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AdWords Vs AdSense: Key Differences And How Each Works For Your Business

Discover the key differences between Google AdWords and AdSense, and learn how each platform can help either grow your business or monetize your website.

October 17, 2024
Written by
Matt Lenhard
Reviewed by

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When diving into the world of online advertising, you’re likely to encounter two major platforms from Google: AdWords (now referred to as Google Ads) and AdSense. While they might seem similar at first glance, both platforms serve distinct purposes and cater to different types of users. Understanding the difference between the two is essential for anyone looking to either promote their business online or monetize their website.

In this blog post, we’ll break down everything you need to know about AdWords vs. AdSense and help you determine which platform is right for you, whether you're a business owner or a website publisher.

What is Google AdWords (Google Ads)?

Google AdWords, rebranded as Google Ads in 2018, is an online advertising platform designed to help businesses reach potential customers across the internet. With Google Ads, advertisers can create custom ad campaigns that target individuals based on their search habits, demographics, and interests. These ads appear on Google Search (as sponsored results at the top or bottom of the search page) or across the Google Display Network (GDN), which includes millions of partner websites that allow ads to be displayed.

Google Ads allows businesses to bid on keywords, which are essentially the phrases and terms that potential customers might search for. The ads that end up appearing are influenced by a number of factors, including bid amount, ad relevance, and competitor activity.

The primary goals of Google Ads are to:

  • Increase brand visibility (by appearing on Google results or websites).
  • Drive traffic to your website.
  • Boost product sales or service inquiries.
  • Track and measure advertising ROI.

With Google Ads, advertisers have control over their budget and can set their own limits, making it useful for small businesses as well as large corporations looking to scale their digital marketing efforts.

What is Google AdSense?

Google AdSense is the flip side of the coin. While Google Ads allows advertisers to promote their products and services, AdSense is a tool for website publishers to make money by displaying ads on their sites. The publishers (website owners or blog creators) sign up for AdSense and then let Google automatically place targeted ads on their site, typically in the form of banners, text, or display advertisements. These ads can appear in various sections of a website, such as sidebars, footers, or within content.

AdSense works on a revenue-sharing model where the website owner earns money each time a user clicks on one of the ads (pay-per-click or PPC model) or views it (depending on the ad type). The more traffic your website has and the more relevant the ads are to your audience, the more money you can potentially make.

Some of the benefits of AdSense include:

  • Easy integration with various CMS platforms (such as WordPress).
  • Automatic ad placements based on your content.
  • Audience-targeted ads that are likely to generate clicks.
  • Passive income stream with relatively low maintenance.

In essence, while AdWords functions from the advertiser's perspective, AdSense supports the publisher's side by allowing them to host ads from advertisers (like those running campaigns through AdWords).

Core Differences Between Google Ads and Google AdSense

While both platforms are critical to Google's advertising ecosystem, they cater to entirely different audiences and have distinct features. Here’s a breakdown of the core differences between Google Ads (AdWords) and AdSense:

Aspect Google Ads (AdWords) Google AdSense
Target Audience Advertisers who want to promote their brand, products, or services. Publishers who own websites and want to monetize their content by displaying ads.
Revenue Model Advertisers pay each time a user clicks on their ad or based on impressions (CPM). Publishers earn money when users click on ads or view them, depending on the ad type.
Primary Goal Generate traffic or leads and increase sales. Monetize content and earn passive advertising income.
Platform Type For advertisers to display ads on Google Search and Display Network. For publishers to host advertiser ads on their websites.
Customization Highly customizable targeting options, including keywords, location, demographics, and devices. Limited customization; ads are automatically placed based on website content and user behavior.

How Do Google Ads and AdSense Work Together?

Google Ads and AdSense might serve opposite ends of the advertising model, but they’re inherently interconnected. Advertisers using Google Ads need outlets where their ads can appear, and this is where AdSense publishers come in. When you run a campaign on Google Ads, your ads can be shown on the Google Display Network, which is largely composed of websites that use AdSense to display ads. This symbiotic relationship forms the backbone of Google’s massive advertising networks.

Here’s how the ecosystem works:

  1. An advertiser sets up a Google Ads campaign and creates ads targeting specific users or keywords.
  2. Google then places the ads on relevant search engine results or on websites that are part of AdSense, displaying them to users who fit the targeting profile.
  3. If a user clicks on an ad (either on Google Search or on an AdSense-publishing site), the advertiser pays Google, and Google shares a portion of that revenue with the AdSense publisher.

In this way, both platforms effectively work together to deliver value for advertisers and publishers alike.

When Should You Use Google Ads vs. AdSense?

Whether you should be using Ads or AdSense depends primarily on your goals and the type of website you run. Let's break down some common scenarios for each platform:

If You’re a Business Owner or Advertiser:

Google Ads is your go-to platform if you are keen on:

  • Drumming up visibility for your business, product, or service.
  • Generating clicks, leads, and conversions via paid search ads or display ads.
  • Engaging in highly targeted advertising campaigns with adjustable budgets.
  • Measuring ROI and tracking customer conversion behavior.

If your primary goal is to reach new prospects and grow your customer base, Google Ads offers a robust range of tools for building a highly customized and precise advertising campaign.

If You’re a Publisher or Website Owner:

Google AdSense is the better option for you if:

  • You run a website or a blog and want to monetize your content.
  • You have a steady influx of traffic that allows for decent ad page impressions or clicks.
  • You don’t want to deal with monetization manually and prefer a hands-off approach.
  • You’re interested in passive income generation via ad hosting.

Whether you run a large news website or a niche blog, AdSense can help you make money without needing to actively sell ad space or manage relationships with advertisers.

Common Mistakes to Avoid

While both platforms are user-friendly, there are common mistakes that beginners should definitely be aware of:

Google Ads Mistakes

  • Not bidding on the right keywords can lead to wasted ad spend.
  • Failing to use negative keywords might cause your ads to appear for irrelevant searches.
  • Ignoring ad performance data could prevent you from understanding key insights, like which ads are driving the most ROI.
  • Setting generic or untargeted audiences can lower the efficiency and relevance of your campaigns.

Google AdSense Mistakes

  • Signing up without enough website traffic might lead to low revenue.
  • Placing ads in a way that disrupts the user's experience could negatively impact your site’s credibility (and traffic).
  • Failing to adhere to Google’s AdSense policies might result in an account suspension or ban.
  • Not optimizing your placement strategy might leave potential revenue on the table.

Conclusion

Google Ads and Google AdSense may seem similar because they’re both part of the same advertising ecosystem, but they serve different audiences and purposes. Understanding each platform’s strengths and shortcomings will help you make the most of your advertising or monetizing efforts. If you're an advertiser wanting to attract customers, Google Ads is the tool for you. Conversely, if you own a website and are looking to capitalize on your traffic, AdSense is the perfect option for monetization.

In the end, both tools can work together in synergy across the web, benefiting advertisers and publishers alike.

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Matt Lenhard
Co-founder & CTO of Positional

Matt Lenhard is the Co-founder & CTO of Positional. Matt is a serial entrepreneur and a full-stack developer. He's built companies in both B2C and B2B and used content marketing and SEO as a primary customer acquisition channel. Matt is a two-time Y Combinator alum having participated in the W16 and S21 batches.

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