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33Across vs AdThrive

Based on 14 and 16 real audits

View 33Across details | View AdThrive details
Metric33AcrossAdThriveWinner
Performance2941AdThrive
Accessibility8687AdThrive
Best Practices7777Tie
SEO9092AdThrive
Security666333Across
TTFB311ms265msAdThrive
Composite7272Tie
Performance
33Across
29
AdThrive
41
Accessibility
33Across
86
AdThrive
87
Security
33Across
66
AdThrive
63
SEO
33Across
90
AdThrive
92
Composite
33Across
72
AdThrive
72

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

When to choose 33Across

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

When to choose AdThrive

Choose AdThrive when your primary concern is server response time and performance. 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 16 audited AdThrive 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 AdThrive?
Based on real BeaverCheck audits, AdThrive sites score higher on Lighthouse performance (41 vs 29 on average).
Which has better security, 33Across or AdThrive?
33Across sites score higher on security analysis (66 vs 63 on average).
Which has better accessibility, 33Across or AdThrive?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor AdThrive (87 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 AdThrive?
AdThrive 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 AdThrive?
AdThrive sites show lower Time to First Byte (265 ms vs 311 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 AdThrive for my website?
Both platforms have trade-offs. AdThrive 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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