2026-08-01 crawl · observed, not inferred

Technology used by spiedigitallibrary.org

22
technologies detected

Recent changes

2026-06-01 dropped HSTSprovisional
2026-06-01 dropped Microsoft 365provisional
2026-06-01 dropped Cloudflareprovisional
2026-06-01 dropped Sendgridprovisional
2026-06-01 dropped Cloudflare Bot Managementprovisional
2026-06-01 dropped Microsoft ASP.NETprovisional
2026-06-01 dropped Salesforceprovisional
2026-06-01 dropped Impervaprovisional
2026-04-01 dropped Sendgridprovisional
2026-04-01 dropped Cloudflareprovisional
2026-04-01 dropped Impervaprovisional
2026-04-01 dropped Cloudflare Bot Managementprovisional

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.

Security
reCAPTCHAApr 2022HSTSSept 2022Cloudflare Bot ManagementOct 2024
CDN
CloudflareJun 2022ImpervaAug 2020
JavaScript libraries
core-js3.42.0Sept 2021jQuery3.5.1May 2017
Email
SendgridOct 2024Microsoft 365Feb 2024
Analytics
Linkedin Insight TagFeb 2021Google AnalyticsMay 2018
CRM
SalesforceFeb 2024
Operating systems
Windows ServerMay 2018
JavaScript graphics
MathJax4.1.1Nov 2021
Web frameworks
Microsoft ASP.NET4.0.30319May 2017
Web servers
IIS10.0May 2018
Performance
Priority HintsAug 2026
Font scripts
Hoefler&CoJul 2026
Marketing automation
Marketo165Jul 2026
Tag managers
Google Tag ManagerDec 2017
Advertising
Google Publisher TagFeb 2021
Miscellaneous
Open GraphJul 2026
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