What powers chelsio.com?

Last seen Aug 2026 · 30 technologies across 16 categories

Authentication

Facebook Login
since Oct 2021

CDN

Cloudflare
since Jun 2025
Google Hosted Libraries
since Jun 2025

CMS

WordPress v6.0.1
since Aug 2017

Databases

MySQL
since Apr 2019

Ecommerce

Cart Functionality
since Jun 2025
Shopify
since Jun 2025

Font scripts

Google Font API
since Jun 2025
Twitter Emoji (Twemoji) v14.0.2
since Sep 2022

JavaScript Frameworks

Handlebars v1.3.0
since Jun 2025
jQuery v1.8.3
since Aug 2017
Lightbox
since Aug 2017
prettyPhoto
since Aug 2017

JavaScript libraries

core-js v3.19.1
since Sep 2022
jQuery Migrate v3.3.2
since Sep 2022
Modernizr v2.8.2
since Jun 2025

Miscellaneous

HTTP/3
since Jun 2025
Open Graph
since Sep 2022
RSS
since Dec 2022

Payment processors

Apple Pay
since Jun 2025
PayPal
since Jun 2025
Shop Pay
since Jun 2025

Performance

Priority Hints
since Jun 2025

Programming languages

PHP v7.4.30
since Apr 2019

Security

HSTS
since Sep 2022

Web Server Extensions

OpenSSL v1.1.1q
since Aug 2017

Web Servers

Apache HTTP Server v2.4.54
since May 2017

WordPress plugins

All in One SEO vPro 4.2.7.1
since Jul 2024
Contact Form 7 v5.6.2
since Feb 2022
WPML v2.6.0
since Mar 2023

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 57% desktop
  • 44% phone
  • India

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

4.69 / 10 · ranked #320,054 of all domains

80 referring domains · OpenPageRank

Core Web Vitals

LCP5.7 s
CLS0
TTFB2400 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United States)
  • Weight: 2.1 MB · 58 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Chelsio Communications
  • Founded: 1997
  • Country: United States
  • Profiles: Facebook, X, LinkedIn

From the homepage's own structured data (Sep 2026) and Wikidata (CC0).

Infrastructure

  • Hosted on EGIHOSTING (173.245.68.214)
  • DNS: Register.com
  • Email: no MX record returned, SPF names Microsoft 365
  • Email security: SPF (hard fail), DMARC reject
  • SSL: Sectigo, RSA 2048, expires Jan 2027
  • Common Crawl link graph: rank 661,438, 4 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
www.chelsio.com 18
store.chelsio.com 16

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