# Website Health Checker (SEO, Links, Tech) (`m8forever/site-health-checker`) Actor

Polite website audit: tech stack, broken links, redirects, robots/sitemap validation and on-page SEO in one run.

- **URL**: https://apify.com/m8forever/site-health-checker.md
- **Developed by:** [Hanxiao Yang](https://apify.com/m8forever) (community)
- **Categories:** SEO tools, Developer tools, Automation
- **Security:** Limited permissions
- **Stats:** 2 total users, 1 monthly users, 96.3% runs succeeded, 0 bookmarks
- **User rating**: No ratings yet

## Pricing

from $1.00 / 1,000 page health reports

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

## Website Health Checker — Tech Stack, Broken Links, SEO & Robots

**Keywords:** website health check, broken link checker, tech stack detector, on-page SEO audit, robots.txt validator, sitemap checker, website crawler audit.

One polite crawl: **tech stack**, **broken links**, **redirect chains**, **robots.txt / sitemap** checks and **on-page SEO** (title, meta, H1, canonical, alt text, noindex). For marketers, agencies and developers.

### Why this Actor

- 50+ technology signals (CMS, frameworks, CDN, analytics, payments…)
- Internal + external broken links with source pages
- Redirect hops and loop detection
- robots.txt + XML sitemap validation
- Per-page SEO fields; respects robots.txt and Crawl-delay

### Example input

```json
{
  "startUrls": [
    { "url": "https://docs.python.org/3/" }
  ],
  "maxPagesPerSite": 10,
  "checkExternalLinks": true,
  "maxExternalLinks": 30,
  "concurrency": 5
}
```

### Output

One `summary` row per site, then one `page` row per crawled URL.

```json
{
  "type": "summary",
  "startUrl": "https://docs.python.org/3/",
  "pagesCrawled": 8,
  "robotsStatus": 200,
  "brokenLinkCount": 0,
  "techStack": [
    { "name": "Fastly", "category": "CDN" },
    { "name": "Sphinx", "category": "Static site generator" }
  ]
}
```

### Pricing (pay per event)

- **Actor start** — $0.05
- **Page / dataset item** — $0.05 per result row (primary)

Tip: keep `maxPagesPerSite` small (5–10) for cheap first runs. A healthy site often returns `brokenLinkCount: 0` — that is expected, not a no-op.

### Limitations

No JavaScript rendering — client-only content/tech may be missed. Technology detection is heuristic.

### Use cases & scheduling

- **Broken link checker** — find 4xx/5xx internal and external links with the page they appear on.
- **Weekly website health monitoring** — schedule weekly and compare `brokenLinkCount` / `pagesWithSeoIssues` over time.
- **robots.txt & sitemap validation** — status, crawl-delay and XML sitemap checks in one run.
- **Tech stack lookup** — detect CMS, frameworks, CDN and analytics on prospects' sites (agencies, sales research).
- **On-page SEO audit** — missing titles/meta descriptions/H1, canonical, image alt text, noindex.

Tip: create an [Apify Schedule](https://docs.apify.com/platform/schedules) for the Actor or one of the tasks below to turn it into a recurring monitor, and add a webhook/integration to get results in Slack, email or Google Sheets.

### Ready-made example tasks

One-click, pre-filled inputs you can run or copy:

- [single-url-seo-health-check](https://apify.com/m8forever/site-health-checker/tasks/single-url-seo-health-check)
- [broken-link-checker-small-site](https://apify.com/m8forever/site-health-checker/tasks/broken-link-checker-small-site)
- [robots-txt-sitemap-validator](https://apify.com/m8forever/site-health-checker/tasks/robots-txt-sitemap-validator)

### FAQ

**Does it render JavaScript?**\
No. It parses server HTML, so client-only content or tech can be missed.

**Is the crawl polite?**\
Yes — it respects robots.txt and Crawl-delay and uses low concurrency by default.

**How do I keep a run cheap?**\
Use `maxPagesPerSite` 1–10 and limit `maxExternalLinks`.

**Why brokenLinkCount 0?**\
A healthy site often has no broken links — that is a valid result.

# Actor input Schema

## `startUrls` (type: `array`):

One URL per site to audit.

## `maxPagesPerSite` (type: `integer`):

Max pages per site

## `checkExternalLinks` (type: `boolean`):

Check external links

## `maxExternalLinks` (type: `integer`):

Max external links to check per site

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

Concurrency

## Actor input object example

```json
{
  "startUrls": [
    {
      "url": "https://example.com/"
    }
  ],
  "maxPagesPerSite": 20,
  "checkExternalLinks": true,
  "maxExternalLinks": 50,
  "concurrency": 5
}
```

# 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 = {
    "startUrls": [
        {
            "url": "https://example.com/"
        }
    ]
};

// Run the Actor and wait for it to finish
const run = await client.actor("m8forever/site-health-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 = { "startUrls": [{ "url": "https://example.com/" }] }

# Run the Actor and wait for it to finish
run = client.actor("m8forever/site-health-checker").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 '{
  "startUrls": [
    {
      "url": "https://example.com/"
    }
  ]
}' |
apify call m8forever/site-health-checker --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "type": "http",
            "url": "https://mcp.apify.com/?tools=fetch-actor-details,m8forever/site-health-checker"
        }
    }
}
```

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/MIPohdRYrZw0gfGNV/builds/F5l3zvcPLbMXlsy3o/openapi.json