24 SEO interview questions with answers
24 SEO interview questions with detailed answers, sorted from basic to advanced. Free to practice, with progress saved automatically.
All SEO interview questions
What is SEO? Why does a frontend developer need to understand it?
What are the most important meta tags for SEO? How do you write an effective title and description?
What is robots.txt? How do you configure it correctly?
What is an XML sitemap? When do you need one, and how do you create it?
What is a canonical URL? When should you use it?
How do CSR, SSR, and SSG affect SEO? How does Google crawl SPAs?
What are Core Web Vitals? How do they affect SEO rankings?
What is Structured Data (Schema.org)? What are the SEO benefits?
What are Open Graph and Twitter Cards? How do you implement them in Next.js?
How does internal linking affect SEO? What are the best practices?
What is crawl budget? How do you optimize it for large websites?
What is hreflang in i18n SEO? How do you implement it?
JavaScript SEO: what are the common mistakes that prevent Google from indexing content?
How does the Metadata API work in Next.js App Router?
How do you create a dynamic sitemap and robots.txt in Next.js App Router?
How does next/image optimize SEO and performance?
What are dynamic OG images in Next.js? How do you create them?
How do generateStaticParams and ISR affect SEO?
How do you optimize Largest Contentful Paint (LCP) in React/Next.js?
Alt text for images: why is it important and how do you write it correctly?
How does URL structure affect SEO? What are the best practices?
SEO audit checklist for frontend developers: what should you check?
301 vs 302 vs 308 redirects — what are the differences and how do they affect SEO?
What is mobile-first indexing? What should developers watch out for?
