← 研踪 PaperTrailarXiv:2611.01211 · v1
A Large-Scale Evaluation of Cookie Notice Privacy and Accessibility for Blind and Low Vision Users
首次提交 2026-11-01 03:12
版本更新 2026-11-01 03:12
雷达观测 2026-11-04 23:44
摘要
We present the first large-scale privacy and accessibility evaluation of cookie notices across 2,061 domains for blind and low vision (BLV) users. Using a Playwright-based crawler, a custom NVDA screen reader add-on, and the Lighthouse and WAVE accessibility tools, we measure UK GDPR/PECR compliance, tracker activity across pre-interaction, post-accept, and post-reject phases, and cookie notice accessibility for screen reader users. We find that 51 % of sites display a cookie notice, of which (at least) 50 % violate UK GDPR/PECR requirements. Accepting a notice produces a mean five-fold increase in tracker activity, and degrades page landmark structure on one in five sites. While 95 % of notices are readable by a screen reader, only 37 % carry a meaningful title, 39 % are announced immediately on page load, and 42 % use descriptive button labels. We reveal a systemic correlation: cookie notices failing legal privacy requirements disproportionately exhibit the weakest screen reader accessibility. This compounding privacy burden on BLV users demands urgent intervention from developers, regulators, and standards bodies.
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v1 · 2026-11-01 03:12 · 最新观测版本
A Large-Scale Evaluation of Cookie Notice Privacy and Accessibility for Blind and Low Vision Users
We present the first large-scale privacy and accessibility evaluation of cookie notices across 2,061 domains for blind and low vision (BLV) users. Using a Playwright-based crawler, a custom NVDA screen reader add-on, and the Lighthouse and WAVE accessibility tools, we measure UK GDPR/PECR compliance, tracker activity across pre-interaction, post-accept, and post-reject phases, and cookie notice accessibility for screen reader users. We find that 51 % of sites display a cookie notice, of which (at least) 50 % violate UK GDPR/PECR requirements. Accepting a notice produces a mean five-fold increase in tracker activity, and degrades page landmark structure on one in five sites. While 95 % of notices are readable by a screen reader, only 37 % carry a meaningful title, 39 % are announced immediately on page load, and 42 % use descriptive button labels. We reveal a systemic correlation: cookie notices failing legal privacy requirements disproportionately exhibit the weakest screen reader accessibility. This compounding privacy burden on BLV users demands urgent intervention from developers, regulators, and standards bodies.
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