OCR 1.3.4 Science Search Engine Indexing and Page Rank

What is the process of a search engine discovering and collecting information from web pages called?

• Scraping

• Crawling

• Indexing

• Googling

Explain the concept of web crawling and its role in search engine indexing.

• Web crawling is the process of systematically browsing the internet to collect data, and it plays a crucial role in search engine indexing by gathering information from web pages and adding it to the search engine's database.

• Web crawling is the process of sending spam emails

• Web crawling is the process of deleting data from the internet

• Web crawling is the process of creating websites from scratch

What is the PageRank algorithm and how does it work?

• The PageRank algorithm is a type of social media ranking system used by Facebook to determine the popularity of user posts.

• The PageRank algorithm is a link analysis algorithm used by Google to rank web pages in their search engine results. It works by counting the number and quality of links to a page to determine a rough estimate of the website's importance.

• PageRank algorithm works by analyzing the color scheme and design of a web page to determine its ranking in search results.

• PageRank algorithm is a method used by Amazon to determine the pricing of products based on customer reviews.

Discuss the factors that contribute to web page relevance in search engine results.

• Keyword usage, quality of content, backlinks, user engagement, and website authority

• Use of emojis in the content

• Length of the URL

• Number of images on the page

How do algorithm updates impact search engine indexing and page rank?

• Algorithm updates can impact search engine indexing and page rank by changing the criteria used to rank and index web pages.

• Algorithm updates improve search engine indexing and page rank

• Algorithm updates have no impact on search engine indexing and page rank

• Algorithm updates only impact search engine indexing but not page rank

What are some common techniques used by search engines to crawl and index web pages effectively?

• Sending emails to website owners

• Scanning physical newspapers

• Using social media hashtags

• Web crawling, indexing, and analyzing page content

Why is it important for web pages to have high page rank in search engine results?

• Increased visibility and traffic

• Better tasting food

• Improved physical fitness

• Higher chance of winning the lottery

Explain the concept of link analysis and its significance in the PageRank algorithm.

• Link analysis is used to measure the importance of a webpage based on the number and quality of links pointing to it in the PageRank algorithm.

• Link analysis is used to determine the font size of a webpage in the PageRank algorithm.

• Link analysis is used to measure the color scheme of a webpage in the PageRank algorithm.

• Link analysis is used to count the number of images on a webpage in the PageRank algorithm.

What are some challenges faced by search engines in maintaining an accurate and up-to-date index of web pages?

• Outdated technology, slow internet speed, and lack of storage space

• Limited budget, lack of skilled personnel, and server downtime

• Duplicate content, dynamic pages, and constantly changing web pages

• Inaccurate algorithms, irrelevant search results, and low user engagement

How can webmasters optimize their websites for better search engine indexing and page rank?

• By using relevant keywords, creating high-quality content, improving website speed, using meta tags, and obtaining backlinks from reputable sources.

• By ignoring website speed and meta tags

• By using irrelevant keywords and low-quality content

• By obtaining backlinks from unreliable sources