What powers certbar.com?

Last seen Oct 2026 · 24 technologies across 11 categories

Analytics

Facebook Pixel v2.9.419
since Jan 2024
Google Analytics
since Feb 2023
Linkedin Insight Tag
since Feb 2023
Microsoft Clarity
since Jun 2023

CDN

Cloudflare
since Feb 2023

JavaScript frameworks

Next.js v14.2.35
since Jul 2024
Next.js App Router
since Jul 2024
React
since Jul 2024
Socket.io
since Oct 2026

JavaScript libraries

core-js v3.32.2
since Feb 2023
Lodash v4.17.21
since Jun 2026

Miscellaneous

HTTP/3
since Sep 2023
Open Graph
since Feb 2023
RSS
since Jun 2023
Webpack
since Jul 2024

Payment processors

PayPal
since Jul 2024

Programming languages

Node.js
since Jul 2024

Security

Cloudflare Bot Management
since Feb 2023
HSTS
since Feb 2023
reCAPTCHA
since Feb 2023

Tag managers

Google Tag Manager
since Jun 2023

UI frameworks

Tailwind CSS
since Jul 2024

Webmail

Microsoft 365
since Oct 2024

AI Crawlers

Restricts 11 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Applebot-Extended Restricted
  • Bytespider Restricted
  • CCBot Restricted
  • ClaudeBot Restricted
  • cohere-training-data-crawler Restricted
  • Google-Extended Restricted
  • GPTBot Restricted
  • meta-externalagent Restricted

Search and AI assistants

  • Amazonbot Restricted
  • OAI-SearchBot Restricted
  • PerplexityBot Restricted

The other 22 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

See who blocks each AI crawler across the web

AI Crawlers

11 of 33 AI crawlers restricted

Standards: llms.txt, llms-full.txt

Full breakdown

Audience

  • 54% desktop
  • 46% phone
  • India

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

Open Page Rank

1.45 / 10 · ranked #6,937,008 of all domains

8 referring domains · OpenPageRank

Core Web Vitals

LCP2.9 s
INP150 ms
CLS0
TTFB1600 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 2.0 MB · 122 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Certbar Security Pvt. Ltd.
  • Industry: Professional services (declares ProfessionalService)
  • Profiles: Facebook, Instagram, LinkedIn

From the homepage's own structured data (Oct 2026).

Infrastructure

  • Hosted on Cloudflare (104.21.82.61, IPv6)
  • DNS: Cloudflare DNS
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC quarantine, CAA
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
  • Common Crawl link graph: rank 8,099,252, 3 hosts
  • Verified with: Google, Have I Been Pwned, Microsoft 365, Pinterest

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

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