Track view

Performance and Security

Web vitals, rendering cost, caching, and browser-side security basics.

Performance and Security3-6y

Web Performance and Browser Security Basics

Know web vitals, bundle cost, rendering cost, XSS, and safe frontend data handling.

Simple mode, interview mode, example, pitfalls, and follow-ups are all inside this topic.

web-vitalssecurityxssbundle-size
Study topic
Performance and Security3-6y

Loading Strategy, Caching, and Core Web Vitals

Answer LCP, CLS, INP, image strategy, caching, and bundle questions with product-level clarity.

Simple mode, interview mode, example, pitfalls, and follow-ups are all inside this topic.

performancecore-web-vitalscachingloading
Study topic
Performance and Security3-6y

Frontend Security, Auth, and Trust Boundaries

Explain XSS, CSRF, token storage, CSP, sanitization, and what frontend can and cannot guarantee.

Simple mode, interview mode, example, pitfalls, and follow-ups are all inside this topic.

securityxsscsrftokens
Study topic
Offline track resources

Local Performance and Security resource packs

1 local packs

These local packs are mapped to this track so you can study official-source ideas without leaving the application.

performancePerformance and Web Vitals

Performance and Web Vitals

A local digest of high-value web performance ideas that connect directly to React and product interview rounds.

Performance and SecurityReact.jsFrontend Breadth

Web vitals, LCP thinking, responsiveness, layout stability, render cost, bundle strategy, and main-thread awareness.

Open local study pack
Imported source library

Raw material from your existing folder

Generated 2026-03-15T13:12:46.058Z

This layer keeps the original resource library visible while the curated study system gives you cleaner answers.

Web perfomance and security.docxparsed

context/Web perfomance and security.docx

©All content, materials, and intellectual property contained within this document, including but not limited to text, images, diagrams, graphics, code, and any other original works, are protected by copyright laws and international treaties. This intellectual

Explain web Vitals and how to imporve? Or What are Web Vitals (LCP, FID, CLS)?How it's measured:Explain pillars of web security ?