Checklist 06 · by Deniz Aydın · updated 2026-08-14

Chrome changed the deal

In January 2026, Chrome 144 started rate-limiting the Push API for senders it scores as disruptive and revoking permissions on low-engagement lists. Publishers feel it as a sending cap; buyers feel it as inventory that is cleaner, thinner, and pickier about creative quality. Google's own line is that most sites see no impact, because the rules target high-volume low-value senders, which is a fair description of half the subscriber lists this industry monetized in 2024. Eight checks below: the mechanics first, then the buyer's response.

01

Know the enforcement mechanics cold

Since January 2026 (Chrome 144/145), sites Chrome scores as disruptive get Push API rate limits: sending capped at no less than 1,000 messages a minute, with limitation periods escalating from 1 day to 7 to 14 on repeat offenses, and a 42-consecutive-clean-day requirement to reset the counter to zero.

02

Understand what 'disruptive' measures

Chrome scores messages sent relative to time users actually spend on the site, permission prompts shown relative to session length, and foreground engagement with the content. It is a ratio of attention earned to notifications sent, which is precisely the ratio a media buyer should already care about.

03

Expect automatic permission revocation on junk lists

Chrome now revokes notification permission for sites that send high volumes with near-zero engagement. For buyers this means subscriber lists shrink toward the users who actually engage, so cheap mega-lists decay faster and engagement-priced inventory holds value.

04

Ask your networks the enforcement question

Before funding an account, ask how the network's publisher base weathered the January rollout: what share of their classic-push inventory sends within the engagement thresholds. A network that cannot answer is selling you last year's list quality at this year's prices.

05

Shift the mix toward in-page where lists decayed

In-page push renders on the page and never touches the Push API, so Chrome's rate limits do not apply to it and iOS becomes reachable. Our VPN account ended at 70% in-page with install cost down from $1.40 to $0.86; expect that pattern to repeat wherever subscriber lists thinned.

06

Brief creatives for engagement per impression

Honest hooks, no counterfeit system dialogs, no fake urgency dressed as an OS alert. Post-enforcement, a creative that tricks a click also trains the list Chrome is grading, so deceptive styling now costs twice: once at network review, once in inventory quality.

07

Watch frequency caps like a landlord

Publisher-side over-sending is what triggers the limits, and buyer-side frequency is part of the same attention budget. Capping at 1 to 2 impressions per user per day was good practice in 2024; in 2026 it is respect for a shared resource your campaigns depend on.

08

Track list freshness as a buying signal

Where networks expose subscription age, weight bids toward fresher cohorts. Post-January lists skew toward users who opted in under stricter prompts and survived revocation, which is a quiet quality filter the price does not always reflect yet.

The strategic read

Enforcement rewards exactly what good buying already required: earned attention, honest creative, capped frequency. Our creative brief bakes the honesty boundary in, and the format math in the VPN receipt shows what shifting to in-page looks like when a classic list decays. If your list quality questions have no answers yet, that is a fine agenda for a strategy call.