04 - Search Engine Indexing

 1. Search engines like Google maintain huge databases called “_______” of all the keywords and the web addresses of pages where these keywords appear





 2. Search engines also use “bots” (software robots) called web-bots or spider bots that crawl the web 24/7 to scan webpages, _____________and follow hyperlinks to move from one page to the other

  create new web pages

  update the hyperlinks

  delete old web pages

  update the indexes

 3. In their indexes, for each ____ that has been indexed, a page rank score is also stored.

  DNS entry

  web page author



 4. A page rank score is a number that will be used to _____________________

  provide scored search results that are based on the index number (i.e. randomised)

  sort search results when displaying these to the end user.

  delete unauthorised web users

  provide awards to web page that attract low traffic

 5. Read the following excerpt that lists steps taken by a search engine like Google. Fill in the blanks for no. 4
The following steps occur when a user makes use of a search engine like google.

1 - A user submits a search query using Google’s search engine.

2 - Google searches all of the pages/URLs it has indexed for relevant content. 
(based on keywords)

3 - Google sorts the relevant pages/URLs based on PageRank scores.

4 - ????????????????????

  Google displays a list of keywords that appear in a textbox, and these are used to carry out a search

  Google displays a results page with the URLs that have been on the web longest (e.g. sorted by date)

  Google displays a results page, placing those pages/URLs with the most PageRank (assumed importance) first.

  Google returns to the index to list out all the results in index order (e.g. random order so it is fair)

 6. Search engines provide an interface to a group of items that enables users to specify criteria about an item of interest and have the engine find the matching items. The criteria are referred to as a ___________

  SEO option

  search query

  engine request

  meta request

 7. Page rank score is therefore a ________________calculated by a search engine for each page on the web to measure its degree of importance.

  page value (e.g. a whole page of meta data describing the site)

  numerical value

  string value

  boolean value

 8. Note that Google does not disclose its exact PageRank formula. The key concept of this formula though is as follows. Fill in the blanks
PageRank for a given page = 

Initial PageRank + (total ranking power of a page / ____________________________) + …

(“+…” means repeat this formula for each single page that links towards your page.

  number of inbound links (that is, pages inside the website that point to other pages inside the website)

  number of characters in the URL

  number of explicit (specific) words in the URL (e.g. test and track)

  number of outbound links of this page

 9. Which of the following stataements are true, in reference to search engine indexing?
The more web pages link towards your web page, the higher 
the page rank score for your page.

The higher the page rank score of pages linking towards 
your web page, the higher the page rank score for your page.

There are checks in place to minimise the impact of “link sharing” to 
artificially boost your page rank score

  Just 1 and 2

  All of them

  None of them

  Just 3

 10. If you build a website and want it to be as high up as posssible in search results, SEO is important. SEO stands for ________

  Search eggtime overall

  Search engine optimisation

  Search entity optimist

  Searching enigma optioning

 11. An XML sitemap gives search engines a list of all the pages on your site, as well as additional details about it such as when it was last modified
These can be useful for improving SEO



 12. For HTML pages, the __________ contains keywords which are also included in the index.

  global variable

  meta tag

  search algorithm

  JavaScript embedded functionality

 13. Optimizing a website may involve editing its content, adding content, including specific keywords and removing barriers to the indexing activities of search engines



 14. Promoting a site to increase the number of______________ or inbound links, is another SEO tactic


  meta tags


  facebook likes

 15. By May 2015, mobile search had surpassed desktop search. Read the following excerpt and decide whether it is, in its entirety, true or false.
Webmasters and content providers began optimizing websites for search engines in the
mid-1990s, as the first search engines were cataloging the early Web. 

Initially, all webmasters needed only to submit the address of a page, or URL, 
to the various engines which would send a "spider" to "crawl" that page, extract 
links to other pages from it, and return information found on the page 
to be indexed.

The process involves a search engine SPIDER downloading a page and storing it on
the search engine's own server. 

A second program, known as an INDEXER, extracts information about 
the page, such as the words it contains, where they are located, 
and any weight for specific words as well as all links the page contains. 

All of this information is then placed into a __________ for crawling at a later date