Time to load page

perf.sh

#!/bin/bash

# To decide how many times the test should be run:
# perf <n> <url>
#
# Otherwise simply use
# perf <url>

DEFAULT_RUN=10

if [[ $1 =~ ^-?[0-9]+$ ]]
then
	COUNT=$1
	URL=$2
else
	COUNT=$DEFAULT_RUN
	URL=$1
fi

TOTAL=0

for ((i=1;i<=COUNT;i++))
do
	TIME=`curl -w "%{time_total}\n" -o /dev/null -s "$URL"`
	TOTAL=`echo $TOTAL + $TIME | bc`
	echo $TIME
done

# Int
# AVERAGE=$(echo "$TOTAL / $COUNT" | bc)

# Float
AVERAGE=$(awk "BEGIN {printf \"%.4f\",${TOTAL}/${COUNT}}")

echo -e "\nAverage after $COUNT runs: $AVERAGE"