2026-07-01 crawl · observed, not inferred

Technology used by docsteach.org

Discover primary source documents and create engaging history activities with DocsTeach, the online tool from the National Archives for educators.

30
technologies detected

Recent changes

2026-06-01 dropped Priority Hintsprovisional
2026-06-01 dropped HTTP/3confirmed

Full detected stack

Everything detected on this domain in the latest monthly crawl, grouped by what it does. marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.

JavaScript libraries
Select2Sept 2025jQuery UI1.13.3May 2017Dropzone5.7.2Nov 2025core-js3.46.0Sept 2025Underscore.js1.13.8Nov 2025SlickNov 2025Moment.js2.30.1Sept 2025jQuery Migrate3.4.1May 2017jQuery3.7.1May 2017
WordPress plugins
Redux Framework4.4.11Sept 2025Gravity FormsSept 2025Elementor3.35.5|3.35.5Sept 2025AkismetSept 2025Yoast SEO28.0|28.0Sept 2025Flying PagesSept 2025
Performance
LazySizesSept 2025Priority HintsDec 2025
Analytics
Matomo AnalyticsSept 2025Google AnalyticsMay 2018
Font scripts
Twitter Emoji (Twemoji)Sept 2025Font AwesomeNov 2025
CMS
WordPressSept 2025
Databases
MySQLSept 2025
Programming languages
PHPMay 2018
Video players
VideoJSNov 2025
Web servers
NginxMay 2017
Security
HSTSSept 2025
Tag managers
Google Tag ManagerMar 2018
Hosting
DreamHostAug 2022
Miscellaneous
Open GraphSept 2025
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