w3schools.com
https://stackoverflow.com/
https://jsfiddle.net/
These free websites allow for continual learning and understand the latest developments and website build and design techniques. Not only this, they also help to share information on bugs and language coding limitations.
wimdejong.com is based in Nîmes, in the south of France. We develop locally, but have also completed projects in the Netherlands and the UK. Our latest major work was for a British company developing apps for mobile phones to protect children. All the tools above are used on a daily basis.
the End