Cloudinary is an end-to-end image- and video-management solution for websites and mobile apps, covering everything from image and video uploads, storage, manipulations, optimisations to delivery.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Svelte is a free and open-source front end compiler created by Rich Harris and maintained by the Svelte core team members.
Vercel is a cloud platform for static frontends and serverless functions.