Based on 1 and 62 real audits
| Metric | ArcGIS API for JavaScript | Marketo | Winner |
|---|---|---|---|
| Performance | 51 | 29 | ArcGIS API for JavaScript |
| Accessibility | 97 | 89 | ArcGIS API for JavaScript |
| Best Practices | 73 | 79 | Marketo |
| SEO | 100 | 91 | ArcGIS API for JavaScript |
| Security | 64 | 66 | Marketo |
| TTFB | 813ms | 370ms | Marketo |
| Composite | 72 | 72 | Tie |
ArcGIS API for JavaScript and Marketo are closely matched, each leading in different categories. ArcGIS API for JavaScript has a composite score of 72 while Marketo scores 72.
Choose ArcGIS API for JavaScript when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Marketo when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1 audited ArcGIS API for JavaScript sites and 62 audited Marketo 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 →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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