> ## Documentation Index
> Fetch the complete documentation index at: https://searchconsolemcp.saurabh.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Site Health Check & Engine Comparison

> Automated health diagnostics and cross-platform comparisons.

The `site_health_check` and `compare_engines` tools provide one-shot cross-platform health checks, technical crawl diagnostics, and side-by-side Google vs Bing performance comparisons.

## Fluent Domain Tools (v2.0)

### `site_health_check`

One-shot health check across Google, Bing, and GA4.

* **Levels (`level`):**
  * `"summary"`: Overall health score, WoW click/impression changes, and issues.
  * `"full"` (default): Full performance deltas, sitemap audit, and anomaly detection.
  * `"crawl_issues"`: Bing crawl issue diagnostics and HTTP error breakdowns.
* **Parameters:** `siteUrl`, `level`.
* **Best for:** *"Run a full site health check on [https://example.com/](https://example.com/)."*

### `compare_engines`

Compares search performance metrics between Google Search Console and Bing Webmaster Tools side by side.

* **Parameters:** `siteUrl`, `startDate`, `endDate`.
* **Best for:** *"Compare Google vs Bing performance for the last 30 days."*

***

## 🔄 Backward Compatibility Note

All legacy health tools (`sites_health_check`, `bing_sites_health`, `traffic_health_check`, `compare_engines`) are **100% backward compatible** via our fallback router.

[Read complete Backward Compatibility Guide →](/concepts/backward-compatibility)