Tech stack changes this week

First-party time-series data: which websites added, removed, or upgraded technologies in the past 7 days. Sourced from continuous DetectZeStack scans — not surveys, not estimates.

Window: last 7 days · RSS feed · Updated daily as new scans land

📰 Editorial issue: Issue #1 — jQuery Is Still Spreading: 38 New Adoptions This Week

Adoptions
159
Removals
238
Version upgrades
110
Sites tracked
14

Top adopted this week

Technologies most commonly added to a site that didn’t have them before. Each row links to a programmatic page listing every site that adopted it.

TechnologyCategorySites adopting
C3.js JavaScript libraries 13
Webflow CMS 8
React JavaScript frameworks 8
Google Cloud IaaS 8
Webpack Miscellaneous 7
Node.js Programming languages 7
Next.js JavaScript frameworks 7
Let's Encrypt SSL/TLS certificate authority 7
Google Tag Manager Tag managers 7
HSTS Security 5
RxJS JavaScript frameworks 4
Envoy Reverse proxies 4
reCAPTCHA Security 3
Optimizely (Episerver) CMS 3
Contentful CMS 3

Most dropped this week

Technologies removed from sites that previously had them. Often a leading indicator of vendor churn or platform consolidation.

TechnologyCategorySites dropping
HSTS Security 26
dc.js JavaScript graphics 12
Klaviyo Marketing automation 11
Google Tag Manager Tag managers 9
C3.js JavaScript libraries 9
OneTrust Cookie compliance 8
Let's Encrypt SSL/TLS certificate authority 8
React JavaScript frameworks 7
Google Cloud IaaS 6
Amazon S3 CDN 6

Latest changes

Every detected change in the last 7 days, newest first.