What powers stackct.com?
Last seen Jun 2026 · 92 technologies across 33 categories
Advertising
Microsoft Advertising
since Feb 2021
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since Aug 2025
Analytics
Crazy Egg
since May 2024
Google Analytics
since Aug 2018
Hotjar
since Oct 2018
HubSpot Analytics
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Pendo
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TrackJs
since Dec 2018
Appointment scheduling
Calendly
since Sep 2023
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since Mar 2023
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since Dec 2022
cdnjs
since Mar 2026
Cloudflare
since Oct 2021
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since Jan 2025
jsDelivr
since Jul 2020
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WordPress
since Dec 2018
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since Aug 2022
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since Dec 2018
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since Mar 2026
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Font Awesome
since Dec 2018
Google Font API
since Aug 2018
Ionicons
since Dec 2018
Typekit
since Feb 2021
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Sentry
since Jul 2024
JavaScript frameworks
JavaScript libraries
core-js
since Sep 2021
Highlight.js
since Dec 2018
Isotope
since Jul 2021
Lightbox
since Dec 2018
Modernizr
since Dec 2018
PhotoSwipe
since Feb 2023
Select2
since Sep 2019
Slick
since Dec 2018
Swiper
since Feb 2023
Live chat
Marketing automation
Miscellaneous
HTTP/3
since Oct 2022
Open Graph
since Sep 2022
Prism
since Sep 2023
RSS
since Dec 2022
Webpack
since Apr 2023
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Performance
LazySizes
since Feb 2022
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since Dec 2023
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since Mar 2026
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since Jan 2025
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Cloudflare Bot Management
since Oct 2021
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since Sep 2022
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Google Tag Manager
since Aug 2018
Translation
Weglot
since Aug 2023
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Element UI
since Oct 2024
Video players
Wistia
since Jul 2021
Web servers
Nginx
since Aug 2018
Webmail
Apple iCloud Mail
since Jun 2023
Microsoft 365
since Aug 2022
Widgets
Facebook
since Aug 2018
OWL Carousel
since Dec 2018
WordPress plugins
Essential Addons for Elementor
since Jul 2022
Google Tag Manager for WordPress
since Feb 2022
WP Rocket
since May 2022
WordPress themes
Phlox
since Feb 2022
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| construction estimating software | #2 | 1,100 |
| plan viewer | #4 | 530 |
| stack construction technologies | #1 | 300 |
| stack construction | #1 | 300 |
| stack login | #1 | 300 |
| stackct | #1 | 270 |
| construction takeoff | #2 | 190 |
| estimating programs for contractors | #2 | 190 |
| construction bidding software | #3 | 190 |
| slack download | #48 | 120 |
| takeoffs | #1 | 92 |
| building estimating software | #4 | 79 |
| stack live | #1 | 79 |
| estimating software | #10 | 71 |
| cloud based construction estimating software | #1 | 64 |
| takeoff and estimating | #1 | 64 |
| takeoff | #50 | 64 |
| stack website | #1 | 64 |
| stack web | #1 | 64 |
| best construction estimating software | #3 | 57 |
| stack app | #5 | 57 |
| takeoff programs | #6 | 54 |
| taking off meaning in construction | #1 | 52 |
| equipment costing | #1 | 52 |
| construction cloud | #6 | 44 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 94% desktop
- 6% phone
United States
Canada
India
United Kingdom
France
Spain
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.43 / 10 · ranked #167,614 of all domains
295 referring domains · OpenPageRank
Search traffic
8,000 est. monthly organic visits (US)
2,449 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 15.8 MB · 339 requests
- WordPress theme: phlox (child: stack) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.stackct.com | 55 |
| build.stackct.com | 30 |
| help.stackct.com | 28 |
| info.stackct.com | 26 |
| help-construction.stackct.com | 24 |
| help-preconstruction.stackct.com | 23 |
| support.stackct.com | 22 |
| go.stackct.com | 7 |
Full technology history →
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Recent changes
- dropped Facebook Pixel Apr 2026
- dropped Quora Pixel Apr 2026
- detected Element UI Oct 2025
- detected Essential Addons for Elementor Oct 2025
- detected Flying Pages Oct 2025
- detected Google Tag Manager for WordPress Oct 2025
- detected Isotope Oct 2025
- detected LazySizes Oct 2025
- detected OneTrust Oct 2025
- detected Phlox Oct 2025
- detected PhotoSwipe Oct 2025
- detected Select2 Oct 2025
- detected Vue.js Oct 2025
- detected Weglot Oct 2025
- detected Wistia Oct 2025
- dropped Element UI Sep 2025
- dropped Essential Addons for Elementor Sep 2025
- dropped Flying Pages Sep 2025
- dropped Google Tag Manager for WordPress Sep 2025
- dropped Isotope Sep 2025
- dropped LazySizes Sep 2025
- dropped OneTrust Sep 2025
- dropped Phlox Sep 2025
- dropped PhotoSwipe Sep 2025
- dropped Select2 Sep 2025
- dropped Vue.js Sep 2025
- dropped Weglot Sep 2025
- dropped Wistia Sep 2025
- detected Facebook Pixel Aug 2025
- dropped OptinMonster Aug 2025
- dropped OptinMonster plugin Aug 2025
- detected Quora Pixel Aug 2025
- detected Reddit Ads Aug 2025