I’m not from the US and I'm applying to US grad schools for a PhD in Math and I'd like to share my academic website containing details about six of my favourite courses that I took in my masters and around 30 or so PDFs of solutions to challenging problems, assignments, tests etc. that I did during my program. This could be seen as evidence that I made efforts to solve problems beyond the syllabus and that I'm genuinely interested in researching those areas.
I usually share a link in the contact information section of my CV but in case a CV is not requested, what's the best place to share this link? I could add a line in my SOP and include a link in the footer but that's usually discouraged.
Will also including information about my extracurricular activities and some photos be considered okay? What else could I include in this website to give further evidence of my preparedness for a PhD program? (I do not have any publications or master's thesis yet)