SEO Technical SEO 3

Question 1

Which robots.txt directive is used to block all crawlers from accessing the entire site?

Accepted Answer

User-agent: * Disallow: /

Answer

'Disallow: /' tells all robots not to crawl any page on the site.

Question 2

What does the 'hreflang' attribute tell search engines?

Accepted Answer

The target language and region for alternate versions of a page

Answer

Hreflang specifies the language and optional geographic targeting of a page so search engines serve the correct version to users.

Question 3

Which HTTP header can be used to set a canonical URL instead of an HTML tag?

Accepted Answer

Link: rel=canonical

Answer

The HTTP Link header with rel=canonical allows non-HTML files like PDFs to specify a canonical URL.

Question 4

What is the Largest Contentful Paint (LCP) threshold for a 'Good' rating according to Google?

Accepted Answer

Under 2.5 seconds

Answer

Google considers an LCP of 2.5 seconds or less as 'Good,' measuring how quickly the largest visible content element loads.

Question 5

What does Google's mobile-first indexing mean for website owners?

Accepted Answer

Google primarily uses the mobile version of content for indexing and ranking

Answer

With mobile-first indexing, Googlebot predominantly crawls and indexes the mobile version of a site's content.

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