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33Across vs AdRoll

Based on 14 and 22 real audits

View 33Across details | View AdRoll details
Metric33AcrossAdRollWinner
Performance292833Across
Accessibility8688AdRoll
Best Practices777433Across
SEO908533Across
Security6666Tie
TTFB311ms449ms33Across
Composite7272Tie
Performance
33Across
29
AdRoll
28
Accessibility
33Across
86
AdRoll
88
Security
33Across
66
AdRoll
66
SEO
33Across
90
AdRoll
85
Composite
33Across
72
AdRoll
72

33Across outperforms AdRoll in 4 of 7 categories, with a stronger composite score (72 vs 72). AdRoll leads in accessibility.

When to choose 33Across

Choose 33Across when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose AdRoll

Choose AdRoll when your primary concern is accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 14 audited 33Across sites and 22 audited AdRoll sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, 33Across or AdRoll?
Based on real BeaverCheck audits, 33Across sites score higher on Lighthouse performance (29 vs 28 on average).
Which has better security, 33Across or AdRoll?
33Across sites score higher on security analysis (66 vs 66 on average).
Which has better accessibility, 33Across or AdRoll?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor AdRoll (88 vs 86). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, 33Across or AdRoll?
33Across sites score higher on Lighthouse SEO signals (90 vs 85 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), 33Across or AdRoll?
33Across sites show lower Time to First Byte (311 ms vs 449 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose 33Across or AdRoll for my website?
Both platforms have trade-offs. 33Across scores higher on overall composite score while 33Across may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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