holidaycheck.de Technology Profile

Analytics and Tracking

A heatmap, survey, feedback and funnel application.

Audience Measurement · Conversion Optimization · Feedback Forms and Surveys

Optimizely

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Optimizely empowers companies to deliver more relevant and effective digital experiences on websites and mobile through A/B testing and personalization.

A/B Testing · Conversion Optimization · Personalization · Site Optimization

Optimizely Geotargeting

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AB Testing based on audience location.

New Relic

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New Relic is a dashboard used to keep an eye on application health and availability while monitoring real user experience.

Application Performance

Google Analytics

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Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.

Application Performance · Audience Measurement · Visitor Count Tracking

Google Universal Analytics

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The analytics.js JavaScript snippet is a new way to measure how users interact with your website. It is similar to the previous Google tracking code, ga.js, but offers more flexibility for developers to customize their implementations.

Google Analytics 4

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Google Analytics 4 formerly known as App + Web is a new version of Google Analytics that was released in October 2020.

Bing Universal Event Tracking

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Universal Event Tracking (UET) is a simple and powerful campaign measurement solution that allows you to track key conversion goals important to your business.

Conversion Optimization · Retargeting / Remarketing

Global Site Tag

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Google's primary tag for Google Measurement/Conversion Tracking, Adwords and DoubleClick.

Google Conversion Linker

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Detects the ad click information in your conversion page URLs and stores this information to associate an ad click with a conversion.

TikTok Conversion Tracking Pixel

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TikTok advertising conversion tracking pixel.

Conversion Optimization · Conversion Tracking

Widgets

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CleverPush

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Push notifications for websites.

Push Notifications

Apple Whitelist

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This website domain is on the Apple TLD whitelist which may potentially mean these domains will appear in autocomplete when looking up URLs on Apple products.

Google Tag Manager

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Tag management that lets you add and update website tags without changes to underlying website code.

Tag Management

Google Font API

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The Google Font API helps you add web fonts to any web page.

Fonts

HolidayCheck

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German based holiday booking system.

Bookings

Smart App Banner

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Displays a banner that provides a direct link to an Apple Store app, or opens the app if the user already has it installed.

Mobile

Shutterstock

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Images on this website may have been sourced from Shutterstock.

Image Provider

Google No Translate

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Prevents Google from offering to translate the web page.

Translation

US Privacy User Signal Mechanism

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The US Privacy API (USP API) is a lightweight API used to communicate signals represented in the US Privacy String.

Privacy Compliance

CrUX Dataset

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CrUX is a data collection system that gathers information about how real users interact with websites. This website is included in the user experiences data gathered from Google Chrome and thus considered sufficiently popular on the Internet.

CrUX Top 10k

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Relative measure of site popularity within the CrUX dataset, measured by the total number of navigations on the origin. This site is in the top 10k.

CrUX Top 5000

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Relative measure of site popularity within the CrUX dataset, measured by the total number of navigations on the origin. This site is in the top 5k.

Cloudflare Radar

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The website appears on the Cloudflare Radar Top 1m sites list

Cloudflare Radar Top 50k

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The website appears in the Cloudflare Radar Top 50,000.

Global Privacy Control

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This product helps you take control of your privacy by allowing you to globally opt out of data collection and data sharing.

Privacy Compliance

Getty Images

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This website has images that may have been sourced from Getty Images.

Image Provider

Unsplash

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Free photo service.

Image Provider

Language

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Spanish HREF LANG

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This webpage has alternate versions available in Spanish via the use of the hreflang tag.

German HREF LANG

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This webpage has alternate versions available in German via the use of the hreflang tag.

English HREF LANG

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This webpage has alternate versions available in English via the use of the hreflang tag.

German

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Website content is written in German.

Austrian German HREF LANG

Austrian German HREF LANG Usage Statistics · Download List of All Websites using Austrian German HREF LANG

This webpage has alternate versions available in Austrian German via the use of the hreflang tag.

Swiss German HREF LANG

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This webpage has alternate versions available in Swiss German via the use of the hreflang tag.

Polish HREF LANG

Polish HREF LANG Usage Statistics · Download List of All Websites using Polish HREF LANG

This webpage has alternate versions available in Polish via the use of the hreflang tag.

Frameworks

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PHP

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PHP is a widely used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Facebook Domain Verification

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Domain Verification provides a way for you to claim ownership of your domain in Facebook Business Manager.

GlobalSign Domain Verification

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Domain verification for SSL certificate validation.

Zipkin

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OpenZipkin is a distributed tracing system that gathers timing data needed to troubleshoot latency problems in microservice architectures.

Java EE

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Java Platform, Enterprise Edition (Java EE) is the industry standard for developing portable, robust, scalable and secure server-side Java applications.

Content Delivery Network

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Cloudinary

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Image management & delivery solution.

CloudFront

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Amazon CloudFront is a web service for content delivery. It integrates with other Amazon Web Services to give developers and businesses an easy way to distribute content to end users with low latency, high data transfer speeds, and no commitments.

AJAX Libraries API

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The AJAX Libraries API is a content distribution network and loading architecture for the most popular, open source JavaScript libraries.

OSS CDN

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Open Source Software CDN from MaxCDN.

jsDelivr

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A free CDN where Javascript developers can host their files. Encompasses MaxCDN, and BootstrapCDN.

Mobile

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Viewport Meta

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This page uses the viewport meta tag which means the content may be optimized for mobile content.

Mobile Non Scaleable Content

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This content is formatted for mobile devices, it does not allow the content to be scaled.

Apple Mobile Web Clips Icon

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This page contains an icon for iPhone, iPad and iTouch devices.

IPhone / Mobile Compatible

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The website contains code that allows the page to support IPhone / Mobile Content.

Apple Mobile Web App Capable

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Launches a web application for Safari on iOS in full-screen mode to look like a native application.

Apple Mobile Web App Status Bar Style

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Minimizes the status bar that is displayed at the top of the screen on iOS.

Mapping

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Leaflet JS

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LeafletJS is an an open-source JavaScript library for mobile-friendly interactive maps.

Payment

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Euro

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The website uses the € symbol on its website - meaning it may accept payment in Euros.

Currency

Japanese Yen

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The website uses the ¥ symbol on its website - meaning it may accept payment in this Japanese currency.

Currency

Content Management System

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Contentful

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A headless CMS with an API at its core.

Headless

Prismic

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A CMS backend system for websites.

Headless

JavaScript Libraries and Functions

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jQuery

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JQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.

JavaScript Library

jQuery UI

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jQuery UI provides abstractions for low-level interaction and animation, advanced effects and high-level, themeable widgets, built on top of the jQuery JavaScript Library, that you can use to build highly interactive web applications.

Modernizr

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Modernizr allows you to target specific browser functionality in your stylesheet.

Compatibility

Google Hosted Libraries

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Google Hosted Libraries is a globally available content distribution network for the most popular, open-source JavaScript libraries.

Google Hosted jQuery

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jQuery hosted at Google.

core-js

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Modular standard library for JavaScript.

Framework

Babel

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Babel is a JavaScript compiler.

Framework

html5shiv

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HTML5 IE enabling script shim.

Compatibility

Webpack

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webpack takes modules with dependencies and generates static assets representing those modules.

Picturefill

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Responsive image polyfill.

Compatibility

Respond

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A fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more)

Compatibility

Lightbox

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Lightbox JS is a simple, unobtrusive script used to overlay images on the current page. It's a snap to setup and works on all modern browsers.

React

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A JavaScript library for building user interfaces from Facebook.

JavaScript Library

es6 promise

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A polyfill for ES6-style Promises.

Classnames

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Javascript utility for conditionally joining classNames together.

Emotion

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Library designed for writing css styles with JavaScript.

Intersection Observer

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API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport.

JavaScript Modules

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Modern browsers now support native module functionality, optimizing loading and efficiency. Import and export statements are key for using native JavaScript modules.