What powers krsm.net?

Last seen Aug 2026 · 35 technologies across 17 categories

Analytics

Google Analytics
since Apr 2019

CDN

Cloudflare
since Apr 2019
jsDelivr
since Jul 2026

CMS

WordPress
since Apr 2019

Databases

MySQL
since Apr 2019

Font scripts

Font Awesome v4.6.2
since Apr 2019
Google Font API
since Apr 2019
Twitter Emoji (Twemoji)
since Apr 2019

JavaScript libraries

core-js v3.33.3
since Aug 2022
FancyBox v2.1.5
since Apr 2019
jQuery v3.7.1
since Apr 2019
jQuery Migrate v3.4.1
since Apr 2019
Modernizr v2.7.1
since Apr 2019
Slick
since Dec 2024

Maps

Google Maps
since Jul 2026

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Sep 2022
RSS
since Jan 2024

PaaS

Atlassian Statuspage
since Jan 2023
WordPress.com
since Jan 2024

Page builders

WordPress Block Editor
since Jul 2026

Performance

Cloudflare Rocket Loader
since Oct 2022
Priority Hints
since Jan 2024

Programming languages

PHP
since Apr 2019

Security

HSTS
since Sep 2022
reCAPTCHA
since Feb 2025

Tag managers

Google Tag Manager
since Jul 2024

UI frameworks

Bootstrap v5.0.2
since Jan 2024

Webmail

Microsoft 365
since Aug 2023

WordPress plugins

Akismet
since Jul 2026
Contact Form 7 v5.7.3
since Aug 2022
Gravity Forms
since Dec 2024
Gutenberg
since Jul 2026
Yoast SEO v28.1
since Dec 2024

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • 55% desktop
  • 45% phone
  • United States

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

Open Page Rank

3.03 / 10 · ranked #1,537,283 of all domains

66 referring domains · OpenPageRank

Core Web Vitals

LCP1.6 s
CLS0

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United States)
  • CDN: Cloudflare
  • Weight: 15.9 MB · 108 requests
  • WordPress theme: kalkreuth · all themes
  • Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Kalkreuth Roofing & Sheet Metal
  • Industry: Home and construction (declares RoofingContractor)
  • Profiles: Facebook, X, LinkedIn

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

Infrastructure

  • Hosted on Cloudflare (104.21.70.90)
  • DNS: Cloudflare DNS
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC reject, DNSSEC signed, CAA
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
  • Common Crawl link graph: rank 8,221,496, 2 hosts
  • Verified with: Have I Been Pwned, Atlassian Statuspage

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

Subdomains

HostTechs
krsm.net 30
www.krsm.net 19

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