# Web Page Crawler

Goes to a specified URL and retrieves the HTML from the page.

<figure><img src="/files/kJMulqiUiUOBgOHmYblo" alt=""><figcaption></figcaption></figure>

**Parameters:**

* **URL:** The URL that you want to get HTML data from
* **CSS Selector:** Provide an HTML Element (<https://developer.mozilla.org/en-US/docs/Web/HTML/Element>) to search the contents for on the specified website. Each result will return the html, text, width, height, top, left, and attributes of the each element that matches the selector.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.trycortex.ai/callable/blocks/tools/web-page-crawler.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.