HTTP-Response Generator for Webpage Performance Tests

Generate dummy webpage resources like CSS, javascript and images for testing webpage performance patterns.

Install on Heroku

heroku login
heroku create
git push heroku master
heroku open

or use

Usage

CSS

/css/<delay>?/<size>?/<name>.css

<delay>: response time in seconds

<size>: size of document in kilo-bytes

<name>: name for the resource to identify easily in the developer-tools network waterfall

Javascript

/javascript/<delay>?/<size>?/<time>?/<name>.js

<delay>: response time in seconds

<size>: size of document in kilo-bytes

<time>: runtime of the script when running in the browser in seconds

<name>: name for the resource to identify easily in the developer-tools network waterfall

PNG Image

/image/<delay>?/<width>?/<height>?/<color>.png

<delay>: response time in seconds

<width>: width of the image in pixel

<height>: height of the image in pixel

<color>: color of the image in hex-code (without #) or prefix with random

QR-code Image

/qr/<delay>?/<content|request-header>.png

<delay>: response time in seconds

<content>: content of the QR-code

<request-header>: request header as content of the QR-code (for example: referer)

Timeout for simulating a single point of failure (SPOF)

/spof

JSON

Return clients IP address.

/json/<delay>?/<size>?/<name>.json

<delay>: response time in seconds

<size>: size of document in kilo-bytes

<name>: name for the resource to identify easily in the developer-tools network waterfall