2026-07-01 crawl · observed, not inferred

Technology used by lessonly.com

27
technologies detected
lessonly (now seismic learning)
company
201-500
employees
computer software
industry
united states
location

Recent changes

2026-08-01 dropped Cloudflare Bot Managementprovisional
2026-08-01 dropped Cloudflareprovisional
2026-02-01 dropped Bootstrapconfirmed

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
Underscore.jsOct 2016Moment.js2.29.4Aug 2022Lodash4.18.1May 2022jQuery UI1.13.2May 2018core-js2.6.11Sept 2021jQuery3.7.1Oct 2016
Email
SendgridAug 2022Microsoft 365Aug 2022MailChimpAug 2022
JavaScript frameworks
ReactMay 2018Backbone.js1.0.0Aug 2022
CDN
CloudflareNov 2021Amazon S3Aug 2022
RUM
New RelicMay 2018DatadogAug 2022
Security
HSTSSept 2022Cloudflare Bot ManagementNov 2021
Editors
CodeMirrorAug 2022
Search engines
Algolia3.35.1Aug 2022
Programming languages
RubySept 2021
Rich text editors
Ace1.35.0Sept 2024
Web frameworks
Ruby on RailsSept 2021
Issue trackers
Atlassian StatuspageJan 2023
PaaS
Amazon Web ServicesAug 2022
Font scripts
Typekit1.21.0May 2018
Analytics
PendoJun 2023
Widgets
EmbedlyAug 2022
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