vital-scans open quality ledger

www.cms.gov: third parties

Third-party origins serving resources to www.cms.gov across the 2039 page(s) measured in 2026-W29. 13 distinct third-party domains, 11 of them serving JavaScript (JS). Costs are medians per page the vendor appears on. · Download CSV

Third-party JavaScript is easy to add and often reduces accessibility and performance — it injects DOM the site owner never reviewed and adds load time. "Pages w/ finding" is the share of pages carrying this vendor that also had an accessibility finding: an association to investigate, not proof the vendor caused it. Third parties vary per page, so a vendor on few pages may simply not have been sampled elsewhere.

Third-party vendors on www.cms.gov, 2026-W29 — sortable.
Vendor (registrable domain) Pages Median bytes Median requests Median load Pages w/ finding
qualtrics.com JS 1358 834 KB 16 635 ms 54%
googletagmanager.com JS 1358 152 KB 1 2 ms 54%
digitalgov.gov JS 1358 30 KB 1 1 ms 54%
tiqcdn.com JS 1358 21 KB 4 9 ms 54%
adoberesources.net JS 1358 20 KB 1 1 ms 54%
youtube.com JS 1358 10 KB 2 39 ms 54%
gstatic.com JS 612 1.6 MB 9 6 ms 71%
google.com JS 612 41 KB 4 386 ms 71%
google-analytics.com 284 0 KB 1 20 ms 96%
demdex.net 13 1 KB 1 74 ms 31%
datatables.net JS 6 114 KB 3 152 ms 50%
mapbox.com new JS 3 2.7 MB 81 1181 ms 100%
unpkg.com new JS 1 561 KB 4 267 ms 100%