plessey.com Tech Stack
Live first-party scan of plessey.com's tech stack. 14 technologies detected across 16 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Scan timestamp: Jul 29, 2026.
Infrastructure Layer
Sectigo
A/B Testing
Complianz
Analytics
Google Analytics
Site Kit
Blogs
WordPress
CDN
Unpkg
CMS
WordPress
Cookie compliance
Complianz
Databases
MySQL
Form builders
Contact Form 7
JavaScript libraries
jQuery
jQuery Migrate
Programming languages
PHP
Reverse proxies
Nginx
SEO
Yoast SEO
SSL/TLS certificate authority
Sectigo
UI frameworks
Bootstrap
Web servers
Nginx
WordPress plugins
Complianz
Contact Form 7
Site Kit
Yoast SEO
Compare plessey.com's Stack
How was this detected?
For plessey.com, DetectZeStack identified 14 technologies: 13 via HTTP fingerprinting and 1 via TLS handshake.
Detection runs four independent layers in parallel: HTTP response headers, TLS handshake metadata, certificate issuer inspection, and DNS record lookups. The breakdown above shows which layers fired for this specific domain — some sites carry most of their fingerprint in HTTP, others rely heavily on infrastructure (DNS/TLS).
How plessey.com compares
Symmetric diff between plessey.com and similar sites detected on DetectZeStack.
vs www.pektron.com — 9 shared, 4 unique here, 4 unique there
Only on plessey.com: Sectigo, Unpkg, Complianz, Site Kit
Only on www.pektron.com: Google Hosted Libraries, Lightbox, Let's Encrypt, LiteSpeed Cache
vs www.pdms-group.com — 11 shared, 3 unique here, 4 unique there
Only on plessey.com: Complianz, Nginx, Sectigo
Only on www.pdms-group.com: Adobe Fonts, LiteSpeed, Mixitup, HSTS
vs in-tecenergy.com — 7 shared, 4 unique here, 4 unique there
Only on plessey.com: Complianz, Site Kit, Yoast SEO, Nginx
Only on in-tecenergy.com: HTTP/3, JetEngine, Let's Encrypt, LiteSpeed
Need this data programmatically? Our API detects 7,300+ technologies at 1/50th the cost of BuiltWith. 100 free requests/month, no credit card.
Get Free API Key Chrome ExtensionWhat technologies does plessey.com use?
plessey.com uses 14 technologies across 16 categories. The full breakdown is listed above, organized by function. Each technology was identified through analysis of HTTP headers, DNS records, TLS certificates, and HTML content.
What CMS does plessey.com use?
plessey.com uses WordPress for content management. This was detected by analyzing HTTP response headers and HTML markup patterns.
What CDN does plessey.com use?
plessey.com uses Unpkg for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.
What analytics tools does plessey.com use?
plessey.com uses Google Analytics, Site Kit for web analytics. These services are detected through JavaScript includes and tracking pixel patterns.
How is plessey.com's tech stack detected?
DetectZeStack identifies technologies on plessey.com through multiple detection methods: HTTP response header analysis, HTML and JavaScript content scanning, DNS record lookups, and TLS certificate inspection. This multi-layered approach catches technologies that single-method tools miss.