What powers k12.de.us?
Last seen Jun 2026 · 123 technologies across 39 categories
Advertising
Twitter Ads
since Jul 2021
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Authentication
Facebook Login
since Jun 2021
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Varnish
since Apr 2021
CDN
Amazon CloudFront
since Sep 2021
cdnjs
since Oct 2022
Cloudflare
since Oct 2021
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Mar 2022
jsDelivr
since Oct 2021
Unpkg
since Oct 2025
CMS
WordPress
since Jan 2019
Databases
Documentation
BetterDocs
since Dec 2022
Ecommerce
Cart Functionality
since Aug 2020
Editors
DreamWeaver
since Jan 2019
Mailgun
since Dec 2022
Font scripts
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Plesk
since May 2023
Issue trackers
osTicket
since Oct 2023
JavaScript frameworks
AlertifyJS
since Oct 2025
Marionette.js
since Nov 2020
React
since Jan 2019
RequireJS
since Feb 2019
Stimulus
since Mar 2026
Vue.js
since Sep 2020
JavaScript graphics
JavaScript libraries
Clipboard.js
since Oct 2022
crypto-js
since Apr 2023
HeadJS
since Jul 2021
Htmx
since Dec 2025
Isotope
since Jul 2021
jQuery Migrate
since Apr 2018
LazySizes
since Apr 2023
libphonenumber
since Dec 2025
Lightbox
since Sep 2020
List.js
since Jul 2021
Select2
since Nov 2019
Selectize
since Dec 2025
Slick
since Jan 2019
SoundManager
since Jul 2022
SweetAlert2
since Jan 2019
Swiper
since Oct 2022
Underscore.js
since Feb 2019
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Google Maps
since Dec 2022
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Operating systems
Windows Server
since Jun 2018
PaaS
Amazon Web Services
since Sep 2021
Payment processors
Photo galleries
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Retargeting
Google Remarketing Tag
since Jul 2021
Rich text editors
CKEditor
since Oct 2021
RUM
Security
Tag managers
Google Tag Manager
since Jan 2019
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Video players
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Express
since Sep 2023
Microsoft ASP.NET
since Apr 2018
Web Mail
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Widgets
WordPress plugins
Elementor Header & Footer Builder
since Oct 2022
Essential Addons for Elementor
since Jul 2022
SVG Support
since Jul 2022
The Events Calendar
since May 2022
WP Rocket
since Jan 2022
WP-Statistics
since Jul 2022
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 100% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.93 / 10 · ranked #49,041 of all domains
769 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Google
- Weight: 3.6 MB · 122 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sussexvt.k12.de.us | 40 |
| www.doe.k12.de.us | 25 |
| ces.smyrna.k12.de.us | 22 |
| pdms.doe.k12.de.us | 22 |
| ses.smyrna.k12.de.us | 22 |
| smyrna.k12.de.us | 22 |
| www.lf.k12.de.us | 22 |
| central.lf.k12.de.us | 21 |
| chipman.lf.k12.de.us | 21 |
| cis.smyrna.k12.de.us | 21 |
| doverhigh.capital.k12.de.us | 21 |
| jbm.smyrna.k12.de.us | 21 |
| lfhs.lf.k12.de.us | 21 |
| nses.smyrna.k12.de.us | 21 |
| shs.smyrna.k12.de.us | 21 |
| sms.smyrna.k12.de.us | 21 |
| sse.smyrna.k12.de.us | 21 |
| www.smyrna.k12.de.us | 21 |
| central.capital.k12.de.us | 20 |
| fairview.capital.k12.de.us | 20 |
| mse.capital.k12.de.us | 20 |
| msi.capital.k12.de.us | 20 |
| www.capital.k12.de.us | 20 |
| deeds30.doe.k12.de.us | 18 |
Full technology history →
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Recent changes
- detected Stimulus Mar 2026
- dropped Wheelio Feb 2026
- dropped Priority Hints Jan 2026
- detected CKEditor Dec 2025
- detected Firebase Dec 2025
- detected Htmx Dec 2025
- detected libphonenumber Dec 2025
- detected Selectize Dec 2025
- dropped GSAP Nov 2025
- dropped Nuxt.js Nov 2025
- detected AlertifyJS Oct 2025
- detected Datadog Oct 2025
- detected jsDelivr Oct 2025
- detected Nginx Oct 2025
- detected Typekit Oct 2025
- detected Unpkg Oct 2025
- dropped FlippingBook Sep 2025
- detected PDF.js Sep 2025