Script to run Lighthouse CLI performance tests

website-performance-test.ps1

# install nodejs
# run npm i -g lighthouse
# open powershell to folder where you saved this file
# use like:
# .testsite mycogen.com

Param (
    $url
)
$timestamp = Get-Date -Format yyyymmdd-hhmmss
$filename = "$url" -replace 'http://|https://', '' -replace '[\W]{1,}', '_' 

if (-not ($url -like 'http*')){
    $url = "http://$url"
}

$filename += "-$timestamp.html"
$folder = 'C:/temp/'
$path = "$folder$filename"

Write-Output "Url: $url"

# see https://github.com/GoogleChrome/lighthouse#cli-options
# for the CLI options
# mac ppl can just run it without this powershell wrapper

lighthouse $url --output html --output-path $path --chrome-flags="--headless --disable-extensions"  --emulated-form-factor desktop --throttling.rttMs 150 --throttling.throughputKbps 1638 --throttling.requestLatencyMs 562.5 --throttling.downloadThroughputKbps 1474 --throttling.uploadThroughputKbps 675 --throttling.cpuSlowdownMultiplier 4

Write-Output "-- DONE --"
Write-Output "Output: $path"
ii $folder