What is HTTrack 3.0?

HTTrack 3.0 is a scraper. Agent Analytics can track when it visits your website.

Category

Scraper
Extracts large amounts of web data, often without explicit website permission

Expected Behavior

HTTrack 3.0 behaves however its operator configured it, and scrapers as a category are the least polite bots on the web. Expect anything from slow careful extraction to rapid page hammering, robots.txt ignored, and user agent strings that change when blocked. Watch its volume and speed rather than trusting its label.

Overview

Expected To Follow Robots.txt Yes
Insights Last Updated July 6, 2026

Robots.txt Blocked Percentage

1%
1% of top websites are blocking HTTrack 3.0
Learn How →

Country of Origin

China
HTTrack 3.0 normally visits From China

Robots.txt Blocking Trend

As of July 6, 2026, 1% of top websites block HTTrack 3.0 in their robots.txt files.

Overall Scraper Traffic

As of July 6, 2026, 0.5% of all web traffic came from scrapers.

Track Scrapers Visiting Your Website
Use Agent Analytics to get realtime visibility into visits from every crawler, scraper, and AI agent.

This data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the world's top 1000 websites and their robots.txt files.

HTTrack 3.0's User Agent

User Agent Mozilla/4.5 (compatible; HTTrack 3.0x; Windows 98)

Access other known user agents and IP addresses using the Enterprise API.

How To Block HTTrack 3.0

Add this rule to your robots.txt file to block HTTrack 3.0 from accessing your entire website. You can customize which pages are blocked by swapping out / for a different path.

User-agent: HTTrack 3.0 # https://knownagents.com/agents/httrack-3-0
Disallow: /
Block Every Scraper
⚠️ Manually adding individual robots.txt rules is not scalable. Instead, use Automatic Robots.txt.

Frequently Asked Questions

Should I Block HTTrack 3.0?

Often yes. HTTrack 3.0 extracts content at scale, and scrapers in this category commonly republish or resell what they take. There is rarely an upside for the website being scraped, and copies of your content elsewhere can compete with your own pages in search. For comparison, 1% of the top websites we track already have robots.txt rules for HTTrack 3.0.

Does HTTrack 3.0 Respect Robots.txt?

Yes. HTTrack 3.0 is expected to honor robots.txt rules, so a disallow rule is the right first move. Automatic Robots.txt adds and maintains that rule for you, and Agent Analytics confirms HTTrack 3.0 actually honors it.

Does HTTrack 3.0 Access Private Content?

Assume HTTrack 3.0 will try. Scrapers routinely ignore robots.txt, and some go after paywalled or gated content when it has value. Real authentication stops most of them. Politeness conventions stop almost none of them.

Why Is HTTrack 3.0 Visiting My Website?

Your site has data HTTrack 3.0's operator wants, like prices, listings, contact details, or articles. Scrapers target sites deliberately, so repeated visits mean your content specifically is the goal.

How Can I Tell if HTTrack 3.0 Is Visiting My Website?

Agent Analytics tracks HTTrack 3.0 visits in real time alongside every other known AI agent, crawler, and scraper. You can also check your server logs for requests whose user agent string contains "HTTrack 3.0". Look for fast sequential requests across many pages. Keep in mind that HTTrack 3.0 doesn't publish a verification method, so any client can claim its user agent string and a log match is a hint rather than proof.

References