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Open web, programmatic and publishers

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Short reads on the market we operate: rules, metrics and where the money is going on the open web.

Market The search decline is not the same for everyone: 60% for small, 22% for large Chartbeat data, December 2024 to December 2025. The smaller the site, the bigger the loss. Read article Compliance The judge rejected the AdX sale. The supply path woke up unchanged On 2 September all three structural remedies fell. The behavioural ones stayed, and their text was sealed for 14 days. Read article Market ChatGPT starts selling ads in Brazil and Mexico The first two Portuguese and Spanish markets went live on 17 August. Every published figure is from the United States. Read article Compliance The market's recipe against falling CPMs, and what it leaves out Curation, PMPs, user registration and ARPU. According to Programmatic Spain, which publishes no figure at all. Read article Market MiQ buys Adsmovil's Latin American business Consolidation on the buy side, across 12 markets. The figures come from the company's own release, and should be read that way. Read article Compliance Google keeps AdX and Ad Manager together. What changes for a publisher The judge refused to break up Google's ad tech. The remedies are behavioral: auction rules and data access. Here is what to expect on your report. Read article Market Publishers are cutting their dependence on traffic. The numbers behind the move Sessions down, search referrals down, AI crawlers up. Programmatic Spain gathers what large publishers are doing about it, and what a smaller site can copy. Read article Technology Prebid changes its chair and looks for a president. Why it matters for the open web OpenX's CTO now chairs Prebid's board. Priorities: product, transparency, AI agents and keeping media viable. And a note on PubMatic leaving the web wrapper business. Read article Market Taboola takes NBC News' programmatic display, exclusively. What to check before signing something similar A native partner becoming the only door to a publisher's display inventory. The deal is legitimate. The clause is the thing to read twice. Read article Market Six UK publishers built a curation alliance. What Atria says about where premium inventory is going Hearst, Bauer, Immediate, Future, HELLO! and Time Out sell curated inventory through single deal IDs. Curation is moving to the sell side, and that is good news for publishers. Read article Performance Core Web Vitals: why your monetizer affects your SEO LCP, CLS and INP measure the reader's real experience, and badly implemented advertising is a top cause of red scores. Read article Market Where to follow the programmatic market in Latin America IAB Brasil, IAB Argentina and Google's reports: the sources worth your time and how to read them as a publisher. Read article Market RPM, CPM, eCPM: getting everyone on the same ruler Half of all monetization arguments are people comparing different units. The ruler that settles it: revenue per 1,000 pageviews. Read article Compliance ads.txt and sellers.json: who's allowed to sell your inventory Two public files define who has the right to sell your placements, and who is profiting from them without you knowing. Read article Performance Viewability: what the advertiser actually buys 50% of pixels for 1 second. That is the ruler separating served impressions from seen impressions, and formats that pay from formats that only fill pages. Read article Compliance Invalid traffic: what GIVT and SIVT actually are Not all traffic counts. Understanding the two IVT classes is what separates an honest report from a loose number. Read article Performance Lazy loading ads: speed and revenue on the same side Loading the ad at the right moment improves Core Web Vitals and viewability at once. It is the rare tweak with no trade-off. Read article Market After the cookie: why context is worth money again Between Google's delays and regulatory pressure, one thing became clear: contextual signals and the site's own data are worth more and more. Read article