Udemy : Become a Full-Stack Web Developer with just ONE course. HTML, CSS, Javascript, Node, React, PostgreSQL, Web3 and DApps
Cool Links:
https://www.nslookup.io/domains/google.com/dns-records/ - DNS LookUP
https://www.submarinecablemap.com/submarine-cable/firmina - Submarine Cable
https://www.keybr.com/ - increase typing speed
https://www.lipsum.com/ - free text/placxeholder text
https://www.broipsum.com/ - free text/placxeholder text
https://www.diffchecker.com/ - check difference of code
https://picsum.photos/ - random pics
https://colorhunt.co/ - color palettes
https://fonts.google.com/ - free fonts
https://html5up.net/ - free temlpates
https://angrytools.com/gradient/ - gradient tool
https://imgbb.com/ - upload images and get link to it
https://flexboxfroggy.com/ - flexbox froggy : refresh flexbox
https://css-tricks.com/snippets/css/a-guide-to-flexbox/#aa-flexbox-tricks - flexbox guide and more
https://appbrewery.github.io/flex-layout/- flexbox playground
https://appbrewery.github.io/css-inspection/ - homework
https://www.csfieldguide.org.nz/en/chapters/ - chekc this out
https://bootswatch.com/ - free templetes font