Reorganizing a webpage's structure or strengthening its argumentation beats adding evidence or changing wording, for AI-election-answer visibility, in VoteGEO-Bench (Zhang & Xiao 2026)

GEOgenerative-engine-optimizationelectionsLLMinformation-retrievalarxiv

VoteGEO-Bench sorts 11 webpage-rewriting strategies for generative engine optimization (GEO) into four categories: Structure (reorganizing a page's layout or presentation), Evidence (adding quotations, statistics, or source attributions), Style (rewording without adding content), and two Argumentation strategies the authors introduce specifically for voting contexts (emphasizing a position's distinctions from alternatives, or rebutting opposing arguments). Tested across both the U.S. and Japanese election settings and multiple generative engines, Structure strategies produced a significant positive exposure gain in all 9 tested engine-and-metric settings, and Argumentation in 7 of 9, versus 6 of 9 for Evidence and only 2 of 9 for Style. Ranking all 11 individual strategies head-to-head across 18 engine/election/metric combinations, one Structure strategy (Content Improvement) and one Argumentation strategy (Comparative Distinction) finished with the best mean ranks (2.61 and 2.67) and the most Top-3 finishes (13 and 14 of 18, respectively).

The paper's own robustness pass thins these counts without reordering them: clustering standard errors by base query and applying a Benjamini–Hochberg correction at a 5% false-discovery rate leaves 22 of 48 category–election-group–metric comparisons significant against 31 before correction, while "the SOV ordering Structure ≥ Argumentation > Evidence > Style remains unchanged in the U.S. and all three Japanese tiers."

The ordering — Structure and Argumentation ahead of Evidence and Style — runs counter to the older GEO framework's emphasis (per Aggarwal et al., KDD 2024) on adding citations, statistics, and authoritative language; in the electoral setting, reshaping how a page is organized or argued outperforms adding more supporting material to it.