1. General Functionality
Improving and Measuring

2. Log Files Two Types Usage Error
Fastest if run on different disk than your Web site files.

3. Log Files Hundreds of facts and figures can be derived:
Where are people coming from
Where are they leaving to?
What errors are they getting
How many hits
How many using certain ISPs?

4. NCSA
NCSA Format is the most common format.

5. Improving Performance
Turn off reverse DNS lookups
Reverse DNS maps IP numbers to machine names. This can be useful for security and knowing the REMOTE_HOST.
There are other methods.

6. Log Analysis Tools Wusage http://www.boutell.com/wusage/
Wwwstat (free)
WebTrends (399-$15,000)
The Webalizer (free. modifiable)

7. Improving Performance
Similar info is given in a different presentation (Apache2.ppt)

8. Improving Performance
Use the most recent version of server.
10 x faster now than at beginning.
ServerType Standalone

9. Improved features Better code
Preforking servers – having processes just waiting for your requests
Threads – independent streams of execution within a process
KeepAlives KeepAlive On KeepAliveTimeout 15

10. Server-efficient Web Authoring
Keep path names short
Explicitly link to /index.htm files or end directory names with /
Partition content to different servers: Images, Downloads, etc.