommerce, framework, analytics, marketing, payment, hosting, server, security, and CDN signals from public sites with evidence.

- **URL**: https://apify.com/rtworule/bulk-website-tech-detector.md
- **Developed by:** [Kunteper Koyu](https://apify.com/rtworule) (community)
- **Categories:** Developer tools, Lead generation, Business
- **Stats:** 2 total users, 0 monthly users, 100.0% runs succeeded, 0 bookmarks
- **User rating**: No ratings yet

## Pricing

$1.00 / 1,000 website 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/platform/actors/running/actors-in-store#pay-per-event

## What's an Apify Actor?

Actors are a software tools running on the Apify platform, for all kinds of web data extraction and automation use cases.
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.
Actors are written with capital "A".

## 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.
The best way to integrate Actors is as follows.

In JavaScript/TypeScript projects, use official [JavaScript/TypeScript client](https://docs.apify.com/api/client/js.md):

```bash
npm install apify-client
```

In Python projects, use official [Python client library](https://docs.apify.com/api/client/python.md):

```bash
pip install apify-client
```

In shell scripts, use [Apify CLI](https://docs.apify.com/cli/docs.md):

````bash
# MacOS / Linux
curl -fsSL https://apify.com/install-cli.sh | bash
# Windows
irm https://apify.com/install-cli.ps1 | iex
```bash

In AI frameworks, you might use the [Apify MCP server](https://docs.apify.com/platform/integrations/mcp.md).

If your project is in a different language, use the [REST API](https://docs.apify.com/api/v2.md).

For usage examples, see the [API](#api) section below.

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).


# README

## Fast Evidence-Backed Website Tech Stack Detector

Detect 72 common website technologies in bulk from public response headers and bounded HTML. Every detection can include the source-backed evidence behind it, making the results useful for lead enrichment, sales intelligence, competitor research, migration planning, and portfolio audits.

### What it detects

- CMS and ecommerce platforms
- JavaScript and CSS frameworks
- analytics and tag managers
- marketing, chat, and support tools
- hosting platforms, servers, and CDNs
- visible version or implementation clues when a signature exposes them

Results include the final URL, HTTP status, title, relevant server headers, technology count, categorized technologies, optional evidence, errors, and timestamp.

### Common use cases

- identify WordPress, Shopify, analytics, CDN, or framework users for prospecting
- enrich domains in a CRM or lead-scoring pipeline
- compare competitor and portfolio technology choices
- scope migrations and technical due diligence
- replace slow manual BuiltWith-style checks for a focused URL list

### Quick start

1. Click **Try for free** or **Run**.
2. Paste one or more public website URLs.
3. Leave **Include detection evidence** enabled when you need auditable results.
4. Run the Actor and export the dataset.

```json
{
  "urls": ["https://apify.com", "https://wordpress.org"],
  "concurrency": 10,
  "timeoutSeconds": 20,
  "maxRedirects": 5,
  "includeEvidence": true
}
````

### Example result

```json
{
  "inputUrl": "https://wordpress.org",
  "finalUrl": "https://wordpress.org/",
  "statusCode": 200,
  "ok": true,
  "title": "Blog Tool, Publishing Platform, and CMS – WordPress.org",
  "server": "nginx",
  "technologyCount": 2,
  "technologies": [
    {
      "name": "WordPress",
      "category": "CMS",
      "evidence": ["HTML contains wp-content"]
    },
    {
      "name": "Nginx",
      "category": "Web server",
      "evidence": ["server: nginx"]
    }
  ],
  "checkedAt": "2026-07-10T12:00:00.000Z"
}
```

The values above illustrate the output schema. Live detections depend on the site's current public response.

### Run by API

Set `APIFY_TOKEN` in your environment and never commit it.

#### cURL

```bash
curl -X POST \
  "https://api.apify.com/v2/acts/rtworule~bulk-website-tech-detector/run-sync-get-dataset-items?token=$APIFY_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"urls":["https://wordpress.org"],"includeEvidence":true}'
```

#### JavaScript

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

const client = new ApifyClient({ token: process.env.APIFY_TOKEN });
const run = await client.actor('rtworule/bulk-website-tech-detector').call({
  urls: ['https://wordpress.org'],
  includeEvidence: true,
});
const { items } = await client.dataset(run.defaultDatasetId).listItems();
console.log(items);
```

#### Python

```python
import os
from apify_client import ApifyClient

client = ApifyClient(os.environ["APIFY_TOKEN"])
run = client.actor("rtworule/bulk-website-tech-detector").call(run_input={
    "urls": ["https://wordpress.org"],
    "includeEvidence": True,
})
items = client.dataset(run["defaultDatasetId"]).list_items().items
print(items)
```

### Pricing

This Actor uses pay per event. A `website-analyzed` event costs **$0.001 per stored result**: 100 websites cost $0.10 and 1,000 cost $1.00 in event charges. Apify applies a **$0.01 minimum run charge**. The Actor respects the run's maximum total charge.

### Integrations and automation

- enrich CRM records through Make, Zapier, n8n, or the Apify API
- schedule repeat scans to flag technology changes
- export CSV/XLSX to Sheets or join JSON results to a domain list
- send high-value detections, such as a target CMS, to a sales webhook
- feed categorized technologies into BI, lead-scoring, or migration workflows

### FAQ and troubleshooting

**Is this a complete view of a site's private stack?** No. Detection is best-effort and uses public headers and HTML signals. Hidden, server-side, obfuscated, or exclusively client-rendered tools may not be visible.

**Why was a technology missed?** The site may hide its signature, load it after JavaScript executes, or use a product for which the Actor has no current signature.

**Can a detection be a false positive?** Heuristic detection can produce false positives. Enable evidence and validate critical decisions against the live site.

**Why was a URL rejected?** URLs with credentials and local, private, reserved, or metadata-service destinations are blocked. Every redirect target is validated too.

**How do I improve throughput?** Increase concurrency for unrelated hosts. Lower it when repeatedly checking one host, and increase the timeout only for known slow sites.

### Responsible use, limitations, and support

The Actor reads public pages only, follows a bounded number of redirects, and downloads at most 2 MB of HTML per page. It does not log in or bypass access controls. Users are responsible for lawful access, honoring applicable terms, and their downstream use of results.

If you find an inaccurate detection, open an issue from the Actor page with the run ID, URL, expected technology, and visible evidence. Do not share secrets or non-public URLs.

### More tools from this developer

- [Bulk URL Status Checker & Redirect Audit](https://apify.com/rtworule/bulk-url-health-auditor)
- [AI Search Readiness / GEO & AEO Auditor](https://apify.com/rtworule/ai-search-readiness-auditor)
- [RSS, Atom & JSON Feed Normalizer](https://apify.com/rtworule/public-feed-normalizer)
- [Greenhouse, Lever & Ashby Jobs Normalizer](https://apify.com/rtworule/public-ats-job-feed-normalizer)

# Actor input Schema

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

Public HTTP or HTTPS pages. Private network destinations are rejected.

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

Number of public pages to inspect at the same time.

## `timeoutSeconds` (type: `integer`):

Maximum seconds to wait for each page response.

## `maxRedirects` (type: `integer`):

Maximum public redirects to follow for each URL.

## `includeEvidence` (type: `boolean`):

Include short source snippets that support each detected technology.

## Actor input object example

```json
{
  "urls": [
    "https://apify.com",
    "https://wordpress.org"
  ],
  "concurrency": 10,
  "timeoutSeconds": 20,
  "maxRedirects": 5,
  "includeEvidence": 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 = {};

// Run the Actor and wait for it to finish
const run = await client.actor("rtworule/bulk-website-tech-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 = {}

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

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

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

```

## CLI example

```bash
echo '{}' |
apify call rtworule/bulk-website-tech-detector --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "command": "npx",
            "args": [
                "mcp-remote",
                "https://mcp.apify.com/?tools=rtworule/bulk-website-tech-detector",
                "--header",
                "Authorization: Bearer <YOUR_API_TOKEN>"
            ]
        }
    }
}

```

## OpenAPI specification

```json
{
    "openapi": "3.0.1",
    "info": {
        "title": "Fast Evidence-Backed Website Tech Stack Detector",
        "description": "Detect 72 common CMS, ecommerce, framework, analytics, marketing, payment, hosting, server, security, and CDN signals from public sites with evidence.",
        "version": "0.1",
        "x-build-id": "gGfoa7aIBaU8ZnrGY"
    },
    "servers": [
        {
            "url": "https://api.apify.com/v2"
        }
    ],
    "paths": {
        "/acts/rtworule~bulk-website-tech-detector/run-sync-get-dataset-items": {
            "post": {
                "operationId": "run-sync-get-dataset-items-rtworule-bulk-website-tech-detector",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        },
        "/acts/rtworule~bulk-website-tech-detector/runs": {
            "post": {
                "operationId": "runs-sync-rtworule-bulk-website-tech-detector",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor and returns information about the initiated run in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK",
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/schemas/runsResponseSchema"
                                }
                            }
                        }
                    }
                }
            }
        },
        "/acts/rtworule~bulk-website-tech-detector/run-sync": {
            "post": {
                "operationId": "run-sync-rtworule-bulk-website-tech-detector",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        }
    },
    "components": {
        "schemas": {
            "inputSchema": {
                "type": "object",
                "required": [
                    "urls"
                ],
                "properties": {
                    "urls": {
                        "title": "Website URLs",
                        "type": "array",
                        "description": "Public HTTP or HTTPS pages. Private network destinations are rejected.",
                        "default": [
                            "https://apify.com",
                            "https://wordpress.org"
                        ],
                        "items": {
                            "type": "string"
                        }
                    },
                    "concurrency": {
                        "title": "Concurrency",
                        "minimum": 1,
                        "maximum": 50,
                        "type": "integer",
                        "description": "Number of public pages to inspect at the same time.",
                        "default": 10
                    },
                    "timeoutSeconds": {
                        "title": "Request timeout",
                        "minimum": 1,
                        "maximum": 60,
                        "type": "integer",
                        "description": "Maximum seconds to wait for each page response.",
                        "default": 20
                    },
                    "maxRedirects": {
                        "title": "Maximum redirects",
                        "minimum": 0,
                        "maximum": 10,
                        "type": "integer",
                        "description": "Maximum public redirects to follow for each URL.",
                        "default": 5
                    },
                    "includeEvidence": {
                        "title": "Include detection evidence",
                        "type": "boolean",
                        "description": "Include short source snippets that support each detected technology.",
                        "default": true
                    }
                }
            },
            "runsResponseSchema": {
                "type": "object",
                "properties": {
                    "data": {
                        "type": "object",
                        "properties": {
                            "id": {
                                "type": "string"
                            },
                            "actId": {
                                "type": "string"
                            },
                            "userId": {
                                "type": "string"
                            },
                            "startedAt": {
                                "type": "string",
                                "format": "date-time",
                                "example": "2025-01-08T00:00:00.000Z"
                            },
                            "finishedAt": {
                                "type": "string",
                                "format": "date-time",
                                "example": "2025-01-08T00:00:00.000Z"
                            },
                            "status": {
                                "type": "string",
                                "example": "READY"
                            },
                            "meta": {
                                "type": "object",
                                "properties": {
                                    "origin": {
                                        "type": "string",
                                        "example": "API"
                                    },
                                    "userAgent": {
                                        "type": "string"
                                    }
                                }
                            },
                            "stats": {
                                "type": "object",
                                "properties": {
                                    "inputBodyLen": {
                                        "type": "integer",
                                        "example": 2000
                                    },
                                    "rebootCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "restartCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "resurrectCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "computeUnits": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            },
                            "options": {
                                "type": "object",
                                "properties": {
                                    "build": {
                                        "type": "string",
                                        "example": "latest"
                                    },
                                    "timeoutSecs": {
                                        "type": "integer",
                                        "example": 300
                                    },
                                    "memoryMbytes": {
                                        "type": "integer",
                                        "example": 1024
                                    },
                                    "diskMbytes": {
                                        "type": "integer",
                                        "example": 2048
                                    }
                                }
                            },
                            "buildId": {
                                "type": "string"
                            },
                            "defaultKeyValueStoreId": {
                                "type": "string"
                            },
                            "defaultDatasetId": {
                                "type": "string"
                            },
                            "defaultRequestQueueId": {
                                "type": "string"
                            },
                            "buildNumber": {
                                "type": "string",
                                "example": "1.0.0"
                            },
                            "containerUrl": {
                                "type": "string"
                            },
                            "usage": {
                                "type": "object",
                                "properties": {
                                    "ACTOR_COMPUTE_UNITS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_WRITES": {
                                        "type": "integer",
                                        "example": 1
                                    },
                                    "KEY_VALUE_STORE_LISTS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_INTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_EXTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_SERPS": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            },
                            "usageTotalUsd": {
                                "type": "number",
                                "example": 0.00005
                            },
                            "usageUsd": {
                                "type": "object",
                                "properties": {
                                    "ACTOR_COMPUTE_UNITS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_WRITES": {
                                        "type": "number",
                                        "example": 0.00005
                                    },
                                    "KEY_VALUE_STORE_LISTS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_INTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_EXTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_SERPS": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}
```