Site Performance Optimization

After attending the Velocity Conference a couple months back, we have been focusing a lot of attention of optimizing our page rendering and load times.

Some tools we've started leveraging are:

• WebPageTest


• Show Slow


• HTTP Watch


• GTMetrix

mysqldumpslow

Just another post for me to be able to track down a command that comes in handy a lot.

mysqldumpslow -t 10 –s t /path/to/slow/log

Parse apache log for page requests that trigger 500 error

Posting this so I don't need to remember how to get this info.

To parse an apache log for the requests that are status code 500 (internal server error):

'cat /path/to/access/log/file' | awk '{print $7, $9}' | grep ' 500'

Provides output like:

/blah/xyz.php 500
/bleh/abc.php 500
/xxx/yyy.php 500

Capture Time to First Byte using curl

Posting this so I don't have to remember where to search for it.

http://www.pinoytux.com/linux/capture-time-to-first-byte-using-curl