What powers 
otessa.org?
Last seen Jul 2026 · 21 technologies across 16 categories
Advertising
Twitter Ads
since Jun 2023
CDN
Cloudflare
since Jul 2026
Google Hosted Libraries
since Nov 2024
CMS
Databases
MySQL
since Jun 2023
DMS
Font scripts
Google Font API
since Nov 2024
JavaScript libraries
Miscellaneous
Page builders
Themify Builder
since Nov 2024
Performance
Priority Hints
since Jun 2023
Programming languages
PHP
since Jun 2023
Security
Cloudflare Bot Management
since Jul 2026
UI frameworks
Bootstrap
since Jun 2023
Web server extensions
Web servers
Apache HTTP Server
since Jun 2023
Widgets
Twitter
since Jun 2023
AI Crawlers
Blocks 4 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- ClaudeBot Blocked
- GPTBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 gptbot added to robots.txt
- Sep 2026 claudebot added to robots.txt
- Sep 2026 bytespider added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 anthropic-ai added to robots.txt
- Aug 2026 chatgpt-user removed from robots.txt
AI Crawlers
4 of 33 AI crawlers blocked
Open Page Rank
3.56 / 10 · ranked #833,959 of all domains
35 referring domains · OpenPageRank
Organisation
- Open/Technology in Education, Society, and Scholarship Association
- Founded: 2019
- Country: Canada
From Wikidata (CC0).
Infrastructure
- Hosted on IDIGITAL (104.36.150.8)
- DNS: canadianwebhosting.com
- Email: otessa.org
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,350,351, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| otessa.org | 13 |
| journal.otessa.org | 12 |
| conference.otessa.org | 10 |