I'm Elmer Dreyer.

This is my TEST site where I mess with web stuff


Elmer (Johan) Dreyer

I'm a failed wabbit catcher, but I do pretty decent websites. This is my TEST site where I try out scripts and Apps and other new online stuff. I do Front End and Full Stack developing for clients.

This way to my business site

My Web Skills


CSS3 and other CSS frameworks

JavaScript and various other JavaScript frameworks

Server-side stuff like PHP and Node.js

20+ years
Web Design Experience
Free jobs for charitable causes
Current Cyber Security Certificates

Some clients who like my work


Wouter Denig. CEO at Hotham Ridge Winery.

He has developed accommodation booking and also restaurant menu systems for us.


Francis Smit. CEO at LandcareSJ.

We have found him to be always available and most helpful with our queries.


Tony Fego. Retired CEO Systemaire.

Johan operated our website since 1997 until Systemaire was sold in 2008 .

Testing Stuff

I try new things here before I upload it

Hardening Windows OS

Built an Android App with Kotlin. Here is a web page with that handy info on how make your Windows OS more secure.

Risk Management

This App may still be sitting on Google Play. How to manage hazards in the workplace. Developed in jQuery.

Website in FLASH

This is about 17 years old. A complete website built in FLASH.Under 45 KB!Need a FLASH plugin to work.

Map App

Google Map App so visitors can pick the best route from various locations to a Winery for a day trip.

Backup Site

Small 1.7 MB site to upload in a zip file to the server, unzip and run within minutes if their large WordPress site goes down.

Random Quotes

Quotes you can add to your Twitter account. AJAX and JSON example to pull in information from elsewhere.

Contact Me

Mandurah, Australia

Phone: 0431 438 601

Email: info@online-business-services.mobi

Lets get in touch. Send me a message: