Speedtest for WordPress

Benchmark with Sqlite3 on PHP-CLI. You only have to unpack it on a VPS or a shared hosting account with SSH access.

Target speed is below 150 msec (faster than my AMD FX-6300)

How to choose VPS provider?

Video on competing with Amazon 4th video

Top 10 European Cloud Service Providers 2016 Price-Performance Report

Cloud Provider Directory by Gartner

List of datacenters

Results

* Stable means deviation is within ± 10%, the main cause is memory bandwidth.

† Shared hosting with SSH access.

†† High-resource hosting with SSH access.

:computer: Dedicated server, not VPS.

:alarm_clock: Hourly or daily billing available.

+ CPU scaling_governor was set to performance.

Quick installation

# On a Debian based system
apt-get install -y wget ca-certificates php5-cli php5-sqlite

# Test sqlite extension
php -m | grep -Eqx "sqlite3|SQLite" || echo "Please enable sqlite extension." 1>&2

# Download and untar in one go
wget -qO- https://github.com/szepeviktor/wordpress-speedtest/releases/download/v0.1.2/wordpress-speedtest.tar.gz|tar xzv

# Start a test
cd wordpress-speedtest/ && time php index.php > /dev/null

Usage

# One time run
time php index.php|grep -q 'Hello world.</a></h2>' || echo "WordPress error." 1>&2

# Ten runs
time for R in {1..10}; do php index.php > /dev/null; done

# Live stability test
while :; do { time php index.php > /dev/null; sleep 0.2; } 2>&1|grep "^real"; done

# Live stability test on one core
while :; do { time taskset 0x00000001 php index.php > /dev/null; sleep 0.2; } 2>&1|grep "^real"; done

# Simple graph * with percentage of change
MSEC_PERC=1 MSEC_DELAY=0 MSEC_DOT=_ MSEC_DIVIDER=2 msec php index.php

# Nice graph of stability
apt-get install -y gnuplot5-nox feedgnuplot
while :; do { time php index.php > /dev/null; sleep 0.2; } 2>&1 \
 | sed -n 's/^real\s\+0m\([0-9.]\+\)s$/\1/p'; done \
 | feedgnuplot --terminal 'dumb 120,40' --stream --points --lines -xlen 30 --set "xtics 10"

# CPU model
dmidecode --type 4
cat /proc/cpuinfo

* Download msec from szepeviktor/debian-server-tools

Install PHP 5.6 on Ubuntu 14.04 Trusty LC_ALL=en_US.UTF-8 add-apt-repository ppa:ondrej/php5-5.6

Install PHP 5.6 on CentOS 7 https://rpms.remirepo.net/wizard/

cPanel server's PHP-CLI binary location /opt/alt/php56/usr/bin/php

Please report your result!

Provider Top List

{
echo "| Description | CPU | PHP | msec | stable |"
wget -qO- https://github.com/szepeviktor/wordpress-speedtest/raw/master/README.md \
    | grep "^|" | sed -e "s|\*\*||g" | grep -v "^| Description |" \
    | sort -t "|" -k 5 -n
} > wordpress-speedtest-sorted-results.md

Then use a Markdown editor like Caret to display it. Also see issue #6.

How to choose VPS provider?

Operation

1. Company transparency, status page
2. Data center location
3. Price
4. Has own AS? Number of peers
5. Response to abuse report, spammer neighbors
   • http://www.projecthoneypot.org/
   • https://www.talosintelligence.com/reputation_center/lookup?search=AS-description
   • https://cleantalk.org/blacklists/AS0000
   • https://cymon.io/IP
6. Stores plain text passwords?
7. Response time of nighttime technical support in case of network or hardware failure
8. Daytime technical and billing support

Infrastructure

1. Redundancy: power, cooling, network, storage, hypervisor
2. Network: worldwide and regional bandwidth, port speed, D/DoS mitigation, IPv6 http://bgp.he.net/
3. CPU speed: PassMark CPU Mark 2000+, sysbench < 20 ms, WordPress Speedtest < 150 ms
4. Memory bandwidth: flat graphs with bandwidth64
5. Disk access time: < 1 ms
6. Scheduled backup

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