How SEOs / SEMs earn trust and other things

Number] [13/02 SEM/SEO SEO is an abbreviation of Search Engine Optimization and Search Engine Marketing is abbreviated as SEM. The term SEM is associated to promoting and increasing traffic on websites. On the other hand, the term SEO is associated to improvement process of a website, both for the user and the search engine.
SEO works through the following four steps:
Keyword research means that a combination of words which are relevant, have a competitive opportunity and are commercially attractive. are displayed.
Readiness which means that the website needs to be active and should be considered as the first choice by every search engine. For this, website must have a good loading speed and a clear HTML code.
Architecture and Tagging:
The website should be clear enough for search engines to understand. the website should have relevant information and easy access.
Link Popularity means that search engines would only point towards the specific website, if it has relevant and similar content with the link of the website. Meaning, the website name should be relevant with its content (Inci).
SEM
SEM works in two ways, through on-site an off-site optimization. Off-site optimization works on generating high quality content, original and relevant information. Whereas on-site optimization deals with making a website more user friendly.
SEM and SEO have gained trust of their clients by keeping the matter of publicity private and not disclosing about their clients or advertising their website. SEM and SEO have a strict privacy policy about confidentiality of their clients.
SEM is beneficial for clients as they can use it for increasing visitors to their websites and providing users a search engine which operates 24/7. SEM gives clients a high Return on Investment (Inci).
Similarly, SEO is beneficial for clients as they can use it to build the credibility of a brand, decrease their costs and provide users with better access to data (10 Benefits of SEO).
A client can use SEO and SEM at any level of their business, especially when their popularity is going down and is no longer visible to the public.

Work Cited
Inci, Duran. How Does SEM (Search Engine Marketing) Work? 2010. Web. 12 Feb. 2013. .
Inci, Duran. How Does SEO Work? (Search Engine Optimization). 2011. Web. 12 Feb. 2013. .
10 Benefits of SEO. 2012. Web. 12 Feb. 2013. .