Good day,
I have reviewed your requirements for "Inserting a HTML widget on my Squarespace website" and make it good looking for your targeted audience
With 2+ more years of experience in Laravel, HTML, CSS, JavaScript, React Native, AWS, and WordPress, and working with different clients on different platforms I have the ability to look after your problem with the perfect experience.
Kindly go through my website:
https://www.freelancer.com/u/Zonetiks
This is Emad looking forward to getting started.