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?