# 🔍 Keyword Density Checker (`easyapi/keyword-density-checker`) Actor

🔍 A powerful SEO tool that analyzes webpage content to calculate keyword density and frequency. Perfect for content optimization, SEO analysis, and detecting keyword stuffing. Supports multiple URLs and provides detailed keyword statistics with precise density calculations.

- **URL**: https://apify.com/easyapi/keyword-density-checker.md
- **Developed by:** [EasyApi](https://apify.com/easyapi) (community)
- **Categories:** SEO tools, Developer tools, Other
- **Stats:** 21 total users, 0 monthly users, 100.0% runs succeeded, 1 bookmarks
- **User rating**: No ratings yet

## Pricing

from $2.99 / 1,000 results

This Actor is paid per event and usage. You are charged both the fixed price for specific events and for Apify platform usage.

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

## 🔍 Keyword Density Checker

### 📊 What does this Actor do?

This powerful SEO tool analyzes web pages to calculate keyword density - a crucial metric for search engine optimization. It helps you understand how frequently specific keywords appear on your webpage relative to the total word count.

#### 🌟 Key Features

- 🚀 Fast and efficient analysis of any webpage
- 📝 Detailed keyword frequency statistics
- 📊 Precise density percentage calculations
- 🎯 Support for multiple URLs in one run
- 💪 Built-in proxy support for reliable access
- 🔄 Automatic retries and error handling

### 🎯 Use Cases

- 📈 SEO optimization and content analysis
- 🔍 Competitor keyword research
- ✍️ Content writing optimization
- 🎯 Keyword stuffing detection
- 📱 Website content auditing

### 💡 Tips for optimal results

1. 🎯 For best results, analyze one page at a time
2. ⚡ Use proxy configuration to avoid rate limiting
3. 📊 Set appropriate maxItems value based on your needs
4. 🕒 Allow sufficient run time for larger websites


### 💪 Support

If you find any issues or have feature requests, please contact us on issues.


#### Input Example
  
A full explanation of an input example in JSON.  
```json
{
    "websiteUrls": [
        "https://apify.com"
    ]
}
````

#### Output sample

The results will be wrapped into a dataset which you can always find in the **Storage** tab. Here's an excerpt from the data you'd get if you apply the input parameters above:

And here is the same data but in JSON. You can choose in which format to download your data: JSON, JSONL, Excel spreadsheet, HTML table, CSV, or XML.

```json
[
    {
        "websiteUrl": "https://apify.com",
        "keyword": "apify",
        "count": 24,
        "density": "2.84%"
    },
    ...
]
```

### Related Actors

- 🔍 [Keyword Discovery Tool](https://apify.com/easyapi/keyword-discovery-tool) - Discover new keyword ideas and uncover valuable search insights for SEO optimization
- 🔍 [Keyword Suggestions Scraper](https://apify.com/easyapi/keyword-suggestions-scraper) - Extract keyword suggestions from multiple search engines and e-commerce platforms
- 📄 [Article Content Extractor](https://apify.com/easyapi/article-content-extractor) - Extract clean article content and metadata from any web page
- 🎯 [YouTube Tags Extractor](https://apify.com/easyapi/youtube-tags-extractor) - Extract and analyze tags from YouTube videos for SEO optimization
- 🎯 [YouTube Hashtag Generator](https://apify.com/easyapi/youtube-hashtag-generator) - Generate relevant, trending hashtags for YouTube content in 65+ languages
- 🔍 [AI-powered Search](https://apify.com/easyapi/ai-powered-search) - Transform search queries into structured, AI-powered summaries with references
- 🎯 [Social Media Hashtag Generator](https://apify.com/easyapi/social-media-hashtag-generator) - Generate optimized hashtags for multiple social media platforms
- 📊 [Meta Tags Check API](https://apify.com/easyapi/meta-tags-check-api) - Check and optimize website meta tags for better SEO performance
- 🌐 [URL Metadata Crawler](https://apify.com/easyapi/url-metadata-crawler) - Extract comprehensive metadata from web pages for SEO analysis
- 📝 [Text Summarization](https://apify.com/easyapi/text-summarization) - Generate concise summaries of documents while preserving key information
- 📝 [YouTube Description Extractor](https://apify.com/easyapi/youtube-description-extractor) - Extract complete descriptions from YouTube videos for content analysis
- 🎯 [Ranked Keywords Scraper](https://apify.com/easyapi/ranked-keywords-scraper) - Discover keyword ideas and search insights for content optimization
- 🔍 [Google News Scraper](https://apify.com/easyapi/google-news-scraper) - Collect up to 5000 news articles with flexible search options
- 🔍 [Google Images Scraper](https://apify.com/easyapi/google-images-scraper) - Extract image search results with comprehensive metadata
- 🔍 [Google Videos Scraper](https://apify.com/easyapi/google-videos-scraper) - Collect video search results with detailed information

# Actor input Schema

## `websiteUrls` (type: `array`):

List of website URLs to analyze

## `proxyConfiguration` (type: `object`):

Proxy settings for the crawler

## Actor input object example

```json
{
  "websiteUrls": [
    "https://apify.com"
  ],
  "proxyConfiguration": {
    "useApifyProxy": false
  }
}
```

# 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("easyapi/keyword-density-checker").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("easyapi/keyword-density-checker").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 easyapi/keyword-density-checker --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "command": "npx",
            "args": [
                "mcp-remote",
                "https://mcp.apify.com/?tools=easyapi/keyword-density-checker",
                "--header",
                "Authorization: Bearer <YOUR_API_TOKEN>"
            ]
        }
    }
}

```

## OpenAPI specification

```json
{
    "openapi": "3.0.1",
    "info": {
        "title": "🔍 Keyword Density Checker",
        "description": "🔍 A powerful SEO tool that analyzes webpage content to calculate keyword density and frequency. Perfect for content optimization, SEO analysis, and detecting keyword stuffing. Supports multiple URLs and provides detailed keyword statistics with precise density calculations.",
        "version": "0.0",
        "x-build-id": "H5cpQoa2pSklisoKS"
    },
    "servers": [
        {
            "url": "https://api.apify.com/v2"
        }
    ],
    "paths": {
        "/acts/easyapi~keyword-density-checker/run-sync-get-dataset-items": {
            "post": {
                "operationId": "run-sync-get-dataset-items-easyapi-keyword-density-checker",
                "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": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        },
        "/acts/easyapi~keyword-density-checker/runs": {
            "post": {
                "operationId": "runs-sync-easyapi-keyword-density-checker",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor and returns information about the initiated run in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$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": {
                                    "$ref": "#/components/schemas/runsResponseSchema"
                                }
                            }
                        }
                    }
                }
            }
        },
        "/acts/easyapi~keyword-density-checker/run-sync": {
            "post": {
                "operationId": "run-sync-easyapi-keyword-density-checker",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$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": [
                    "websiteUrls"
                ],
                "properties": {
                    "websiteUrls": {
                        "title": "Website URLs",
                        "uniqueItems": true,
                        "type": "array",
                        "description": "List of website URLs to analyze",
                        "default": [
                            "https://apify.com"
                        ],
                        "items": {
                            "type": "string"
                        }
                    },
                    "proxyConfiguration": {
                        "title": "Proxy configuration",
                        "type": "object",
                        "description": "Proxy settings for the crawler",
                        "default": {
                            "useApifyProxy": false
                        }
                    }
                }
            },
            "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
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}
```