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ArcGIS API for JavaScript vs dc.js

Based on 1 and 71 real audits

View ArcGIS API for JavaScript details | View dc.js details
MetricArcGIS API for JavaScriptdc.jsWinner
Performance5137ArcGIS API for JavaScript
Accessibility9788ArcGIS API for JavaScript
Best Practices7387dc.js
SEO10093ArcGIS API for JavaScript
Security6467dc.js
TTFB813ms397msdc.js
Composite7274dc.js
Performance
ArcGIS API for JavaScript
51
dc.js
37
Accessibility
ArcGIS API for JavaScript
97
dc.js
88
Security
ArcGIS API for JavaScript
64
dc.js
67
SEO
ArcGIS API for JavaScript
100
dc.js
93
Composite
ArcGIS API for JavaScript
72
dc.js
74

dc.js outperforms ArcGIS API for JavaScript in 4 of 7 categories, with a stronger composite score (74 vs 72). ArcGIS API for JavaScript leads in performance, accessibility, SEO.

When to choose ArcGIS API for JavaScript

Choose ArcGIS API for JavaScript when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose dc.js

Choose dc.js when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1 audited ArcGIS API for JavaScript sites and 71 audited dc.js 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.

FAQ

Which is faster, ArcGIS API for JavaScript or dc.js?
Based on real BeaverCheck audits, ArcGIS API for JavaScript sites score higher on Lighthouse performance (51 vs 37 on average).
Which has better security, ArcGIS API for JavaScript or dc.js?
dc.js sites score higher on security analysis (67 vs 64 on average).
Which has better accessibility, ArcGIS API for JavaScript or dc.js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor ArcGIS API for JavaScript (97 vs 88). 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, ArcGIS API for JavaScript or dc.js?
ArcGIS API for JavaScript sites score higher on Lighthouse SEO signals (100 vs 93 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), ArcGIS API for JavaScript or dc.js?
dc.js sites show lower Time to First Byte (397 ms vs 813 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 ArcGIS API for JavaScript or dc.js for my website?
Both platforms have trade-offs. ArcGIS API for JavaScript scores higher on overall composite score while ArcGIS API for JavaScript 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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