# Docs Page Version Comparison

**Use case:** 

Compare production and staging documentation pages to find added and removed text before publishing release notes or help center updates.

## Input

```json
{
  "pairs": [
    {
      "url1": "https://docs.apify.com/platform/actors",
      "url2": "https://docs.apify.com/platform/actors/running"
    }
  ]
}
```

## Output

```json
{
  "url1": {
    "label": "URL 1"
  },
  "url2": {
    "label": "URL 2"
  },
  "isIdentical": {
    "label": "Identical"
  },
  "similarityPercent": {
    "label": "Similarity %"
  },
  "addedLines": {
    "label": "Added"
  },
  "removedLines": {
    "label": "Removed"
  },
  "error": {
    "label": "Error"
  }
}
```

## About this Actor

This example demonstrates how to use [Webpage Diff Checker](https://apify.com/automation-lab/webpage-diff-checker) with a specific input configuration. Visit the [Actor detail page](https://apify.com/automation-lab/webpage-diff-checker) to learn more, explore other use cases, and run it yourself.