---
title: "DuckDuckBot Simulator & Tester: Crawl Any URL"
url: https://encited.com/free-tools/crawler-simulator/duckduckbot-simulator
description: "Simulate a DuckDuckBot visit to any URL on your website. Crawl the page and inspect the HTML, status code, and headers DuckDuckGo gets. Free."
lang: en
---

All Crawler Simulators (https://encited.com/free-tools/crawler-simulator)

Image: DuckDuckBot (https://encited.com/crawler-logos/duckduckgo.svg)

CRAWLER SIMULATOR

# DuckDuckBot Simulator & Tester

Last updated September 29, 2026

Simulate a DuckDuckBot visit to any URL on your website. Crawl the page and inspect the HTML DuckDuckGo Search and DuckAssist get.

SIMULATE

## Simulate a DuckDuckBot visit

Enter any URL on your website to crawl it as DuckDuckBot and inspect the HTML it gets.

HOW IT WORKS

## How to use the DuckDuckBot simulator

1. Step 1
   ### Enter a URL
   Paste the full URL of any page on your website, such as a product page, a blog post, or the home page.
2. Step 2
   ### Select the DuckDuckBot user agent
   The tester sends the request with the DuckDuckBot user-agent string, so your server answers the way it answers a real DuckDuckBot visit.
3. Step 3
   ### Run the crawl
   The simulator requests the page as DuckDuckBot and follows redirects, the same way the crawler does.
4. Step 4
   ### Inspect the HTML
   Check the status code, redirects, response headers, raw HTML, word count, and Open Graph tags DuckDuckBot gets. If your main content is missing from the HTML, DuckDuckBot cannot read it.

OVERVIEW

## What is DuckDuckBot?

DuckDuckBot is DuckDuckGo's web crawler that indexes content for their privacy-focused search engine. DuckDuckGo also has DuckAssistBot for their AI-powered DuckAssist feature. With growing privacy concerns, DuckDuckGo's user base continues to expand, making optimization worthwhile.

WHY ALLOW IT

## Why allow DuckDuckBot?

Rank in DuckDuckGo search results

Reach privacy-conscious users

Get cited by DuckAssist AI feature

Diversify search traffic sources

Appear in DuckDuckGo's !bang searches

ROBOTS.TXT

## DuckDuckBot robots.txt configuration

Control how DuckDuckBot crawls your website using robots.txt directives. Add these rules to your robots.txt file at the root of your domain, then run the simulator again on the same URL to confirm the change.

### Allow DuckDuckBot

\# Allow DuckDuckGo crawlers
User-agent: DuckDuckBot
Allow: /

User-agent: DuckAssistBot
Allow: /

### Block DuckDuckBot

\# Block DuckDuckGo crawlers
User-agent: DuckDuckBot
Disallow: /

User-agent: DuckAssistBot
Disallow: /

**User-Agent String:** `DuckDuckBot/1.0; (+http://duckduckgo.com/duckduckbot.html)`

## DuckDuckBot simulator FAQ

### How do I simulate a DuckDuckBot visit to my website?

### How does DuckDuckGo's search work?

### What is DuckAssist and how do I appear in it?

### Does DuckDuckBot execute JavaScript?

### How do I submit my site to DuckDuckGo?

### Is DuckDuckGo traffic valuable?

## Related Crawler Simulators

Googlebot

Simulator
https://encited.com/free-tools/crawler-simulator/googlebot-simulator

Bingbot

Simulator
https://encited.com/free-tools/crawler-simulator/bingbot-simulator

Bravebot

Simulator
https://encited.com/free-tools/crawler-simulator/bravebot-simulator

YouBot

Simulator
https://encited.com/free-tools/crawler-simulator/youbot-simulator

## More Free SEO Tools

Continue auditing your site with these companion tools.

SEO Audit

30 checks for crawlability, SEO, and AI readiness
https://encited.com/free-tools/seo-audit

Crawler Simulator

See what 100+ search and AI bots get from your page
https://encited.com/free-tools/crawler-simulator

Googlebot Simulator

Fetch your page as Googlebot Smartphone or Desktop
https://encited.com/free-tools/crawler-simulator/googlebot-simulator

Robots.txt Analyzer

Check which crawlers are allowed or blocked
https://encited.com/free-tools/robots-txt-analyzer

OG Image Previewer

Preview social media link cards
https://encited.com/free-tools/og-image-previewer

Meta Tag Audit

Audit meta tags and generate a fix prompt
https://encited.com/free-tools/meta-tag-audit

AI Crawler Checker

Check if ChatGPT, Claude, and Perplexity can read your site
https://encited.com/free-tools/ai-crawl-checker

## Related Guides

Dive deeper with these step-by-step guides and tutorials.

Get Indexed by ChatGPT, Perplexity & AI Search: https://encited.com/blog/how-to-get-pages-indexed-by-openai-chatgpt
Is Lovable SEO Friendly? A Practical Guide: https://encited.com/blog/is-lovable-seo-friendly
What Is Pre-rendering for SPAs?: https://encited.com/docs/pre-rendering/what-pre-rendering-gets-you
Fix Lovable SEO: The Complete 2026 Guide: https://encited.com/blog/fix-lovable-seo

GET STARTED

## Make your site crawlable

JavaScript sites often have indexing issues. Encited pre-renders your SPA into crawler-friendly HTML so DuckDuckBot and other bots can read your content.

All crawlers: https://encited.com/free-tools/crawler-simulator

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## Structured data

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          "text": "Enter any URL from your website in the tester above and run the crawl. The simulator requests the page with the DuckDuckBot user-agent string and shows the status code, response headers, and raw HTML it gets. Inspect the HTML to confirm your main content, title, and meta tags are there before any JavaScript runs."
        }
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        "name": "How does DuckDuckGo's search work?",
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          "@type": "Answer",
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