Once you know the numerical value of orange rectangle and green rectangle, you can follow the provided grid to find the cell where the two intersect. Clicking the button in the correct cell will take you to the next page of the puzzle. The wrong buttons lead to pages that don't exist and therefore 404 error pages.
Click the link in Column 10, Row 3, which is www.K8Baldwin.com/123119
You solved page one!
CONGRATULATIONS!
Q: What do you call a pony with a cough?
A: A Little Hoarse!
Close this box and continue with your puzzle plight.