Open web, programmatic and publishers
Blog
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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