I have tried my best to give you all the basic valuable information about one of the Trending Topic of all time i.e, Search Engine Optimization. It covers all the pre-required knowledge need to learn about SEO. If you found that I have mention anything inaccurate, Please do not forget to drop a mail to me on #gauravkumar4967@gmail.com Thank you ! Happy Learning.

2. Agenda
 What is a Search Engine?
 Contribution of different Search Engines
 How Search Engine works?
 Search Engine Optimization (SEO)
 Types of SEO
 What are Ranking Factors?
 Black Hat/White Hat Optimizers
 Some Facts about Search Engine

3. What is a Search Engine?
 A Software program that searches for and identifies items in a database
that corresponds to keyword or characters specified by the user.
 Used especially finding particular sites on the World Wide Web.

4. Search Engine Contribution…

5. Working of Search Engine
• 1) Crawling
• 2) Indexing
• 3) Retrieval
• 4) Algorithms
Every Search
Engine has
four main
functions:

6. Working cont…
1. Crawling
 Process of fetching all the web pages linked to a website is crawling.
 They are basically used to extract the relevant searched information from the
various websites automatically based on different criterias.
 Crawlers look at web pages and follow links on those pages, much like you would if
you were browsing content on the web. They go from link to link and bring
data about those webpages back to servers.
 Snapshot
 When Crawler visit the webpage they take a photo/Copy of the page called as
“Snapshot”
 Cache Date
 Crawler leave a date and time on the page when they last visited
 For checking that just type “cache:Your Url” and hit enter.

7. Crawling Example

8. Working cont…
2. Indexing
 Process of creating index for all the fetched web pages and keeping
them into a giant database from where it can later be retrieved.
 Snapshot taken by the crawler is saved into their database. Which is
used to show the page result on the SERP.
 Note:
If the you have updated the page and Indexing is not
done then google will show old version on search result.

9. Indexing Example

10. Working cont…
3. Serving Result
 This is the most complex process of all
 Search Engine has database of billions of pages on internet. Each
page is talking about different queries (As the SEO worlds knows
Keywords).
 You type in a search query, and the search engine attempts to display
the most relevant documents it finds that match your query.

11. Serving Results

12. Working cont…
4. Algorithms
 Search Engine has database of billions of pages on internet.
 Algorithm has to decide the which page to rank first, second, third
and so on. For that search Engine will consider more than 200
factors and serve the result to user.
 So when the user type the query in the search box.
Different algorithm triggers and try to find most relevant pages.
 After this process we will get the following results. This process
require fraction of seconds to complete.
 PageRank (PR) is an algorithm used by Google Search to rank
websites in their search engine results.

15. SEO (Search Engine Optimization)
 Definition: According to Wikipedia, SEO is “the process of
affecting the visibility of a website or a web page in a search
engine’s unpaid results.”
 Alright, In simple words
Search engine optimization (SEO) is the process of
optimizing your online content so that a search engine
likes to show it as a top result for searches of a certain
keyword.
 SEO is the magic you have to work on your article in order to
make Google very likely to include your post as one of the top
results whenever someone searches for that keyword.

18. Ranking Factors
 Search Visits
 Total Visits
 Direct Visits
 Global Rank
 Time on Site
 Bounce Rate
 Page View

19. Types of Search Engine Optimizers