2. SEO
SEO is a technique which helps search engines find and rank
your site higher than the millions of other sites in response to a
search query. SEO thus helps you get traffic from search
engines.
This SEO tutorial covers all the necessary information you need
to know about Search Engine Optimization - what is it, how
does it work and differences in the ranking criteria of major
search engines.
http://www.webconfs.com/seo-tutorial/introduction-to-seo.php
3. SEM
SEM stands for “search engine marketing.” It is the process
of gaining traffic from or visibility on search engines. The
phrase is also sometimes shortened to “search
marketing.”
SEM is an umbrella term that covers two broad areas:
- Gaining traffic through free SEO efforts
- Gaining traffic through paid search advertising
http://searchengineland.com/guide/what-is-sem
4. PPC
A brief Pay Per Click definition is: PPC is a type of
sponsored online advertising that is used on a wide range
of websites, including search engines, where the
advertiser only pays if a web user clicks on their ad.
Hence the title, „pay per click.‟
We can say that PPC is a very cost-effective means to get
their site noticed by their target audience while our other
Internet marketing strategies are gradually helping their
site achieve their natural ranking potential.
http://www.brickmarketing.com/what-is-pay-per-click.htm
5. SOCIAL SEARCH
Social search or a social search engine is a type of web search that takes
into account the Social Graph of the person initiating the search query.
When applied to web search this Social-Graph approach to relevance is in
contrast to established algorithmic or machine-based approaches where
relevance is determined by analyzing the text of each document or the link
structure of the documents. Search results produced by social search
engine give more visibility to content created or touched by users in the
Social Graph.
Social search takes many forms, ranging from simple shared bookmarks or
tagging of content with descriptive labels to more sophisticated
approaches that combine human intelligence with computer algorithms.
The search experience takes into account varying sources of metadata,
such as collaborative discovery of web pages, tags, social ranking,
commenting on bookmarks, news, images, videos, knowledge sharing,
podcasts and other web pages. Example forms of user input include..
.
http://mashable.com/category/social-search/
6. ORGANIC SEARCH
An organic search is a search that generates
results that were not paid advertisements. Many
customers feel that these results are a more
accurate reflection of what they might want
when searching for a specific phrase, because
they are generated by popularity and common
usage.
http://webdesign.about.com/od/seo/g/bldeforga
nicsea.htm
