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Webalizer Explained |
Web
Statitics Report Explanation
-
The Webalizer produces several reports (html) and
graphics for each month processed. In addition, a
summary page is generated for the current and previous
months (up to 12)
- The
yearly (index) report shows statistics for a 12 month
period, and links to each month. The monthly report
has detailed statistics for that month with additional
links to any URL's and referrers found. The various
totals shown are explained below.
Hits
- Any
request made to the server which is logged, is considered
a 'hit'. The requests can be for anything... html
pages, graphic images, audio files, cgi scripts, etc...
Each valid line in the server log is counted as a
hit. This number represents the total number of requests
that were made to the server during the specified
report period.
Files
- Some
requests made to the server, require that the server
then send something back to the requesting client,
such as a html page or graphic image. When this happens,
it is considered a 'file' and the files total is incremented.
The relationship between 'hits' and 'files' can be
thought of as 'incoming requests' and 'outgoing responses'.
Pages
- Pages
are, well, pages! Generally, any HTML document, or
anything that generates an HTML document, would be
considered a page. This does not include the other
stuff that goes into a document, such as graphic images,
audio clips, etc... This number represents the number
of 'pages' requested only, and does not include the
other 'stuff' that is in the page. What actually constitutes
a 'page' can vary from server to server. The default
action is to treat anything with the extension '.htm',
'.html' or '.cgi' as a page. A lot of sites will probably
define other extensions, such as '.phtml', '.php3'
and '.pl' as pages as well. Some people consider this
number as the number of 'pure' hits... I'm not sure
if I totaly agree with that viewpoint. Some other
programs (and people :) refer to this as 'Pageviews'.
Sites
- Each
request made to the server comes from a unique 'site',
which can be referenced by a name or ultimately, an
IP address. The 'sites' number shows how many unique
IP addresses made requests to the server during the
reporting time period. This DOES NOT mean the number
of unique individual users (real people) that visited,
which is impossible to determine using just logs and
the HTTP protocol (however, this number might be about
as close as you will get).
Visits
- Whenever
a request is made to the server from a given IP address
(site), the amount of time since a previous request
by the address is calculated (if any). If the time
difference is greater than a preconfigured 'visit
timeout' value (or has never made a request before),
it is considered a 'new visit', and this total is
incremented (both for the site, and the IP address).
The default timeout value is 30 minutes (can be changed),
so if a user visits your site at 1:00 in the afternoon,
and then returns at 3:00, two visits would be registered.
Note: in the 'Top Sites' table, the visits total should
be discounted on 'Grouped' records, and thought of
as the "Minimium number of visits" that came from
that grouping instead. Note: Visits only occur on
PageType requests, that is, for any request whose
URL is one of the 'page' types defined with the PageType
option. Due to the limitation of the HTTP protocol,
log rotations and other factors, this number should
not be taken as absolutely accurate, rather, it should
be considered a pretty close "guess".
KBytes
- The
KBytes (kilobytes) value shows the amount of data,
in KB, that was sent out by the server during the
specified reporting period. This value is generated
directly from the log file, so it is up to the webserver
to produce accurate numbers in the logs (some web
servers do stupid things when it comes to reporting
the number of bytes). In general, this should be a
fairly accurate representation of the amount of outgoing
traffic the server had, regardless of the web servers
reporting quirks.
Note: A kilobyte is 1024 bytes, not 1000
Top Entry and Exit Pages
- The
Top Entry and Exit Pages give a rough estimate of
what URL's are used to enter your site, and what the
last pages viewed are. Because of limitations in the
HTTP protocol, log rotations, etc... this number should
be considered a good "rough guess" of the actual numbers,
however will give a good indication of the overall
trend in where users come into, and exit, your site
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