The famous DOGCHECK from Toby Fox's games. Now in a web format with customisation. Normally it will randomly choose a message and display it on the webpage but you can change that. There is also a 5% chance of an easter egg. Spoiler warning for DELTARUNE Chapter 4.
Use URL parameters to customize your message
error:
An HTTPS Error code or a Chrome Error code. will override the message and be displayed with their official name.
url:
Any URL, will be displayed at the bottom.
message:
Any text you want to be displayed on the webpage. Will override any error message.
The Default:
https://xia-qi2450.github.io/dogcheck/
A 404 Error screen:
https://xia-qi2450.github.io/dogcheck/?error=404
A 503 Error screen with a website attached:
https://xia-qi2450.github.io/dogcheck/?error=503&url=https://github.com/Xia-Qi2450/dogcheck/
Dogcheck with custom message:
https://xia-qi2450.github.io/dogcheck/?message=This%20is%20a%20custom%20message
Credits to Toby Fox for making UNDERTALE and DELTARUNE