Juliacodes.com I really liked how she added a fade-in to her content on load. I emulated this with a fade-in keyframe.
Brittanychiang.com Her 'Get in Touch' section is superb. I borrowed a lot of strings she uses including the link text, "Say Hello"
Kevin Powell I stole Kevin's expanding buttons.
Smashing Magazine The large text and placeholder text in the search navigation was inspiring.
developer.mozilla.org I freaking love MDN. Thank you to all the folks at Mozilla who maintain it.
Icons and Logos
sharingbuttons.io Social share buttons used on post-detail page.
Arrow up Bootstrap icon Arrow up Bootstrap icon for scroll-to-top behavior.
Shopify Logo Maker Shopify's logo maker created the blogthedata.com logo.
Avatarmaker.com Used this site to generate avatars used in the testimonial section on the portfolio page.
OnlyManu (Github Repo) Used this 404 page for my 404 page.