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September 15, 2004
JavaScript Web Analytics v. LogFile Analyzers
Moore's been doing some digging on the differences between log file analyzers like WebTrends and JavaScript based tracking tools like Opentracker (the one I use for this site) & Hitbox. Here's what he's found, and a link to the source of the infomation:
| Issue | Log Analyzer | JavaScript Analytics |
| Counting Method | Counts Hits from the Web Server Log unique by IP address only | Counts Visitor (Unique by Cookie and IP address) and page views |
| Reporting Method | Periodic processing and extraction from log file | Available Real-Time from any browser |
| Crawlers/Spiders Proxy | Tracked via hits | May not be counted if HTML is not viewed |
| Server Page Caching | Cached pages not counted | All Pages counted |
| Non HTML files | Non HTML files such as Graphics and downloads may be counted as page views. | Unless specifically tracked will not be double counted |
| Error Pages File | Tracked in separate tables of Log | Only counted if JavaScript is able to execute |
| Redirects | Requires special configuration to track | Automatically tracks the first page viewed |
[via Moore's Weblog]
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