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Blog

Blog, Prebid Pulse

Google’s Cookie Reversal: Five Years of Chaos, For What?

May 7, 2025

Written By: Ratko Vidakovic AdProfs / Founder Ratko is best known as the founder of AdProfs, an independent research and analyst firm focused on the ad tech industry. His newsletter, …

Blog

News

Blog, Prebid Pulse

Google’s Cookie Reversal: Five Years of Chaos, For What?

Written By: Ratko Vidakovic AdProfs / Founder Ratko is best known as the founder of AdProfs, an independent research and analyst firm focused on the ad tech industry. His newsletter, …

Blog, Prebid Pulse

Untangling Google’s Anticompetitive Tying: What the Ad Tech Ruling Means for Rivals in the Digital Advertising Market 

Written by: Joshua Koran 1. What just happened?  On April 17, 2025, U.S. District Judge Leonie Brinkema found “that Google has willfully engaged in a series of anticompetitive acts to …

Blog, Webinar Recapsevent, webinar

Webinar Recap – How in-app bidding is transforming —and what’s new in Prebid SDK 3.0

Missed the live webinar, watch it here! On April 23rd, the Prebid community gathered for an exciting webinar focused on one of 2024’s top priorities — mobile monetization. With the …

Blog, Prebid Pulse

A New Chapter for the Open Internet- Change is in the Air: A call to arms

Digital ad spend in North America is expected to reach $374 billion in 2025 and is projected to exceed half a trillion dollars by 2029. At the same time, US …

Blog, Prebid Pulse

Prebid Pulse – Week of 4/2/2025

Article link: £13.6bn publisher adtech claim versus Google takes step forward Description: A £13.6bn legal claim against Google for allegedly rigging the online advertising market has been allowed to proceed …

Blog, Prebid Pulse

Prebid Pulse – Week of 3/24/2025

Article link: Google March 2025 core update rolling out now Description: Google has released its first core update of 2025, the March 2025 core update, which will take up to …

Blog, Webinar Recapsevent, webinar

Prebid’s ASTEROID Webinar Recap

On February 19th, 2025, Prebid hosted a webinar titled “ASTEROID: Advanced System for Testing, Experimentation, Research, Optimization of Identity Data,” providing valuable insights into identity-based signal optimization and system efficacy …

Blog, Prebid Pulse

Prebid Pulse – Week of 1/27/2025

Article link: 2025’s Top 5 Media Publisher Trends: The New Era of Product-minded Publishers – AdMonsters Description: This article explores five key trends reshaping media publishing in 2025: video content …

Blog, Prebid Pulse

Prebid Pulse – Week of 1/21/2025

T‑Mobile to Acquire Vistar Media, Fueling Better Ad Experiences for Consumers and More Effective Products for Advertisers T-Mobile has announced plans to acquire Vistar Media, a leader in digital-out-of-home (DOOH) …

Blog

Prebid 2024 Year in Review: A Year of Progress and Impact

2024 was a pivotal year for Prebid, marked by technical advancements, expanded capabilities, and growing industry influence. Maintaining and enhancing a community of this scale is no small feat. It …

Webinar Recaps

Webinar Recap: Prebid End of Year Recap & 2025 Preview

In a webinar held on January 14, 2025, Prebid‘s President Mike Racic and Chairman Garrett McGrath, outlined the organization’s achievements in 2024 and set forth a bold vision for 2025. …

BlogMembers Only

Why It’s Time for Publishers to Embrace SaaS Solutions in AdTech

According to recent ANA research, publishers receive an average of just 36 cents for every dollar that enters DSPs and SSPs. This disparity highlights a critical issue within the digital …

Blog

Muki’s AdTech Diary – November

AI is not a silver bullet Like a lot of other nerds I know, I like playing games – video games, card games, board games, and sports games. I’m lucky …

BlogMembers Only

Prebid Summit 2024: Individual Session Takeaways

The annual Prebid Summit brought together industry leaders, innovators, and stakeholders to discuss the evolving landscape of digital advertising. With a diverse range of sessions covering topics from the future …

BlogMembers Only

Supporting cookies with alternatives: Google Privacy Sandbox [3/3]

We continue our series of blog posts reviewing a complex approach to alternatives to third-party cookie targeting. Initially, Privacy Sandbox intended to enhance privacy protection for Chrome users by deprecating …

BlogMembers Only

Preparing For a Post-Google World in AdTech

In January of 2020, Google made the announcement that it would be fully deprecating third-party cookies in Chrome by 2022. That announcement was followed by multiple delays over the last …

Blog

A Publisher Discussion on Flooring Strategies

In preparation for a panel at the Prebid Summit on October 15, 2024, I asked our speakers to add notes to a prep document so I could direct my questions …

Blog

Muki’s AdTech Diary – October

A Do you have a test page? Q4 is ramping up, and so are the number of broken campaigns and creatives. “This should have been live last week” is the …

Blog

Prebid Summit 2024 Recap

Prebid Summit Recap – Shaping the Future of the Open Web The annual Prebid Summit has become a pivotal gathering for industry leaders, technologists, and publishers. The event reinforced the …

BlogMembers Only

Prebid Summit: Future-Proofing the Open Web

After a full day at the Prebid Summit, industry leaders sparked rich discussions about the challenges we face, the new ideas emerging, and the opportunities ahead. It was a productive day …

BlogMembers Only

The Future of Identity: Why Google’s Next Move Isn’t As Mission-Critical as Independent AdTech’s

Beyond the Sandbox: How Digital Advertising Can Recoup Signal Loss in a Privacy-by-Default Internet After many delays, Google has ultimately nixed its plan to phase-out third-party cookies. This would seem …

Blog

What to Expect at Prebid Summit 2024

Since its inception in 2017, Prebid has evolved significantly, expanding from a single .js product to a diverse suite of 12 offerings that cover every corner of programmatic advertising. Meanwhile, …

BlogMembers Only

MFA Websites: 5 Ways They Fuel the Misinformation Ecosystem

With the newly released Google AI Overviews, misinformation on the internet seems to be at an all time high. Fueled by the unchecked proliferation of AI generated content, misinformation has …

BlogMembers Only

How Publishers Can Become More Efficient and Sustainable Without Reducing Revenue

Unlike the early days of digital advertising’s sustainability offerings, publishers no longer need to feel excluded from industry sustainability efforts. In today’s landscape, publishers have a variety of tools and …

Blog

Muki’s AdTech Diary – September

AMP was a good concept for the wrong problem Accelerated Mobile Pages, or short AMP, are standard, mainly developed by Google. The idea to reduce features and flexibility in order …

Blog, Webinar Recaps

Prebid DOOH Webinar Recap

On September 12th, Prebid hosted the ‘Prebid Digital Out-of-Home’ webinar to introduce the newest addition to our product lineup: Prebid DOOH. After almost 2 years of development, Prebid DOOH is …

Blog, Prebid Pulse

Prebid Pulse – Week of 9/16/24

Unraveling The Mystery Of PubMatic’s $5 Million Loss From A “First-Price Auction Switch” PubMatic revised its 2024 revenue projections, citing a $5 million shortfall due to Google DV360 shifting to …

BlogMembers Only

Death of the Cookie, Exploring Alternatives: IDs, SDA, 1P data [2/3]

We continue the series of blog posts on alternatives to third-party cookies. This article is about a targeting method that has been around for a long time but was reborn …

Blog, Prebid Pulse

Prebid Pulse – Week of 9/9/24

Exclusive: Aditude Acquires Hashtag Labs Aditude has acquired Hashtag Labs, merging two ad tech firms that support publisher monetization. The deal, which closed on August 16, reflects publishers’ need for …

Blog

Muki’s AdTech Diary – August

Ad Tech relationships status: complicated I believe advertising is necessary for any business, it works and it is a valid monetization strategy for a publisher. After that, it gets complicated. …

Blog, Prebid Pulse

Prebid Pulse – Week of 9/2/24

 Don’t Sleep On Maryland’s Strict New Data Privacy Law Since 2018, 19 US states, including Maryland, have enacted comprehensive data privacy laws. Maryland’s Online Data Privacy Act (MODPA), effective October …

BlogMembers Only

Death of the Cookie, Exploring Alternatives: IDs, SDA, 1P data [1/3]

In this series of blog posts, we will disclose the full-functional programmatic strategy for operating in a cookieless environment. Due to the latest news, this issue is no longer so …

Blog, Prebid Pulse

Prebid Pulse – Week of 8/26/24

How Sell-Side Curation Is Reshaping The Post-Cookie Supply Chain As third-party cookies phase out, sell-side curation is emerging as a key trend in ad tech. SSPs are now leveraging their …

Blog

Where User Privacy Controls Meet An Evolving Advertising Landscape

As digital advertising faces a sea change due to heightened privacy concerns and regulations, explore how privacy-centric strategies are reshaping the industry. Discover how advertisers and publishers are adapting to …

Blog, Prebid Pulse

Prebid Pulse – Week of 8/19/24

SSPs Shake Up Fee Structures for Publishers, Offering Differentiated Access Magnite and PubMatic, two major supply-side platforms (SSPs), are introducing new fees for publishers participating in programs like auction packages …

Blog, Prebid Pulse

Prebid Pulse – Week of 8/12/24

What’s next for Google after federal judge’s monopolization ruling? A federal judge ruled that Google monopolized search through illegal deals, raising questions about potential consequences, including business overhauls or even …

NewsMembers Only

Letter to the CMA – July 2024

Blog, Prebid Pulse

Prebid Pulse – Week of 8/5/24

Outbrain confirms Teads purchase in a $1 billion deal Outbrain has confirmed its acquisition of Teads for just over $1 billion, marking a significant merger in ad tech. The deal …

Blog

Muki’s AdTech Diary – July

Muki Seiler, chairman of the Prebid Documentation Committee, offers practical advice for vetting ad tech vendors, emphasizing the importance of clear change indicators in UIs, comprehensive documentation, individual user accounts, …

Blog

Stabbing in the Dark: Why Third-Party Cookies Can’t Save You in an Untargetable Ad Market

While Google’s recent decision regarding third-party cookies might seem like a reprieve for publishers, the reality is more nuanced. Google’s recent announcement might actually be the final nail in the …

BlogMembers Only

Cannes Recap: Is AdTech Still Fun?

Ratko Vidakovic reflects on why some industry veterans feel ad tech isn’t as fun as it used to be, attributing it to economic challenges, regulatory pressures, and ongoing issues in …

Blog

The Future of Targeted Advertising: Overcoming the Addressability Gap

Reaching the right audience with targeted marketing messages has become a major hurdle for brands navigating the digital landscape. Gone are the days of relying solely on third-party cookies to …

Blog

From Cookies to Contextual: Pioneering New Pathways in Digital Advertising

The digital ad industry is moving away from cookies to AI-powered contextual targeting, focusing on content relevance instead of personal data. This shift enables privacy-compliant, scalable ad solutions while enhancing …

Blog

The Intersection of Identity and Innovation in the Connected TV Advertising Revolution

Arjun explores the transformative impact of Connected TV (CTV) on the advertising landscape, highlighting its rapid growth compared to linear TV, the evolution of identity solutions, and the role of …

Blog

Optimizing Ad Campaign Performance Toward Viewability

Optimizing ad campaign performance hinges on maximizing viewability, a key metric that measures whether ads are actually seen by users. Explore the challenges for both advertisers and publishers in achieving …

Blog

Insights into cookieless Chrome audience – Time of rebuilding

As third-party cookies phase out, digital advertising faces a 50% drop in monetization efficiency, with independent SSPs and DSPs struggling. Despite challenges, adaptation is crucial, and Relevant Digital is ready …

Blog

2023 Prebid Summit Wrap Up

Author: Adapex The inaugural summit was all about teamwork, using data smartly, getting real results, and building trust in advertising. Here’s the lowdown on what we learned: Publishers need to …

Blog, Prebid Pulse

Prebid Pulse – Week Of 8/28/23

The name of the game continues to be industry clean up and accountability.  GroupM is removing MFAs from its inclusion lists  GroupM, has taken a proactive step in standardizing the …

Blog

Campaign Optimizations Drive Publisher Revenue and Advertiser Success

Discover how campaign optimizations can drive revenue and success for both publishers and advertisers. By leveraging real-time data and targeted strategies, publishers can enhance ad performance, increase CPMs, and build …

News

The Release Of Prebid 7.0

We’re extremely excited to announce we have released Prebid 7!  Prebid.js 7, like other major versions, is a collection of “breaking” changes where the publisher and module maintainers should check …

NewsMembers Only

The Release Of Professor Prebid

Today Prebid announced the release of Professor Prebid, an open source Chrome browser extension which allows for easy debugging and troubleshooting on publisher websites using Prebid.js and streamlines header bidding …

News

Prebid Welcome’s New President

Prebid.org, today announced that Mike Racic has joined as the President of the organization. Mike is joining from Fandom, where he managed the direct Global Programmatic and Data business. As …

News

Welcoming Our Newest Board Members

Today we’re pleased to welcome Linda Payson, Vice President of Product at MediaVine, and Stephanie Layser, Vice President of Data, Identity and Ad Tech Products & Platforms at News Corp …

News

Prebid 6.0 Release

It is our pleasure to announce the upcoming release of Prebid 6.0.  Prebid 6.0 is an exciting release for Prebid.js — it will remove IE11 browser test requirements from the …

Blog

Meet The Current Prebid Officers

With lot’s of recent changes and activity within Prebid.org, we wanted to make sure the community was updated with the current Prebid.org personnel. President: Tom Levesque recently left his role …

News

Prebid 5.0 Release

We’re excited to announce the release of Prebid 5.0! This milestone is all about improving information in the bid stream. We’ve recently incorporated the work of the taxonomy working group …

News

Prebid.org Hits 100+ Members!

Prebid.org has hit the 100 member milestone! Within the last four years, the organization has seen tremendous growth and adoption, 154% increase in membership in the last year alone to be …

News

InMobi Joins Prebid.org

InMobi Joins Prebid Bringing Deep In-App Expertise to Accelerate Collaborative Mobile Initiatives.  As a firmly established in-app leader in the industry, InMobi will impart strategic counsel and engineering resources to key …

News

Prebid February Newsletter

Be sure to check out our February Newsletter as we look ahead at 2021 and discuss what’s new at Prebid.org. Prebid February Newsletter

News

Prebid December Newsletter

Be sure to check out our December Newsletter as we look back at 2020 and some of the major milestones that the Prebid community has accomplished. Prebid December Newsletter

News

Prebid.js Real-Time Data Infrastructure is Out of Beta!

The Prebid community is proud to announce that the Prebid.js Real-Time Data infrastructure is out of beta. This infrastructure allows vendors to build modules that connect a data source in …

News

Prebid Launches Publisher-Controlled Universal Identifier

Prebid.org today announced the general availability of a community-owned, open source identifier that includes both first- and third-party components. SharedID links Epsilon’s industry-leading, first-party PubCommon ID with the sharedid.org third-party ID to provide …

News

Prebid October Newsletter

Check out the first ever Prebid Newsletter!  If you wish to receive newsletters via email, you can sign up to receive updates on the Prebid website. Prebid October Newsletter

Blog

Questions & Answers from our ‘How to Make Prebid the Supply Path Buyers Choose’ Webinar

We had some great questions asked during our August 27th, 2020 Webinar on ‘How to Make Prebid the Supply Path Buyers Choose’.  Special thanks to our amazing panelists for providing …

News

Prebid.org Celebrates 3 Years!

In just three years, Prebid.org has seen tremendous growth in user adoption, membership and product scope.  We are proud to share milestones such as reaching over 20,000 live implementations, 650 …

News

Prebid.org welcomes Havas Media Group

Havas Media Group announces today that it has joined Prebid.org as a Buyer member. It becomes the first media agency to step into the organization, adding a fresh perspective. This …

News

Prebid.js Release 4.0

We’re excited to announce the release of Prebid.js 4.0! Version 4.0 includes some important updates related to TCF 2.0 and a number of housekeeping items. You can find a bulleted …

Blog

Questions & Answers from Product Roadmap Webinar

We had some great questions asked during our June 2nd, 2020 Webinar.  Answers can be found below! Is there a plan to integrate OMSDK with prebid SDK? If so, what …

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