Search Engine Advertising


Search-engine advertising (SEA) or search advertising is a branch of online marketing. In search advertising, advertisements in the form of a text or images are posted on search engines such as Google or Bing. These ads then appear prominently in the SERPs. This method belongs to the main source of income for search engine providers. Search Engine Advertising is also a cost-effective way to improve your business and brand, as appearing high up in the SERPs makes you brand and products more visible.

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SEM vs. SEA vs. SEO[edit]

The marketing technologies SEO (search engine optimization), SEA (search engine advertising), and SEM (search engine marketing) can be differentiated as follows:

SEM[edit]

  • Search engine marketing, abbreviated: SEM
  • Combination of SEA and SEO, branch of online marketing
  • Encompasses all elements designed to improve the visibility of a website in the SERPs of a search engine.

SEA[edit]

  • Search engine advertising, abbreviated: SEA
  • Posting ads on search results pages or other websites using methods such as CPC (cost per click)
  • Booking ads in the SERPs based on bids on keywords for which the ads are placed
  • Good ranking can be achieved through optimization of text ads and offers
  • Clear control of advertisement measures with calculable success
  • Means to increase traffic or improve the brand
  • Can be part of a temporary marketing campaign
  • Many possibilities for targeting or retargeting
  • It can be part of remarketing
  • Acknowledged as advertising

SEO[edit]

  • Search engine optimization, abbreviated: SEO
  • Includes measures to optimize websites for crawling and indexing by search engines using on-page and off-page optimization.
  • Good rankings can be achieved through optimization of the website onpage and off-page factors
  • No decisive guarantee that optimization measures will lead to better positions for certain keywords
  • Branding is more of a secondary part of an SEO strategy
  • SEO is often long-term
  • Targeting can only be done through tests, evaluations, and estimations that lead to the adaptation of the content or seeding
  • “Invisible” for the user

Objectives of SEA[edit]

Search engine advertising is usually a part of a marketing or branding strategy. One of the primary objectives of SEA is to increase the click-through rate, as the number of clicks on a website can quickly be increased through the posting of advertisement space. The Conversion Rate is also particularly important for SEA, as it ultimately determines how high the advertising costs are, and thus the ROAS.

Search engine advertising can also be used to generate advertising pressure through page impressions from display campaigns. For the most part, advertisements are used by customers in the e-commerce industry as SEA is aimed at persuading the user to buy. Therefore, one of the main objectives is to increase conversions in the form of sales.

However, newsletter subscriptions, downloads, reviews, and leads, can be manipulated through search engine optimization. The scope of the SEA measures is thereby always dependent on the amount of invested advertising budget as well as the actual search volume of research keywords.

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Google Ads is a product of Alphabet Inc. that offers marketers a wide range of advertisement opportunities in the SEA field. The principle of placing ads through Ads is based on auctioning. Advertisers bid on a specific keyword or they pay for clicks and impressions on display advertisements. This is known as PPC or CPC advertising. Factors, such as the quality of the landing page, quality of the ad text, as well as relevance of the keywords and positive history of the AdWords account, play a crucial role in the final placement of text ads or banners. Banners or text ads posted through Google Ads are always regarded as advertising. The following forms of advertising are possible using Google Ads:

  • Classic text ads: An advertiser selects a keyword or keywords with which their text ads will be displayed on a prominent position in the SERP. This entails creating the so-called campaigns that, in turn, consist of ad groups. Every ad group is categorized into advertisements based on the selected keywords. If a user searches for one of these keywords, the corresponding AdWords advertisement is displayed.
  • Product listing ads: With the so-called Shopping Ads (former Product Listing Ads), Google Ads offers the possibility to place product ads that are directly created from a product file generated by the customer. The modulation is done by specifying the Structured Data in the data feed.
  • Display ads: These are ads in the form of images or text that are placed on platforms belonging to the Google advertisement network. Registration for this network can be done through the Google AdSense platform.

Google AdWords offers the possibility to combine different forms of advertisement of SEA. Simultaneous placement of PLA, text ads, and display ads is, therefore, possible. Google Ads is the most commonly used tool for SEA in the world. Other tools include platforms by Bing/Yahoo, Amazon, and Yandex.

  • Video ads: Advertisers in the Google AdWords program can also place ads on YouTube. Text or video ads are available for this purpose.
  • Gmail-Ads: If you use Google Adss, you can also book ads in Gmail accounts. Payment is made via CPM or PCC.

With the Ads Express program, Google offers small companies the possibility to use SEA without having to create their own campaigns. The files required are automatically generated by Google. The advertiser only provides their advertising budget.

Bing / Yahoo ads[edit]

Together with Yahoo, Bing also offers its own SEA platform. Bing / Yahoo ads function in a similar way to Google Ads. However, due to Google’s market dominance, Google Ads is the tool that is mostly used for SEA in Europe. Nevertheless, a comprehensive SEM strategy should also include possibilities to advertise on Bing and Yahoo, particularly in countries where Bing also has a large market share, for example in the USA.

Other SEA platforms[edit]

Besides the major search engine providers, almost all larger search engines offer their own advertising programs. SEA, through specialized search engines, can be advantageous depending on the targeting. As an alternative to purchasing ads from Google Ads, for example, Amazon product ads can also be placed on the Amazon platform.

Depending on the target markets of a business, it is important to know the largest local advertising platforms. For example, If a website also wants to be successful in Russia, SEA for Yandex, should also be taken into consideration. If an online shop wants to advertise vehicle parts to specific target groups, it can place ads on different car comparison portals.

Posting models[edit]

In SEA, posting ads is done based on different provisions:

  • PPC (pay per click), also known as CPC (cost per click): Here, the advertiser specifies how much they are willing to pay per click.
  • CPA (cost per acquisition): The advertiser specifies how much they are willing to pay per conversion achieved through the advertising measures.
  • CPM (cost per thousand): The advertiser specifies how much they are willing to pay per 1,000 impressions of advertisements.
  • Cost per call: Here, certain advertisement portals offer the possibility to specify how much an advertiser is willing to pay per visit.
  • Cost per lead: Depending on the web portal, costs for leads such as subscribing to a newsletter or downloading a PDF can also be agreed upon.

Impacts of SEA on SEO[edit]

Although search engine advertising is not considered to be a part of SEO, SEA can have an impact on the ranking of a website. SEA is therefore an indirect SEO measure. If an online shop raises its advertising impact through SEA and thereby improves its scope and visibility, direct type-ins of the shop’s name as a brand are likely to follow. Both the brand and domain trust of a website is strengthened. Since the Vince Update, the brand has played a greater role in the SERPs. For example, a website can increase its awareness with the help of SEA and, if a campaign is successful, can generate more traffic via the organic search, because the brand is known to many users and they are more likely to click on the more well known brand, even if it may be lower down in the search results.

Through SEA, Google, or any other search engine, receives information about the visits to a website. Since the click rate and bounce rate are also considered in the evaluation of a website, successful SEA measures also lead to an improvement of the quality of a website. Another direct consequence of SEA measures is that a website or web shop can become more famous and thereby result in “offline” access through word of mouth.