New site that lets you predict the congestion of Tokyo Disneyland/DisneySea

According to an aritcle "Check the congestion degree of Tokyo Disneyland from your mobile phone (Keitai Dcom) [jp]", there is a site that lets you predict the congestion of Tokyo Disneyland and DisneySea.

This site, disneycom.jp, scientifically analyzes and predicts the
congestion degree of Tokyo Disney Resort (Disneyland and DisneySea). Their analysis is based on data such as:

・Holidays in China, Hong Kong, Taiwan, and Korea
・Weekends and national holidays (including consecutive holidays) in Japan
・Prefectural holidays
・Make-up holidays for the sports days of schools around the Kanto region
・School vacations (spring, summer and winter)
・Pay-day
・event schedule of Disneyland and DisneySea
・School excursions (elementary, middle and high school students)
・Graduation trips (university students)
・Histroical weather records of Disneyland in the last ten years
・Past data corrections

Why they built this site? The developer explains:

One day, I was asked by my children to take them to Tokyo Disneyland. I searched the web, but contrary to what you might think, I couldn't find any site that would tell me the congestion forecast of Tokyo Disnelyland.

So he decided to make one himself, and he did.

If my memory serves me correctly, Tokyo Disneyland used to provide parking congestion information on their official website, but the page is gone now. So whenever I visit Tokyo Disneyland, what I can do is only to hope the congestion is not too bad.

But now, you can check the forcast here.

To say the truth, I am planning to visit there soon....

S：Extremely super crowded
Don't try to ride attractions. Enjoy the atmosphere

A：Super crowded
Don't try to ride attractions. Enjoy the events.

B：Very crowded
You might want to wait in line, but expect for only 3 or 4 rides.

C：Crowded
Normal congestion of Tokyo Disney Resort.

D：Crowded
You might need to wait in line for a while, but you can ride attractions.

E：Not crowded
You can ride attractions without waiting so long.

I looked for the "E" days, but it seems I need to wait until the cold season comes such as November and December.

We now need to consider not only holidays in Japan but those in other countries.

I'd definitely check this site when I go to Disneyland or DisneySea next time.