What powers simplecove.com?

Last seen Oct 2026 · 12 technologies across 9 categories

Analytics

Google Analytics
since Jan 2019

CDN

Cloudflare
since Jul 2016
jsDelivr
since Jul 2020

Email

Google Workspace
since Aug 2022
SparkPost
since Aug 2022

Font scripts

Google Font API
since Jul 2016

JavaScript frameworks

Alpine.js v3.17.4
since Jan 2026

Miscellaneous

HTTP/3
since Sep 2022

Programming languages

Python
since Jan 2019

UI frameworks

Tailwind CSS
since Jan 2026

Web frameworks

Django
since Jul 2016

AI Crawlers

Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • Google-CloudVertexBot Blocked
  • Google-Extended Blocked
  • GoogleOther Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • Amazonbot Blocked
  • PetalBot Blocked

The other 20 AI crawlers we track are not mentioned and stay allowed by default.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

Content Signals: search=yes ai-train=no declared in robots.txt

  • Oct 2026 claude-web added to robots.txt
  • Oct 2026 petalbot added to robots.txt
  • Oct 2026 googleother added to robots.txt
  • Oct 2026 diffbot added to robots.txt
  • Oct 2026 cohere-ai added to robots.txt
  • Oct 2026 google-cloudvertexbot added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

13 of 33 AI crawlers blocked

Standards: Content Signals

Full breakdown

Audience

  • 53% phone
  • 47% desktop
  • United States

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

1.15 / 10 · ranked #10,503,746 of all domains

9 referring domains · OpenPageRank

Core Web Vitals

LCP2.4 s
CLS0.05
TTFB1200 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 0.8 MB · 35 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Cloudflare (104.21.27.149, IPv6)
  • DNS: Cloudflare DNS
  • Email: Google Workspace
  • Email security: SPF (soft fail), DMARC quarantine
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Jan 2027
  • Common Crawl link graph: rank 12,043,620, 3 hosts
  • Verified with: Brave Creators

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

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