Some user found Nihuo Web Log Analyzer caused huge traffic on their web site. The reason is they selected Enable page title retrieval function in profile properties dialog. Enabling this function will cause web log analyzer visit website to crawl page title information.

If you want exclude the traffic from report, you just need add a client host hit filter. The tutorial is available in http://www.loganalyzer.net/log-analysis-tutorial/exclude-activities-by-ip.html.