Search engine marketing (SEM) is a form of Internet marketing to promote website on World Wide Web by increasing their visibility in search engine result pages. Search engine marketing (SEM) methods include Search Engine Optimization (SEO), Search Engine Submission (SES), Pay-Per-Click (PPC) Advertising on Search Engines for Sponsored Listing on search engines result pages / website content pages, Pay-Per-Call, Pay-Per-Action and Pay-Per-Impressions for banner advertising, etc.

Search engine optimization (SEO) is an act of making ones website content more search engine friendly to make it rank higher in Search Engine's Search results. Search Engine Optimization involves several On Page Optimization and Off Page Optimization activities. Each of them is designed to achieve a common objective of ranking website higher in organic results on search engines result pages. In SEO service there are several additional services commonly bundled as a package which include Search Engine Submission (SES), Website Link Popularity through Link Exchange, Directory Submission, Article Submission, etc.

Search Engine Submission is one of the essential parts of Search Engine Marketing Campaign. In this process your website is submitted to most search engines. Worldwide there are several hundreds of international and regional search engines and submitting your website to search engines is a challenging task. By submitting your website in to search engines you are informing search engine robots about your website presence and inviting search engines to crawl your website content. Once your website is submitted, Search Engines will index your website in few weeks depending upon their indexing queue. Your website will start to appear in to search engines soon after the indexing process is completed by search engines. Ranking of your website is decided by several off site factors like your websites Link Popularity etc.

Please Note: Just optimizing your website and submitting it to search engines is not enough to bring your website in TOP 10 Ranking for your keywords. You will need to consider several other link popularity services to increase your websites popularity and ranking in search engines. You will need to plan for more link popularity than your competitors' websites for top ranking on search engines.

Pay-Per-Click (PPC) is an advertising model offered by many search engines, advertising networks and content websites, where advertisers only pays when a user actually clicks on an ad to visit the advertiser's website. Advertisers bid on keywords they predict their target market will use as search terms when they are looking for a product or service. When a user types a keyword query matching the advertiser's keyword list, or views a page with relevant content, the advertiser's ad may be shown. These ads are called a "Sponsored links" or "sponsored ads" and appear next to or above the "natural" or organic results on search engine results pages, or anywhere a webmaster chooses on a content page.

Similar to pay per click (PPC), pay per call is a business model for ad listings in search engines and directories that allows publishers to charge local advertisers on a per-call basis for each lead (call) they generate. The term "pay per call" is sometimes confused with click to call*. Click-to-call, along with call tracking, is a technology that enables the "pay-per-call" business model. Pay-per-call is not just restricted to local advertisers. Many of the pay-per-call search engines allow advertisers with a national presence to create ads with local telephone numbers.

It's a variation adopted by many Search Engines wherein the advertisers pays the specified amount upon successful completion of an action i.e. form submission, conversion, lead, sale, etc.

In Pay-Per-Impression ads you pay advertiser based on the number of times your AD or banner appeared on their website. The Pay-Per-Impression ads could be calculated on Cost per impression (CPI), Cost Per Thousand (CPT) etc.

Pay Per Delivery is a variation of Pay Per Click used in email marketing, whereby email marketing campaigns are charged only on the basis of successfully delivered emails.

*Click to call : Click-to-call refers to the process of converting web-based traffic into direct telephony communication between an end user and some other entity. Click-to-call is a service which lets users click a button on a company website and immediately speak with a customer service representative. The call can either be carried over VoIP, or the customer may request an immediate call back by entering their phone number. One significant benefit to click-to-call providers is that it allows companies to monitor when online visitors change from the website to a phone sales channel.