What powers referenceline.com?
Last seen Sep 2026 · 12 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
Amazon SES
since Aug 2022
Google Workspace
since Aug 2022
MailChimp
since Aug 2022
Mailgun
since Aug 2022
SparkPost
since Feb 2024
Hosting
GoDaddy
since Aug 2022
JavaScript libraries
Operating systems
Windows Server
since Jan 2019
PaaS
Amazon Web Services
since Aug 2022
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 60% desktop
- 40% phone
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.38 / 10 · ranked #1,024,563 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Google
- Weight: 0.3 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Google Cloud (35.246.7.238)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,143,323, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted