ArcSpan vs Mediavine

ArcSpan Integrates With OpenX and Magnite to Bring Publisher First-Party Audiences Directly Into Programmatic Demand

ArcSpan announces new integrations with OpenX and Magnite, enabling publishers to monetize first-party audiences across programmatic demand, display, video, and CTV. Also added a case study with LADbible Group showing 30%-200% larger audience cohorts and 5x faster GAM.

ArcSpan Integrates First-id to Turn Persistent Cookieless Identity Into Addressable Revenue for Publishers

ArcSpan announces integration of First-id, enabling publishers to convert persistent cookieless identity into addressable revenue. The announcement appears as the latest news item on ArcSpan's blog.

ArcSpan Integrates First-id for Persistent Cookieless Publisher Identity

ArcSpan, an AI-powered audience monetization platform for premium publishers, announced a native integration with First-id, a persistent, deterministic identity solution adopted by over 35,000 media and advertiser sites across 101 countries. This integration allows publishers using First-id to resolve audience signals within ArcSpan AMS without custom integrations. Publishers can build, analyze, and activate first-party audiences across direct, programmatic, and data collaboration channels. The combined solution addresses the challenge of fragmented user identities by providing a persistent identifier that works without third-party cookies or logins, enabling improved audience continuity, deduplicated reach, and enhanced monetization opportunities. The integration is live and available to existing customers, supporting ArcSpan's expansion across EMEA.

• ArcSpan announced a native integration with First-id on September 21, 2026.
• First-id is a persistent, deterministic identity solution adopted by more than 35,000 media and advertiser sites in 101 countries.
• The integration enables publishers to resolve audience signals against the First-id identifier within ArcSpan AMS.

Publishers Score Google's Ad Tech Remedies 5/10

Publishers and sell-side executives have given a mixed scorecard, averaging 5/10, to the remedies proposed in the DOJ's antitrust case against Google's ad tech dominance. They acknowledge progress in opening AdX to rival ad servers and banning first-look advantages, but express skepticism about practical impact and enforcement. The opening of AdX to non-Google ad servers received the highest average score (6/10), seen as a potential shift, though caveats remain about Google's own demand participation. Other remedies, like data portability and unbundling AdX/DFP, scored lower, seen as transparency or billing changes rather than true competitive resets. Concerns persist about the hollowed-out alternative ad server market and risks for publishers switching stacks. Executives like Amit Grover and Eric Hochberger highlight both potential benefits and caveats, noting that many practices Google already changed. The remedies are seen as steps forward but far from a complete win for publisher competition and revenue.

• Seven publisher revenue and sell-side executives rated Google's ad tech remedies, assigning an average total score of 5/10.
• The remedy to open AdX bidding to rival ad servers received the highest average score of 6/10, requiring Google to allow real-time AdX bidding on non-Google ad servers.
• A ban on Google's 'first look' and 'last look' auction advantages scored 6/10, though Google claims it already stopped these practices in 2019.

Google Launches Ad Detection Tool for Chrome Ad Load Assessment

Google has introduced four experimental metrics within the Chrome User Experience Report (CrUX) to quantify ad overload and its impact on user experience: ad count, ad density, ad weight by network usage, and ad weight by CPU usage. These metrics offer objective data on the number of ads in the viewport, screen coverage, bandwidth, and processing power, aiding advertisers and publishers in better evaluating ad opportunities and making informed product decisions. The metrics are accessible via the CrUX API, CrUX History API, and CrUX Vis, with future availability on CrUX BigQuery. No benchmarks or thresholds are set, and Google seeks community feedback through a Google Group. Independent ad platforms, including DV360 and Google Ads, will receive equal data access with Google's own ad businesses, ensuring no preferential treatment. Announced by Chrome developer advocates Barry Pollard and Alex Cone, the initiative has support from WPP, The Guardian, Mediavine, Index Exchange, and Adelaide. This move coincides with Google's antitrust challenges and the impact of AI Overviews on publisher traffic.

• Google added four experimental metrics to CrUX: ad count, ad density, ad weight by network usage, and ad weight by CPU usage.
• The metrics are experimental and no benchmarks or thresholds are set; Google is collecting community input through a Google Group.
• Independent ad platforms, including DV360 and Google Ads, will have equal data access with Google's own ad businesses.

AI Agents Unlock Publisher First‑Party Data Monetization

Publisher-focused AI agents are being used in-market to automate audience curation and monetize first-party data. PubMatic and Optable are collaborating to integrate Optable’s sell-side audience agent with PubMatic’s buy-side agent via PubMatic’s AgenticOS framework, enabling end-to-end agentic programmatic workflows. Agentic solutions have moved beyond direct-sold deals into curated programmatic private marketplace (PMP) campaigns; PubMatic has completed more than 1,000 agentic direct deals and has run roughly 30 agentic programmatic campaigns, with the Optable integration powering about half of those. Publishers and ad networks (e.g., Mediavine, Livewire) say agentic curation can surface previously untapped first-party audiences at scale, improve discoverability without large sales teams, and attract incremental demand from buyers and agencies testing agentic AI activation paths.

• PubMatic and Optable are collaborating to integrate Optable’s sell-side agent with PubMatic’s buyer agent via PubMatic’s AgenticOS framework.
• PubMatic has completed more than 1,000 agentic direct-sold deals.
• Approximately 30 agentic programmatic campaigns have run through PubMatic’s platform so far; the Optable integration powered roughly half of them.