What powers merckclinicaltrials.com?
Last seen Jun 2026 · 27 technologies across 20 categories
Accessibility
eSSENTIAL Accessibility
since Jul 2022
Analytics
Google Analytics
since Jul 2020
Caching
W3 Total Cache
since Dec 2021
CDN
Cloudflare
since Jan 2025
CMS
WordPress
since Dec 2021
Cookie compliance
OneTrust
since Dec 2021
Databases
MySQL
since Dec 2021
Mailjet
since Aug 2022
JavaScript frameworks
Vue.js
since Dec 2021
JavaScript graphics
Chart.js
since Dec 2021
JavaScript libraries
Twitter typeahead.js
since Jul 2020
Miscellaneous
Programming languages
PHP
since Dec 2021
Security
Cloudflare Bot Management
since Jan 2025
HSTS
since Aug 2024
Tag managers
Google Tag Manager
since Jul 2020
UI frameworks
Video players
Vimeo
since Jan 2025
Web frameworks
Microsoft ASP.NET
since Jul 2020
Web servers
Nginx
since Dec 2021
WordPress plugins
Audience
- 72% phone
- 27% desktop
- 1% tablet
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.04 / 10 · ranked #1,513,658 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 2.3 MB · 65 requests
- WordPress theme: merck-themeresources · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.merckclinicaltrials.com | 21 |
| trialstransparency.merckclinicaltrials.com | 10 |