I'd start with these 10 topics to strengthen my knowledge base on the core web
1) Playing with Binary data :
Array Buffer: https://lnkd.in/gjfznEJz
Typed Arrays: https://lnkd.in/gH7P4uqs
Data View: https://lnkd.in/gvtr26Pp
Blobs: https://lnkd.in/gPt-yZ2W
2) Network concepts:
Web Sockets: https://lnkd.in/gpTft3xy
Streams: https://lnkd.in/gcnGCem3
WebRTC: https://lnkd.in/g-FSpNsd
Http/2 protocol: https://lnkd.in/gYR9nvye
QUIC protocol: https://lnkd.in/gEYxjGU4
3) Media concepts:
Media Stream: https://lnkd.in/geAxHt-F
Media Recorder: https://lnkd.in/gk2Tr_fU
Screen Capture: https://lnkd.in/gm-xGS8f
Media Devices https://lnkd.in/gX2B-APp
4) DOM based concepts:
Intersection Observer: https://lnkd.in/gP4sW_Zr
Mutation Observer: https://lnkd.in/gfeFa9VQ
Resize Observer: https://lnkd.in/gjhMntVh
Performance Observer:
https://lnkd.in/gePh55wS
iframes: https://lnkd.in/qXWCBrX9
5) Data Storage:
Web Cookies: https://lnkd.in/gPMUKfyJ
IndexedDB: https://lnkd.in/gvtTY_Yi
Clipboard API: https://lnkd.in/gHDNYjy9
File Reader: https://lnkd.in/gFA2s5jN
6) Performance :
Web Workers: https://lnkd.in/g5ZifwMA
Web Vitals: https://lnkd.in/dMiAF9Rh
Memory Profiling: https://lnkd.in/gqXMguVP
7) Graphics rendering:
Canvas API: https://lnkd.in/gW4dD_VP
WebGL: https://lnkd.in/gCa_y73y
WebAnimations: https://lnkd.in/gWGM7i6j
8) Security techniques:
Trusted Types: https://lnkd.in/gdia28S5
CSP: https://lnkd.in/gfNE7F-D
Mime Sniff: https://lnkd.in/gwMXkyVt
9) Build optimizations:
Treeshaking: https://lnkd.in/gNsWcxSG
Code Splitting: https://lnkd.in/g6qSUEYc
10) Asset optimizations
Resource hints: https://lnkd.in/gGh8eddV
Compression techniques: https://lnkd.in/gb2tiCx4
Dynamic Image Loading: https://lnkd.in/gPDMErtV