What powers exceptionless.com?

Last seen Sep 2026 · 11 technologies across 8 categories

Analytics

Google Analytics
since Dec 2020

Caching

Varnish
since Jul 2026

CDN

Fastly
since Jul 2026

Email

Google Workspace
since Jun 2026
MailChimp
since Jun 2026
Mailjet
since Jun 2026

Font scripts

Font Awesome
since Dec 2020

Miscellaneous

Open Graph
since Jun 2026
RSS
since Jun 2026

PaaS

GitHub Pages
since Jul 2026

Performance

Priority Hints
since Jul 2026

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Standards: llms.txt, llms-full.txt

Full breakdown

Open Page Rank

3.37 / 10 · ranked #1,037,127 of all domains

43 referring domains · OpenPageRank

Page

  • Language: English
  • CDN: Fastly
  • Weight: 0.4 MB · 27 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Fastly (185.199.108.153)
  • 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 1,908,869, 6 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Full technology history →
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