The provided code snippet contains script tags referencing external javascript files from Facebook, Pinterest, and doubleverify. These scripts are commonly used for social media integration, content pinning functionality, and ad verification, respectively. This analysis will detail each entity and its purpose, verifying details as of January 30, 2026.
Facebook Connect SDK
The Facebook Connect SDK (Facebook for Developers – JavaScript SDK) enables websites to integrate with Facebook, allowing users to log in with their Facebook credentials and share content on the platform.
The script tag `https://connect.facebook.net/en_US/sdk.js` loads the JavaScript SDK, which provides the necessary functions for Facebook integration.The `en_US` parameter specifies the language of the SDK.As of January 30, 2026, the Facebook javascript SDK remains a core component for developers integrating Facebook features into their websites.
Example: A website might use the Facebook SDK to implement a “Login with Facebook” button, allowing users to authenticate without creating a separate account. According to Facebook Business Help Center, over 2.91 billion people use Facebook actively each month (as of Q4 2023,the latest publicly available data before the analysis date),making it a notable platform for user authentication and social sharing.
Pinterest Pinit JavaScript
The Pinterest Pinit JavaScript (Pinterest Developers – Pinit Button) allows users to easily save (pin) content from a website to their Pinterest boards.
the script tag `https://assets.pinterest.com/js/pinit.js` loads the JavaScript code required to display and handle the Pinterest “Pin It” button. This button enables users to share images and other content directly to Pinterest. As of January 30, 2026, Pinterest continues to be a popular platform for visual revelation and content curation.
Example: An e-commerce website might use the Pinit JavaScript to allow customers to pin product images to their Pinterest boards. Pinterest reported 482 million monthly active users (as of Q4 2023, the latest publicly available data before the analysis date) demonstrating its reach for visual content sharing.
DoubleVerify Pub javascript
DoubleVerify (DoubleVerify Official website) is a digital media measurement and analytics company that provides ad verification and fraud detection services.
The script tag `https://pub.doubleverify.com/dvtag/29287203/DV1106009/pub.js` loads a JavaScript tag specifically for a publisher (identified by the numbers 29287203 and DV1106009). This tag is used to verify the viewability, brand safety, and fraud rate of advertisements displayed on the publisher’s website. As of January 30, 2026, ad verification remains a critical component of digital advertising, and DoubleVerify is a leading provider in this space.
Example: A news website might use DoubleVerify to ensure that advertisements displayed on its pages are from reputable sources and are not displayed in contexts that could damage its brand reputation. According to DoubleVerify’s 2023 Global Insights Report, invalid traffic (IVT) rates continue to be a concern in digital advertising, highlighting the importance of ad verification solutions.
