This site can’t be reached

The webpage at https://public-api.wordpress.com/oauth2/authorize?client_id=1854&response_type=code&blog_id=0&state=6405e95d67418dded666ac59d17c58daba36f463d2c8357455b0e46e869b66d2&redirect_uri=https%3A%2F%2Fgravatar.com%2Fconnect%2F%3Fredirect_to%3D%252Fdevelopers%26action%3Drequest_access_token might be temporarily down or it may have moved permanently to a new web address.