What is HaosouSpider?

HaosouSpider is a search engine crawler operated by Qihoo 360. Agent Analytics can track when it visits your website.

Category

Search Engine Crawler
Systematically scans and indexes web pages to include in search results

Expected Behavior

HaosouSpider crawls on a schedule set by algorithms, not a calendar. Expect visit frequency to track your site's popularity, how often your content changes, and your domain authority. It throttles itself to avoid loading your server and honors crawl rules better than almost any other category of bot.

Overview

Operated By Qihoo 360
Expected To Follow Robots.txt Yes
Insights Last Updated July 6, 2026

Robots.txt Blocked Percentage

1%
1% of top websites are blocking HaosouSpider
Learn How →

Country of Origin

China
HaosouSpider normally visits From China

Robots.txt Blocking Trend

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

Overall Search Engine Crawler Traffic

As of July 6, 2026, 7.8% of all web traffic came from search engine crawlers.

Track Search Engine Crawlers 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.

HaosouSpider's User Agent

User Agent Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0); 360Spider(compatible; HaosouSpider; http://www.haosou.com/help/help_3_2.html)

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

How To Block HaosouSpider

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

User-agent: HaosouSpider # https://knownagents.com/agents/haosouspider
Disallow: /
Block Every Search Engine Crawler
⚠️ Manually adding individual robots.txt rules is not scalable. Instead, use Automatic Robots.txt.

Frequently Asked Questions

Should I Block HaosouSpider?

No, unless you want your pages out of search results. HaosouSpider feeds a search engine index, and blocking it erases your visibility and organic traffic from that engine. This is the one category almost every website should allow. For comparison, 1% of the top websites we track already have robots.txt rules for HaosouSpider.

Does HaosouSpider Respect Robots.txt?

Yes. HaosouSpider 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 HaosouSpider actually honors it.

Does HaosouSpider Access Private Content?

No. HaosouSpider indexes public pages only and does not sign in anywhere. Watch for accidentally public content though, because anything reachable without a login can end up in search results.

Why Is HaosouSpider Visiting My Website?

HaosouSpider is keeping its search index current. Links, sitemaps, or direct submission brought it to your site, and it comes back at a rate tuned to how often your content changes and how popular your site is.

How Can I Tell if HaosouSpider Is Visiting My Website?

Agent Analytics tracks HaosouSpider 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 "HaosouSpider". Look for steady recurring visits spread across your site. Keep in mind that HaosouSpider 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