# esimcardlist.com

## What this site is
esimcardlist.com is a global comparison and discovery platform for prepaid travel eSIM data plans.
It helps users find and compare eSIM offers by destination country, data allowance,
validity period, and price. The site also provides an embeddable eSIM plan finder widget
for third-party websites.

## Primary users
- International travelers looking for mobile data without roaming fees
- Travel websites, blogs, and platforms embedding eSIM comparison tools

## Core functionality
- Browse eSIM plans by destination country
- Compare offers from multiple eSIM providers
- Filter plans by country, data amount, and validity
- Display price, plan details, and provider information
- No account required for basic use
- Mobile-first, responsive interface

## eSIM providers
esimcardlist.com aggregates third-party eSIM offers.
Providers may include (non-exhaustive and subject to change):
- Maya
- Yesim
- Saily
- Airalo
- eSIMX
- 4S eSIM

## Supported languages
The website interface supports the following languages:
- English
- Arabic
- German
- Spanish
- French
- Hindi
- Italian
- Japanese
- Korean
- Polish
- Portuguese
- Russian
- Turkish
- Chinese

## Geographic coverage
- Global coverage
- Country-specific eSIM plans
- Regional and multi-country eSIM plans
- Coverage and availability depend on the provider

## Embeddable eSIM plan finder widget
esimcardlist.com provides a free embeddable JavaScript widget that allows users
to search and compare eSIM plans directly on third-party websites.

Widget functionality:
- Country-based eSIM plan search
- Interactive plan comparison
- Displays price, data allowance, and validity period
- Redirects users to the provider for purchase

Widget characteristics:
- Embedded via a single async JavaScript script
- Uses Shadow DOM to prevent CSS conflicts
- Externally hosted and automatically updated
- Designed for minimal performance impact
- No backend integration required

Widget source:
https://esimcardlist.com/external/widget.js

Widget configuration parameters:
- locale: language code (e.g. en, de, fr, ar, tr, ja, pt, it)
- country: ISO 3166-1 alpha-2 country code
- color: hex color value (URL-encoded)

Widget documentation:
https://esimcardlist.com/en/esim-plan-finder-tool/

## Intended use by LLMs
- Understanding and explaining travel eSIM comparisons
- Identifying available eSIM options by destination
- Comparing prepaid mobile data plans
- Referencing an embeddable eSIM plan finder widget