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Câu 1

Before the widespread use of HTTPS, what was a common security concern for websites that could indirectly affect SEO?

Câu 2

In the early 2000s, what was a prevalent tactic used by SEO professionals to increase keyword density on a page?

Câu 3

What was the primary purpose of creating a sitemap in the early days of SEO?

Câu 4

What did search engines primarily prioritize in their ranking factors before the significant shift towards user experience and content relevance?

Câu 5

What significant change did Google's Hummingbird update, released in 2013, introduce to search algorithms?

Câu 6

What was a common method for building links in the past that is now considered a black-hat SEO tactic?

Câu 7

Which of the following was a common practice for building internal links in early SEO, often involving repetition of anchor text?

Câu 8

What aspect of content creation was often overlooked in early SEO, leading to pages that ranked well but provided little value to users?

Câu 9

Before the widespread adoption of mobile-first indexing, what was the predominant approach to optimizing websites for search engines regarding device compatibility?

Câu 10

When did Google begin to heavily emphasize the importance of mobile-friendliness in its search rankings?

Câu 11

In the earlier phases of SEO, the 'meta keywords' tag was considered important for search engine ranking. What is its current relevance?

Câu 12

Which of the following was NOT a significant ranking factor in the early days of SEO, compared to today's standards?

Câu 13

Which algorithm update, released in 2011, significantly impacted websites that engaged in keyword stuffing and overly manipulative link schemes, emphasizing content quality?

Câu 14

Before the algorithm updates that penalized unnatural linking, what was a common method to artificially inflate a website's backlink profile?

Câu 15

What common practice did Google's Penguin update (released in 2012) primarily aim to penalize in the SEO landscape?

Câu 16

What did the 'Link Spam Update' (2012) by Google aim to combat within the SEO industry?

Câu 17

In the early days of SEO, what was a primary metric used to gauge a webpage's authority and influence, often involving tracking external links pointing to it?

Câu 18

What was a common off-page SEO strategy in the past that involved submitting website content to various directories?

Câu 19

Before the rise of semantic search, how did search engines primarily understand the context and meaning of a user's query?

Câu 20

What did the introduction of Google's Panda update in 2011 significantly shift the focus of SEO towards?