Technical SEO Case Study: From Beginner to Expert (20 Questions)
🟢 Level 1: Easy
- What is Technical SEO?
- What is the difference between crawling and indexing?
- What is the role of search engine bots in SEO?
- What is a sitemap.xml file?
- What is robots.txt and how does it work?
- Why is mobile-friendliness important for SEO?
🟡 Level 2: Intermediate
- Why are some pages not getting indexed even after submission?
- What is a canonical tag and when should you use it?
- How do duplicate URLs affect SEO performance?
- What are Core Web Vitals and why do they matter?
- How can slow page speed impact rankings?
- What is structured data and how does it improve SEO?
Level 3: Advanced
- What steps would you take after a sudden 45% traffic drop?
- What does “Crawled – Currently Not Indexed” indicate?
- How do you optimize crawl budget for a large website?
- How do you fix multiple 404 errors on a website?
- What is lazy loading and how does it affect SEO?
🔴 Level 4: Expert
- How would you fix failing Core Web Vitals in detail?
- Why can rankings drop after migrating from HTTP to HTTPS?
- How do you ensure Google indexes the correct version of your pages instead of duplicates?
🟢 LEVEL 1: BASIC (Easy Questions)
1. What is Technical SEO and why is it important?
Technical SEO refers to optimizing the backend structure of a website to help search engines crawl, index, and rank it efficiently.
2. What is crawling?
Crawling is when search engine bots scan your website pages.
3. What is indexing?
Indexing is the process of storing your website pages in search engine databases.
4. What is a sitemap.xml file? Why is it useful?
It lists all important URLs so search engines can find and index them faster.
5. What is robots.txt?
It tells search engines which pages to crawl or avoid.
6. Why is mobile-friendliness important in Technical SEO?
Because Google uses mobile-first indexing, meaning rankings depend on mobile performance.
🟡 LEVEL 2: INTERMEDIATE (Practical Problems)
7. Your website pages are not getting indexed. What could be the reason?
- Noindex tag
- Blocked in robots.txt
- Poor internal linking
- Low-quality content
8. What is a canonical tag and why is it used?
It prevents duplicate content by specifying the main version of a page.
9. Your site has duplicate URLs with parameters. How will you fix it?
- Use canonical tags
- URL parameter handling in Search Console
- Clean URL structure
10. What are Core Web Vitals?
- LCP (Loading speed)
- FID (Interaction delay)
- CLS (Layout shift)
11. If your website loads in 6 seconds, what should you do?
- Optimize images
- Use CDN
- Minify CSS/JS
- Enable caching
12. What is structured data (Schema Markup)?
Code that helps search engines understand content better and show rich results.
🟠LEVEL 3: ADVANCED (Real Case Fixing)
13. Traffic dropped by 45%. What will be your first Technical SEO audit steps?
- Check Google Search Console
- Identify indexing issues
- Analyze crawl errors
- Check recent algorithm updates
14. You see “Crawled – Currently Not Indexed”. What does it mean?
Google crawled the page but didn’t find it valuable enough to index.
15. How will you fix crawl budget issues?
- Remove low-value pages
- Fix broken links
- Optimize internal linking
- Use sitemap properly
16. Website has many 404 errors. What should you do?
- Redirect important pages (301)
- Fix broken internal links
- Remove unnecessary URLs
17. What is lazy loading and how does it help SEO?
Images load only when needed → improves page speed.
🔴 LEVEL 4: EXPERT (Complex Scenarios)
18. Your Core Web Vitals are failing. What is your full strategy?
- Improve server response time
- Use fast hosting
- Optimize fonts and scripts
- Reduce layout shifts
19. Website migrated to HTTPS but rankings dropped. Why?
- Improper redirects
- Mixed content issues
- Broken links
- Missing canonical updates
20. Google indexed wrong pages instead of main pages. How will you fix it?
- Use canonical tags
- Improve internal linking
- Update sitemap
- Remove duplicate pages

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