What is Alertsite by Smartbear?
Direct Answer: Alertsite by Smartbear is an HTTP monitoring probe operated by Smartbear that monitors websites for availability and performance anomalies.
Alertsite by Smartbear is an HTTP monitoring probe that monitors its customers' websites for availability and performance anomalies. It sends HTTP requests to check website availability and performance. The bot is operated by Smartbear.
User-Agent Identification
The following user-agent strings identify Alertsite by Smartbear in your live traffic data:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.0.3705; .NET CLR 1.1.4322; AlertSite)
robots.txt Rules for Alertsite by Smartbear
Respects robots.txt: No
This bot does not commit to following robots.txt
Alertsite by Smartbear does not officially follow robots.txt directives. The only reliable way to control access is through server-side blocking (IP filtering, user-agent rules in your web server config) combined with log monitoring to verify effectiveness.
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Crawl Behavior
Frequency:Continuous
Request Pattern:Sends HTTP Requests To Monitor Website Availability And Performance
Crawl Activity Index
Relative crawl activity for Alertsite by Smartbear over the past 28 days. Higher values indicate increased crawling intensity compared to the period baseline.
View recent activity data (last 7 days)
| Date | Activity Index |
|---|---|
| Mar 26, 2026 | 88.0 |
| Mar 27, 2026 | 82.7 |
| Mar 28, 2026 | 83.1 |
| Mar 29, 2026 | 81.8 |
| Mar 30, 2026 | 87.3 |
| Mar 31, 2026 | 90.2 |
| Apr 1, 2026 | 88.9 |
Source: Cloudflare Radar
Why track Alertsite by Smartbear traffic?
Distinguish monitoring traffic from real crawler activity. Alertsite by Smartbear checks your site availability at regular intervals. Without proper identification, these requests can inflate your bot traffic metrics and distort crawl analysis.
Validate monitoring coverage. Track which pages Alertsite by Smartbear checks and how frequently, so your monitoring setup matches your infrastructure requirements.
Log Verification
To verify Alertsite by Smartbear traffic in your live traffic data:
- Search access logs for the user-agent strings listed above
- Check if the IP addresses match documented ranges (if provided by Smartbear)
- Verify the crawl pattern matches documented behavior
- Use reverse DNS lookup for additional verification if available
Note: Observed behavior in production environments may differ from official documentation. Live traffic monitoring provides the only reliable verification of actual bot behavior.
Undocumented Information
The following information is not officially documented for Alertsite by Smartbear:
- crawl frequency details
- IP verification method
- JavaScript rendering details
Official Documentation
View Official Alertsite by Smartbear Documentation →
Information sourced from official documentation. Content generated with AI assistance.