Online Marketing

Video Advertising: Formats, Metrics & Best Practices

Define video advertising and its core formats. Understand how programmatic bidding works, maximize mobile engagement, and compare video to display ads.

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Video advertising is the practice of placing promotional content within digital video streams or video-enabled display units. It encompasses pre-roll, mid-roll, and post-roll ads that bookend internet video, as well as native and programmatic placements on publisher sites. This format dominates media consumption, accounting for the majority of global internet traffic and consistently outperforming static display ads on engagement and recall metrics.

What is Video Advertising?

Video advertising includes online display advertisements that contain video, but the term generally refers to promotional clips served before, during, or after a video stream on the internet. It also covers programmatic placements on broadcast and newspaper websites such as Sky.com, ITV.com, The Telegraph, and The Guardian.

The Interactive Advertising Bureau (IAB) defines three primary formats: Linear video ads (presented sequentially before, during, or after content), Non-linear video ads (running concurrently with video as overlays), and Companion ads (text, display, or rich media skins surrounding the video experience). Pre-roll, mid-roll, and post-roll units mirror traditional television spot advertising, though online versions are often shorter than their TV counterparts.

Why Video Advertising matters

  • Aligns with consumer preference. Ninety-one percent of consumers want to see more online video content from brands (Oberlo).
  • Captures traffic share. Video was the largest single source of internet traffic worldwide in the first half of 2021, comprising 53.7% of total traffic (Sandvine via Amazon).
  • Drives adoption among peers. Pre-produced video was the leading digital consumer engagement tactic in a 2021 Statista survey of over 8,000 marketing leaders, with 81% currently using it and 13% planning to (Statista via Amazon).
  • Delivers proven ROI. Ninety-two percent of marketers report good ROI from their video ads (Optinmonster), and using video on a landing page has been shown to increase conversions by 86% (smallbizgenius).
  • Surpasses static formats. Display ads across all formats average a 0.05% click-through rate (Outbrain), while 69% of consumers prefer video over text when learning about a product or service (smallbizgenius).

How Video Advertising works

  1. Inventory mapping. Advertisers identify placements within video streams (pre, mid, post) or secure programmatic inventory on publisher sites via platforms like LiveRail, which Facebook acquired in July 2014 for an estimated $400 million to facilitate real-time bidding on over 7 billion video ads monthly (San Jose Sun via Wikipedia).
  2. Ad serving. Video players call ad servers when content loads, triggering linear interruptions, non-linear overlays, or companion displays per IAB specifications (IAB).
  3. Delivery. Ads are served to viewers based on auction dynamics or direct deals, appearing in broadcast websites, social feeds, mobile apps, or e-commerce platforms.
  4. Attribution. Performance is measured via impressions, completion rates, click-through rates, branded search lift, and new-to-brand purchase metrics.

Types of Video Advertising

  • Linear (Pre-roll, Mid-roll, Post-roll). Full-screen ads that interrupt or bookend video content. In 2010, video ads accounted for 12.8% of all videos viewed and 1.2% of all minutes spent viewing video online (Broadband TV News via Wikipedia).
  • Non-linear. Overlay banners or video that run concurrently with the main content without stopping playback.
  • Companion. Display ads, text, or skins that wrap around the video player.
  • Native Video. Formats like Click-to-Watch or Outstream that blend into the surrounding page design. Ninety-seven percent of survey respondents preferred Click-to-Watch formats that require opting in, compared to forced pre-roll (Outbrain-Sevanta).
  • Rewarded. In-game video ads offering virtual perks (extra lives, tools) in exchange for views.
  • Shoppable. E-commerce formats allowing direct purchase from the ad unit, such as TikTok Shopping or Instagram Shopping.
  • Sponsored Brands Video. Self-service placements within Amazon shopping results, used by brands like Oomph! Sweets and HP to drive discovery.

Best practices

  • Design for silent viewing. Sixty-seven percent of respondents cite video with sound as the most annoying advertising format (Venngage). Use captions and visual storytelling.
  • Prioritize mobile. Seventy-five percent of consumers prefer to watch short-form video on mobile devices (HubSpot). Configure ads for small screens before desktop.
  • Repurpose assets. Re-edit existing footage into short clips for multiple channels to maximize production investment.
  • Match KPIs to funnel stages. Track unique views and completion rates for awareness; click-through and new-to-brand rates for conversion.
  • Test organic formats. Start with in-house production and A/B tests on native networks to prove creative before scaling budgets.

Common mistakes

  • Mistake: Forcing audio. You will trigger negative sentiment from the majority who find sound intrusive. Fix: Produce visuals that communicate value without audio; add clear subtitles.
  • Mistake: Ignoring mobile orientation. Desktop-centric ads frustrate mobile users. Fix: Shoot and edit for vertical or square formats; ensure text is legible on small screens.
  • Mistake: Excessive length. Viewers abandon videos that overestimate attention spans. Fix: Front-load key information within the first five seconds; keep pre-roll under 15 seconds when possible.
  • Mistake: Weak calls to action. High completion rates waste budget without next steps. Fix: End with explicit instructions, such as "Search the brand name" or "Scan the QR code."
  • Mistake: Relying solely on intrusive pre-roll. Forced ads annoy users and drive lower completion than opt-in formats. Fix: Blend forced pre-roll with Click-to-Watch or other opt-in native formats.

Examples

  • Oomph! Sweets. The keto confectionery brand launched Sponsored Brands video on Amazon for a new product line and recorded a 303% month-on-month increase in branded searches. A subsequent Sponsored TV campaign achieved 1.1 million impressions and 96% new-to-brand customers within a month (Amazon).
  • HP. The tech company used Sponsored Brands video on Amazon, resulting in 224% year-over-year impression growth and 142% click growth. For printers, purchase paths including the video saw a 954% higher purchase rate and 30% higher ROAS (Amazon).
  • Dove "Reverse Selfie". The campaign depicting makeup removal in reverse garnered over 750,000 YouTube views and 870,000 Instagram views within six months, demonstrating strong organic traction (Outbrain).
  • Nespresso. The coffee brand ran native video on Outbrain to promote its Vertuo machine, achieving significantly lower cost per completion compared to YouTube benchmarks (Outbrain).

Video Advertising vs Display Advertising

Factor Video Advertising Display Advertising
Primary Goal Awareness, consideration, conversion Brand awareness, purchase intent
Engagement High motion and storytelling drive recall Static images suffer "banner blindness"
CTR Higher than display benchmarks 0.05% average across formats (Outbrain)
Consumer Preference 69% prefer video over text for learning about products (smallbizgenius) Low; considered intrusive compared to native
Intrusiveness Native formats rank as least intrusive; pre-roll can annoy High; social and display ads rank as most intrusive

Use display for low-cost, broad reach retargeting. Use video, particularly native and opt-in formats, when you need to improve brand recall, explain complex products, or drive direct response.

FAQ

What is the difference between linear and non-linear video ads? Linear ads (pre-roll, mid-roll, post-roll) interrupt the main video stream sequentially. Non-linear ads appear as overlays or banners that run concurrently without stopping the content.

How do I choose between pre-roll and native video formats? Pre-roll guarantees impressions but risks annoyance; 67% of viewers find forced sound intrusive. Native formats like Click-to-Watch require user opt-in and generate significantly higher completion rates and dwell time.

What metrics matter most for video advertising? Align metrics with funnel stages. Awareness: unique reach and completion rate. Consideration: click-through rate and cost per view. Conversion: purchase rate, new-to-brand percentage, and ROAS.

Why is mobile optimization critical? Video constituted 53.7% of global internet traffic in early 2021, and 75% of consumers prefer short-form video on mobile devices. Ads that fail to render on small screens or load slowly lose this audience.

How does programmatic buying work for video? Advertisers use automated real-time bidding systems to purchase impressions as users load pages. Facebook’s 2014 acquisition of LiveRail for approximately $400 million popularized this model for video, enabling billions of monthly ad placements via algorithmic auction.

What is the average ROI for video advertising? In recent surveys, 92% of marketers reported good ROI from video ads. Specific returns vary by industry and placement, with e-commerce brands seeing particular success using shoppable formats.

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