What powers sais-jhu.edu?
Last seen Sep 2026 · 40 technologies across 23 categories
Analytics
Caching
CDN
CMS
Ecommerce
Font scripts
IaaS
Issue trackers
JavaScript frameworks
JavaScript Graphics
JavaScript Libraries
Miscellaneous
Performance
Programming Languages
Reverse proxies
RUM
Security
Segmentation
Tag managers
UI frameworks
Web frameworks
Web Servers
Widgets
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not checked
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 petalbot added to robots.txt
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 amazonbot removed from robots.txt
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Open Page Rank
6.62 / 10 · ranked #68,082 of all domains
485 referring domains · OpenPageRank
Page
- Language: English
- CDN: Akamai
- Weight: 7.6 MB · 74 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on JHU (128.220.193.2)
- Email: johnshopkins.edu
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 43,499, 18 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| housing.sais-jhu.edu | 18 |
| www.fpi.sais-jhu.edu | 15 |
| www.merrillcenter.sais-jhu.edu | 12 |
| www.sais-jhu.edu | 9 |