Install xdebug
sudo apt-get install php5-xdebug
Then update config
Add following line in /etc/php5/fpm/conf.d/20-xdebug.ini
xdebug.profiler_enable = 1
xdebug.profiler_output_dir = /tmp
After that please restart php5-fpm
sudo service php5-fpm restart
Load page you want to optimize
It will take time (If its taking too much time then need to optimize 😛 )
Install webgrind
Simply decompress the package into a folder in your server and load its path it in the browser. It is written in php5 and it does not have dependencies to configure.
wget https://webgrind.googlecode.com/files/webgrind-release-1.0.zip && unzip webgrind-release-1.0.zip
Open webgrind in your browser and observing the result
You can get more details from github
18.53937973.898451