Online Advertising: Formats, Traffic Sources, and What Actually Works

Online​‍​‌‍​‍‌​‍​‌‍​‍‌ advertising brings your offers in front of potential customers over the internet through various paid placements, programmatic networks, and performance-based campaigns.

If you are implementing internet advertising for the first time or expanding your current online marketing and advertising capabilities, it is critical that you comprehend how online advertisers buy and optimize traffic.

Here you will find an explanation of internet advertisement formats, channels, and strategies without unnecessary ​‍​‌‍​‍‌​‍​‌‍​‍‌words.

What Is Online Advertising?

Online​‍​‌‍​‍‌​‍​‌‍​‍‌ advertising (also referred to as internet advertising or web advertisement) is the method of buying space to show promotional content on various digital properties like websites, apps, search engines, and streaming platforms.

In distinction from organic strategies, online internet advertising provides instant reach and gives the advertiser an accurate level of control ​‍​‌‍​‍‌​‍​‌‍​‍‌over:

Targeting

Targeting

Who sees your ads based on behavior, intent, geography, or device

Budget

Budget

Exactly how much you spend per click, impression, or conversion

scale

Scale

Volume of traffic you drive, adjusted in real time

How Online Advertising Works

Internet advertisement campaigns follow a basic structure, whether you’re running search ads, display banners, or native placements.

STEP 1

Choose Your Traffic Source Decide where your ads will appear : search engines, content sites, ad networks, or programmatic exchanges.

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STEP 2

Define Your Audience Set targeting parameters like location, device type, interests, or contextual signals.

STEP 3

Set Your Budget and Bid Establish daily spend limits and bid amounts based on your model (CPC, CPM, CPA).
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STEP 4

Launch and Monitor Ads go live. Performance data flows in. You adjust creative, placements, or bids to improve ROI.
This process applies across nearly all forms of advertising on internet platforms.

Types of Online Advertising Formats

Online advertisers use different ad formats depending on campaign goals, audience behavior, and creative assets.

Each format has trade-offs in cost, reach, and conversion potential. You can explore these in detail on our Ad Formats page.

Display Advertising

Visual banner ads shown across websites and apps. Best for awareness and retargeting.

Native Advertising

Ads designed to blend with surrounding content. Common on editorial sites and news feeds.

Search Advertising

Text ads triggered by user search queries. High-intent traffic, often expensive.

Popunder Ads

Browser windows that open behind the active tab. Known for volume and directness.

Push Notification Ads

Clickable alerts sent to opted-in users. Works well for time-sensitive offers.

Video Ads

Pre-roll, mid-roll, or display video placements. Effective for storytelling and engagement.

Where Online Ads Appear

Internet advertising doesn’t just happen on Google or Facebook.

Online advertisers access inventory across a wide spectrum of digital environments.

Search Engines

Ads appear on result pages when users search for specific terms or phrases.

Mobile Apps

In-app banner, interstitial, and rewarded video placements.

Content Websites

Display and native ads across blogs, news sites, and niche publishers.

Ad Networks & Exchanges

Programmatic platforms that aggregate inventory from thousands of publishers.

Streaming Platforms

Video ads before, during, or around entertainment content.

Affiliate Networks

Performance-based placements where publishers promote offers for commission.

Understanding where web advertisement inventory lives helps you choose the right channel for your goal.

Organic vs Paid: What's the Difference?

Not all internet advertising requires upfront spend. Some strategies rely on time and content rather than budget.

Organic Online Marketing

Organic methods focus on earning visibility without paying for placement.

Common approaches:

Organic strategies take longer to show results but can build sustainable traffic over time.

Paid Online Advertising

Paid advertising on internet platforms delivers instant reach in exchange for budget.

Common approaches:

Paid methods give you control over targeting, volume, and speed but require ongoing investment.

Most successful online advertisers use a combination of both.

How Online Advertisers Measure Success

Internet advertising is built on data. Every campaign generates performance metrics that show what’s working.

Impressions

How many times your ad was displayed

Clicks

How many users clicked through to your destination

CTR (Click-Through Rate)

Percentage of impressions that resulted in clicks

CPC (Cost Per Click)

How much you pay each time someone clicks your ad

Conversions

Actions users take after clicking (signups, purchases, etc.)

CPA (Cost Per Acquisition)

How much you pay per conversion

ROI (Return on Investment)

Revenue generated compared to ad spend

Understanding these metrics helps online advertisers optimize campaigns and scale profitably.

Common Challenges in Online Advertising

Web advertisement campaigns don’t always perform as expected. Knowing common obstacles helps you plan better.

01.

Rising CPCs

Competition drives up cost-per-click in popular channels. Solution: test alternative traffic sources and formats.

02.

Ad Fatigue

Users stop clicking after seeing the same creative repeatedly. Solution: rotate creatives and refresh messaging.

03.

Poor Targeting

Broad targeting wastes budget on unqualified traffic. Solution: refine audience segments and use intent signals.

04.

Low Conversion Rates

Clicks don’t guarantee conversions. Solution: optimize landing pages and match ad messaging to offer.

05.

Attribution Issues

Hard to track which ads drive results across devices. Solution: use tracking pixels and postback URLs.

Experienced online advertisers plan for these issues before launching campaigns.

Where Reacheffect Fits In

Reacheffect is a programmatic advertising authority built by people who’ve run real campaigns in affiliate and performance marketing.

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We help online advertisers:

Our focus is helping marketers make informed decisions before committing budget. Whether they’re testing new online marketing and advertising channels or scaling proven winners.

Explore current opportunities and partner networks on our Advertise page.

FAQ

What is online advertising?

Online advertising is the practice of paying to display promotional content across websites, apps, search engines, and digital platforms. It delivers measurable reach and allows precise targeting and budget control.

Costs vary widely by format and traffic source. Display ads might cost $0.50–$3 CPM, while search ads can run $1–$50+ per click depending on competition and keywords.

Yes. Start with a small test budget ($500–$1,000), choose one traffic source, and focus on learning before scaling. Display and native ads are beginner-friendly entry points.

Use tracking pixels, conversion pixels, or postback URLs to monitor clicks, conversions, and ROI. Most ad platforms provide built-in analytics dashboards for campaign data.

Popunder and display ads typically deliver the highest volume at lower CPMs. Search and native ads often have higher intent but lower overall reach.