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33Across vs theTradeDesk

Based on 14 and 88 real audits

View 33Across details | View theTradeDesk details
Metric33AcrosstheTradeDeskWinner
Performance2930theTradeDesk
Accessibility8691theTradeDesk
Best Practices7778theTradeDesk
SEO9092theTradeDesk
Security666433Across
TTFB311ms503ms33Across
Composite7272Tie
Performance
33Across
29
theTradeDesk
30
Accessibility
33Across
86
theTradeDesk
91
Security
33Across
66
theTradeDesk
64
SEO
33Across
90
theTradeDesk
92
Composite
33Across
72
theTradeDesk
72

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

When to choose 33Across

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

When to choose theTradeDesk

Choose theTradeDesk when your primary concern is accessibility and SEO. 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 88 audited theTradeDesk 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 theTradeDesk?
Based on real BeaverCheck audits, theTradeDesk sites score higher on Lighthouse performance (30 vs 29 on average).
Which has better security, 33Across or theTradeDesk?
33Across sites score higher on security analysis (66 vs 64 on average).
Which has better accessibility, 33Across or theTradeDesk?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor theTradeDesk (91 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 theTradeDesk?
theTradeDesk sites score higher on Lighthouse SEO signals (92 vs 90 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 theTradeDesk?
33Across sites show lower Time to First Byte (311 ms vs 503 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 theTradeDesk for my website?
Both platforms have trade-offs. theTradeDesk 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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