Accenture Performance Interview Questions 2026

Published July 22, 2026 · Updated July 22, 2026

8 real Performance interview questions asked at Accenture. Upvoted by engineers who cleared the loop. Covers Technical rounds.

8 questions
317 engineers asked
462 upvotes
Company: Accenture
Technology: Performance

All Performance Questions Asked at Accenture

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 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 Medium Technical round 8–12 YearsHTMLJavaScriptPerformance

What are resource hints such as preload, prefetch, and dns-prefetch? Explain when you would use each of them.

↑ 45 upvotes · 31 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 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?
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?
What are resource hints such as preload, prefetch, and dns-prefetch? Explain when you would use each of them.
What are resource hints such as preload, prefetch, and dns-prefetch? Explain when you would use each of them.
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?
A component renders hundreds of items and users experience UI lag. How would you investigate and optimize the rendering performance?
A component renders hundreds of items and users experience UI lag. How would you investigate and optimize the rendering performance?