Search Engine

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Search Engine by Mind Map: Search Engine

1. makes web pages easier to find and use

2. The percentage of visitors that leave a website (or “bounce” back to the search results or referring website) after viewing only one page on that site.

3. squash the infor down into a tiny package

4. basics 5 components

4.1. words

4.1.1. common use words

4.2. title

4.2.1. official title

4.3. links

4.3.1. between websites

4.4. words in links

4.4.1. words place in links

4.5. reputation

4.5.1. fresh, engaging content and growing no of quality links

5. generate results using an algorithm based on user's search criteria

6. what they do

6.1. scan & analyse pages

6.2. evaluate the content -> what key information should be indexed

6.3. deliver them to the search engine

6.4. record key information abt page - title, description, keywords, links

6.5. copy the page & deliver them to the search engine

7. returns results that are relevant to searcher's query

8. Applications

8.1. enables users to search the web using keywords

8.2. acts as a catalogue for the web

9. aim

9.1. ranks the results according to the popularity of the website serving the information

10. what does it do

10.1. automatically visits websites

10.2. records and indexes them within its database

11. components

11.1. crawlers / spiders / bots

11.1.1. basic job -> index a page so that it is available to be used as a search result

11.2. indexer

11.2.1. a huge DB -> infor store

11.2.2. when u click search -> DB is being searched

11.3. query processor

11.3.1. user performs a search -> 1. looks up their index --> 2. provides using its own algorithm ---> most to least relevant

12. metasearch engine

12.1. all-in-one search engine

12.2. duplicated retrievals are eliminated

12.3. advantage: a single query can access many search engines at once

12.3.1. performs a search by the use of more than one other search engine to complete the search job

12.4. disadvantage: a high noise-to-signal ration - a lot of matches will not be suitable for the user

13. metadata

13.1. Enhances the accessibility of data, whilst also enhancing usability for everyone

13.2. data about data

13.3. 3 important components

13.3.1. page title

13.3.2. keywords

13.3.3. description

14. fuzzy matching

14.1. A process that locates Web pages that are likely to be relevant to searched keywords even when the keywords do not exactly correspond to the desired information

14.2. can operate like a spell checker and spelling-error corrector

14.3. can compensate for common input typing errors

15. four possible for bad search

15.1. no content

15.2. bad search pharses

15.3. bad search engine

15.4. bad content

16. techniques

16.1. quatation marks ""

16.1.1. searching for exact phrases

16.2. wildcards *

16.2.1. tag all spellings of the word starting

16.3. boolen search

16.3.1. logical operator

16.3.1.1. narrows the search by retrieving only records containing both keywords used in the search statement

16.3.1.2. AND

16.3.1.3. OR

16.3.1.3.1. broadens your search by retrieving either one or more of the keywords used in the search statement

16.3.1.4. NOT

16.3.1.4.1. excludes records containing the second keyword in your search statement

16.4. parenthesis ()

16.4.1. to control the logic of the query and they may appear in any combination.

17. getting a website discovered

17.1. 1. creating and submitting a sitemap

17.1.1. A sitemap is an XML document on a website’s server.

17.1.2. It tells search engines when new pages have been added and how often to check back for changes on specific pages.

17.1.2.1. Google XML plugin

17.1.3. how to create

17.1.3.1. XML sitemaps generator

17.1.4. A sitemap can be submitted to Google Webmaster Tools.

17.2. 2. installing google analytics

17.2.1. Web Analytics service that is provided by Google to track and report website traffic

17.3. 3. submitting website to search engine

17.3.1. Website can be submitted to a Search Engine directly

17.3.2. This can speed up the indexing process

17.4. 4. via social profiles

17.4.1. Crawlers get to a website via links.

17.4.2. nofollow links: Do not allow search engine crawlers to follow the link. Only Humans will be able to follow the links.

18. SEO

18.1. The process of maximising the number of visitors to particular website by ensuring that the site appears high on the list of results returned by Search Engine.

18.2. Purpose: Communicating to Search Engines website’s intentions so they can recommend that website for relevant searches.

18.3. what SE are looking for

18.3.1. content

18.3.1.1. theme, text, title, and description page

18.3.2. authority

18.3.2.1. good content

18.3.3. user experience

18.3.3.1. look & feel of a website

18.3.4. performance

18.3.4.1. fast loading

18.4. what SE are not looking for

18.4.1. keyword stuffing

18.4.1.1. overuse keywords

18.4.2. purchased links

18.4.2.1. Will get a website nowhere when it comes to SEO

18.4.3. poor UX

18.5. bounce rate