Apache version 2. This doesn't work either. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Explaining the semiconductor shortage, and how it might end. Does ES6 make JavaScript frameworks obsolete? Featured on Meta. Now live: A fully responsive profile. Related 4. Hot Network Questions. The NCSA Separate log format, sometimes called three-log format, refers to a log format in which the information gathered is separated into three separate files or logs , rather than a single file.
The three logs are often referred to as: Common log or access log Referral log Agent log The three-log format contains the basic information in the NCSA Common log format in one file, and referral and user agent information in subsequent files.
However, no cookie information is recorded in this log format. Common or access log The first of the three logs is Common log, sometimes referred to as the access log, which is identical in format and syntax to the NCSA Common log format. Referral log The referral log is the second of the three logs.
The referral log contains a corresponding entry for each entry in the common log. The date and time of an entry logged in the referral log corresponds to the resource access entry in the common log. As a result, the date and time of corresponding records from each of these logs will be the same. The syntax of the date stamp is identical to the date stamp in the common log.
Agent log The Agent log is the third of the three logs making up the three-log format. The date and time of an entry logged in the agent log corresponds to the resource access entry in the common log.
Because information logged in the agent log supplements information logged in the common log, the date and time of corresponding records from each of these logs will be the same. The syntax of the date stamp is identical to the date stamp in the Common log. It is not required, but most HTTP clients do identify themselves by name. The Web server writes this name in the agent log.
W3C Extended Log Format. Each line may contain either a directive or an entry. Entries consist of a sequence of fields relating to a single HTTP transaction. Fields are separated by white space. If a field is unused in a particular entry dash "-" marks the omitted field.
Directives record information about the logging process itself. Lines beginning with the character contain directives. Software: string Identifies the software which generated the log. Data recorded in this field should be ignored by analysis tools. This is important to keep in mind especially when creating filters.
See the online help in the filters window for more information. Certain report elements give you a choice of a Time Taken measure.
This measure is only relevant when analyzing data in the IIS format. Directives, which appear at the beginning of the log, define the information and format contained in the entries.
This javascript sends the tracking data back to some analytics tool. Your website is hosted on a webserver that creates log files, these accurately store any kind of visitor movement on your site. Logaholic can be setup using log files as main data source to report valuable visitor behavior in a understandable format.
Most other analytics programs like Google analytics use a different source data collection method: Javascript based tracking also Page Tagging. Which method is best for you is hard to determine without knowing your situation.
Both methods have their merrits, despite the fact both methods will show significant different traffic numbers there is not a good or bad method, actually they compliment each other.
You might already know that a large part of your website traffic comes from non-human visitors bots. This could be search engines crawling your site, bots with darker intentions or maybe a mailfunctioning script in your own site. Javascript based tracking relies on the client when this client does not support java this method fails to report in that case traffic is invisible.
Web Server Log files record human and non-human traffic information. An Important reason for using webserver logs could be site errors. Nothing more frustrating than to discover visitors are lost because of broken links, missing pages or other errors. Although it is possible to track customized pages, Javascript based tracking is not really suited for error reports.
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