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Tech stack of esim.site

https://esim.site
eSIM for International Travel: Plans for 200+ Countries - eSIM.site
Cached · Oct 12, 2026
Re-scan
18Technologies
10Categories
200HTTP Status
695msScan Time
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AI builder check

No AI builder evidence found

No evidence

None of the 33 fingerprints we track for 9 AI app builders (Lovable, Bolt.new, v0, Replit, Base44, Manus, Anything, Emergent and YouWare) appear on this page. That is not proof the site was coded by hand: code written with AI assistants such as Cursor, Claude Code or GitHub Copilot leaves no public trace, and builder markers can be removed after an export.

This check names the builder platform from public evidence. It does not measure how much of the code was written by AI. How the check works and how accurate it is

Detected technologies (18)

Google Fonts

Free web font hosting by Google

Font
99%
confidence
Evidence (1 signal)
Link Href
Google Fonts stylesheet
https://fonts.googleapis.com

Cloudflare

CDN, DDoS protection, and security services

CDN
99%
confidence
Evidence (4 signals)
Header
CF-Ray header is Cloudflare-specific
a49659723871b84b-PDX
Header
Server: cloudflare
cloudflare
Header
CF-Cache-Status header
DYNAMIC
DNS
Cloudflare nameservers
NS: margaret.ns.cloudflare.com

jsDelivr

Free CDN for open-source packages

CDN
99%
confidence
Evidence (1 signal)
Link Href
jsDelivr stylesheet
https://cdn.jsdelivr.net

UNPKG

CDN for everything on npm

CDN
99%
confidence
Evidence (1 signal)
Script Src
UNPKG script source
https://unpkg.com/[email protected]/dist/umd/lucide.min.js

Google Tag Manager

Tag management system by Google

Analytics
99%
confidence
Evidence (1 signal)
Html Pattern
Google Tag Manager container
googletagmanager.com/gtm.js

Microsoft Clarity

Free heatmaps and session recordings by Microsoft

Analytics
99%
confidence
Evidence (1 signal)
Html Pattern
Microsoft Clarity tag
clarity.ms/tag

PostHog

Open-source product analytics

Analytics
99%
confidence
Evidence (1 signal)
Html Pattern
PostHog snippet
assets.i.posthog.com

Pinterest Tag

Pinterest conversion tracking

Advertising
99%
confidence
Evidence (1 signal)
Html Pattern
Pinterest Tag code
pintrk(

Snap Pixel

Snapchat conversion tracking

Advertising
99%
confidence
Evidence (1 signal)
Html Pattern
Snap Pixel code
snaptr(

HubSpot

CRM and marketing automation platform

Marketing
99%
confidence
Evidence (1 signal)
Html Pattern
HubSpot tracking or forms script
js.hs-scripts.com

OneSignal

Push notification and messaging service

Marketing
99%
confidence
Evidence (1 signal)
Html Pattern
OneSignal SDK
cdn.onesignal.com

Cloudflare Turnstile

CAPTCHA alternative by Cloudflare

Security
99%
confidence
Evidence (1 signal)
Html Pattern
Turnstile widget or script
challenges.cloudflare.com/turnstile

PHP

Server-side scripting language

Language
95%
confidence
Evidence (1 signal)
Header
PHPSESSID cookie is PHP-specific
PHPSESSID

Font Awesome

Icon font and SVG toolkit

Font
95%
confidence
Evidence (1 signal)
Link Href
Font Awesome stylesheet
https://cdn.jsdelivr.net/npm/@fortawesome/[email protected]/css/all.min.css

Progressive Web App

Installable web app with a manifest

Other
90%
confidence
Evidence (1 signal)
Html Pattern
Web app manifest link
<link rel="manifest"

Tailwind CSS

Utility-first CSS framework

UI Library
80%
confidence
Evidence (1 signal)
Html Pattern
Tailwind variant-prefixed utility classes
class="sr-only focus:not-sr-only focus:absolute focus:top-2 focus:left-2 focus:z-[9999] focus:bg-primary-600 focus:text-white focus:px-4 focus:py-2 focus:rounded-lg focus:outline-none"

Bootstrap

Popular CSS framework for responsive design

UI Library
75%
confidence
Evidence (1 signal)
Html Pattern
Bootstrap class patterns
class="btn btn-primary btn-sm"

Laravel

PHP web application framework

Framework
50%
confidence
Evidence (1 signal)
Cookie
XSRF-TOKEN cookie (common with Laravel)
XSRF-TOKEN

Website details

Network & TLS

IP address172.67.157.75
All resolved IPs172.67.157.75, 104.21.8.105, 2606:4700:3032::6815:869, 2606:4700:3037::ac43:9d4b
ProtocolHTTP/1.1
TLS issuerGoogle Trust Services
Cert. expires Dec 1, 2026 50 days

DNS records

Nameserversmargaret.ns.cloudflare.com vicky.ns.cloudflare.com
Mail servers_dc-mx.1be927cd7281.esim.site

Security headers 5/6

strict-transport-securityPresent
content-security-policyMissing
x-content-type-optionsPresent
x-frame-optionsPresent
referrer-policyPresent
permissions-policyPresent

Page insights

LanguageEN
HTML size193 KB (br)
Resources40 scripts · 10 stylesheets · 21 images
Third-party hosts14 www.googletagmanager.com, www.clarity.ms, fonts.googleapis.com, fonts.gstatic.com, cdn.jsdelivr.net, unpkg.com, …
Open GraphPresent
RSS/Atom feedPresent
Raw HTTP Headers
date Mon, 12 Oct 2026 13:11:16 GMT
content-type text/html; charset=UTF-8
transfer-encoding chunked
connection keep-alive
server cloudflare
expires Thu, 19 Nov 1981 08:52:00 GMT
cache-control no-store, no-cache, must-revalidate
pragma no-cache
x-content-type-options nosniff
x-frame-options SAMEORIGIN
x-xss-protection 1; mode=block
referrer-policy strict-origin-when-cross-origin
permissions-policy camera=(), microphone=(), geolocation=()
strict-transport-security max-age=31536000; includeSubDomains; preload
x-permitted-cross-domain-policies none
content-security-policy-report-only default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://accounts.google.com https://unpkg.com https://cdn.jsdelivr.net https://js.stripe.com https://www.paypal.com https://challenges.cloudflare.com https://www.google.com https://www.gstatic.com https://cdn.tiny.cloud https://www.
vary Accept-Encoding
set-cookie PHPSESSID=8cd7ff12c5e0d71382c9177808293c1b; path=/; secure; HttpOnly; SameSite=Lax; XSRF-TOKEN=62ef174c1a106d5aba3bfe3a0ee867358cd835571090765060a3d8c4dd59d399; path=/; secure; SameSite=Lax; pref_currency=USD; expires=Sun, 10 Jan 2027 13:11:15 GMT; Max-Age=7776000; path=/; secure; SameSite=Lax; esim
report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=2l%2BbOa1M5IBWZJxKzNxfxfoh0TLoTrGy2x8%2FEMOs%2FaTBOkSHjU6xNeYR7uUuduvXz%2FWqwqFM%2FyhKug2q0b%2BsMZ03hOJ%2BNGoZ93xekaMCW%2BIXtK2wGjIASlbYtqU%3D"}]}
nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
cf-cache-status DYNAMIC
content-encoding br
cf-ray a49659723871b84b-PDX
alt-svc h3=":443"; ma=86400

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