Question 1

What is the role of the <title> element for SEO?

Accepted Answer

Primary snippet title signal and browser tab label; unique per page. Keep concise and descriptive. Don't keyword-stuff. Align with h1 thematically without duplication spam.

Question 2

Explain meta description best practices.

Accepted Answer

Summarizes the page for SERP snippets; not a direct ranking factor but affects CTR. Unique, compelling, within typical display length. Avoid duplicate sitewide descriptions.

Question 3

How do canonical URLs help?

Accepted Answer

They declare the preferred URL when duplicates/near-duplicates exist. Use absolute URLs. Self-referential canonicals are common. Wrong canonicals can deindex pages.

Question 4

What Open Graph tags matter for sharing?

Accepted Answer

og:title, og:description, og:image, og:url (and twitter cards similarly). They control link previews on social platforms. Images should meet size guidelines.

Question 5

How does heading structure affect SEO?

Accepted Answer

Clear hierarchy helps crawlers and users understand topical structure. One clear h1, logical nesting, don't use headings only for styling. Content quality still dominates.

Question 6

What is robots meta vs robots.txt?

Accepted Answer

robots.txt governs crawling paths; meta robots governs indexing/snippet behavior per page. noindex can still allow crawl depending on setup. Disallow doesn't remove already indexed URLs alone.

Question 7

When should you use JSON-LD structured data?

Accepted Answer

To describe entities (Article, Product, FAQ) for rich results — matching visible content. Keep accurate and maintained. Misleading schema risks manual actions.

Question 8

How do SPAs hurt SEO if misconfigured?

Accepted Answer

Critical content may be client-only, slow TTFB/LCP, or missing unique titles per route. Prefer SSR/SSG or prerender for indexable routes. Ensure crawlable links (a href).

Question 9

What is hreflang used for?

Accepted Answer

Signals language/region variants of a page to search engines. Must be reciprocal and consistent. Mistakes can cause wrong locale in SERPs.

Question 10

How do you SEO-audit a marketing landing page?

Accepted Answer

Titles/meta, headings, crawlability, Core Web Vitals, structured data, internal links, indexability. Check rendered HTML, not just source templates. Validate with Search Console.

Question 11

Why do crawlable links matter more than onclick navigation?

Accepted Answer

Crawlers discover pages via href; JS-only navigation may hide routes. Use real anchors progressive-enhanced with client routers.

Question 12

Define an SEO content architecture for a large docs site.

Accepted Answer

Stable URL taxonomy, canonical rules, sitemap strategy, pagination, unique titles at scale. Automate metadata. Prevent soft-404s. Align IA with search intent clusters.

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