Accenture React Interview Questions 2026
Published July 22, 2026 · Updated July 22, 2026
9 real React interview questions asked at Accenture. Upvoted by engineers who cleared the loop. Covers Technical rounds.
9 questions
335 engineers asked
491 upvotes
Company: Accenture
Technology: React
All React Questions Asked at Accenture
Accenture
Medium
Technical round
8–12 YearsJavaScriptHTMLReact
What is the difference between async and defer attributes in JavaScript? When would you use each one?
↑ 41 upvotes · 28 engineers asked this · Full Stack Developer
Accenture
Medium
Technical round
8–12 YearsReactCSSPerformance
What is Critical CSS, and how does it improve page load performance in React applications?
↑ 37 upvotes · 24 engineers asked this · Full Stack Developer
Accenture
Medium
Technical round
8–12 YearsReactNext.jsPerformance
What techniques can be used to optimize images in React or Next.js applications for better performance?
↑ 52 upvotes · 35 engineers asked this · Full Stack Developer
Accenture
Medium
Technical round
8–12 YearsJavaScriptCDNReact
How would you optimize video delivery in a web application to reduce load times and improve user experience?
↑ 33 upvotes · 21 engineers asked this · Full Stack Developer
Accenture
Hard
Technical round
8–12 YearsReactJavaScriptPerformance
What causes unnecessary re-renders in React, and how can React.memo, useMemo, and useCallback help improve performance?
↑ 78 upvotes · 54 engineers asked this · Full Stack Developer
Accenture
Hard
Technical round
8–12 YearsReactWebpackPerformance
A React application has a slow initial page load. What steps would you take to identify and fix the performance bottlenecks?
↑ 67 upvotes · 47 engineers asked this · Full Stack Developer
Accenture
Medium
Technical round
8–12 YearsJavaScriptReactPerformance
How would you optimize the loading of third-party scripts such as analytics, chat widgets, or advertising libraries?
↑ 49 upvotes · 33 engineers asked this · Full Stack Developer
Accenture
Hard
Technical round
8–12 YearsReactLighthousePerformance
What strategies would you use to improve Core Web Vitals (LCP, FID/INP, CLS) in a React application?
↑ 71 upvotes · 49 engineers asked this · Full Stack Developer
Accenture
Hard
Technical round
8–12 YearsReactJavaScriptPerformance
A component renders hundreds of items and users experience UI lag. How would you investigate and optimize the rendering performance?
↑ 63 upvotes · 44 engineers asked this · Full Stack Developer
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Frequently asked questions
What is the difference between async and defer attributes in JavaScript? When would you use each one?
What is the difference between async and defer attributes in JavaScript? When would you use each one?
What is Critical CSS, and how does it improve page load performance in React applications?
What is Critical CSS, and how does it improve page load performance in React applications?
What techniques can be used to optimize images in React or Next.js applications for better performance?
What techniques can be used to optimize images in React or Next.js applications for better performance?
How would you optimize video delivery in a web application to reduce load times and improve user experience?
How would you optimize video delivery in a web application to reduce load times and improve user experience?
What causes unnecessary re-renders in React, and how can React.memo, useMemo, and useCallback help improve performance?
What causes unnecessary re-renders in React, and how can React.memo, useMemo, and useCallback help improve performance?
A React application has a slow initial page load. What steps would you take to identify and fix the performance bottlenecks?
A React application has a slow initial page load. What steps would you take to identify and fix the performance bottlenecks?
How would you optimize the loading of third-party scripts such as analytics, chat widgets, or advertising libraries?
How would you optimize the loading of third-party scripts such as analytics, chat widgets, or advertising libraries?
What strategies would you use to improve Core Web Vitals (LCP, FID/INP, CLS) in a React application?
What strategies would you use to improve Core Web Vitals (LCP, FID/INP, CLS) in a React application?