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- The provided script tag references JavaScript files from Pinterest and DoubleVerify,indicating tracking and advertising-related functionalities on a webpage.this analysis will detail the purpose of each referenced script and...
- The `pinit.js` script is a JavaScript file provided by Pinterest that enables the "Pin It" button and related functionality on websites.this allows users to easily save images or...
- Pinterest is a visual discovery engine that allows users to find ideas for projects and interests.
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The provided script tag references JavaScript files from Pinterest and DoubleVerify,indicating tracking and advertising-related functionalities on a webpage.this analysis will detail the purpose of each referenced script and the entities involved, based on publicly available data as of January 10, 2026.
Pinterest and the `pinit.js` Script
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The `pinit.js` script is a JavaScript file provided by Pinterest that enables the “Pin It” button and related functionality on websites.this allows users to easily save images or content from the webpage to their Pinterest boards.
Pinterest is a visual discovery engine that allows users to find ideas for projects and interests. The `pinit.js` script facilitates integration with the Pinterest platform, enabling content sharing and driving traffic to Pinterest.
Example: When a user clicks the ”Pin It” button on a webpage with `pinit.js` implemented, a pop-up window appears allowing them to select a board and add a description before saving the content to their Pinterest account. Pinterest’s official documentation details the implementation and functionality of the Pin It button.
DoubleVerify and the `dvtag` Script
The `dvtag` script, specifically `pub.js` in this instance, is a JavaScript file provided by DoubleVerify, a digital media measurement and analytics company. It is used to verify ad viewability, brand safety, and fraud prevention for digital advertising campaigns.
DoubleVerify provides technology to ensure that digital ads are seen by real people,in brand-safe environments,and are not fraudulent. The `dvtag` script is embedded in webpages to monitor ad impressions and collect data related to these metrics. The specific tag `DV1106009` is a unique identifier for a particular DoubleVerify configuration.
Example: On December 15, 2025, DoubleVerify announced an expanded partnership with GroupM, demonstrating the continued adoption of their verification technology by major advertising agencies.The `dvtag` script is a key component of this verification process, providing data on ad quality and performance. The tag `29287203` is a publisher ID, and `DV1106009` is a specific DV configuration ID.
Viewability measurement
Viewability measurement is a core function of DoubleVerify’s technology. It determines whether an ad impression had the opportunity to be seen by a user.
The Media Rating Council (MRC) defines viewability as at least 50% of the ad’s pixels being in view for at least one second for display ads. DoubleVerify’s `dvtag` script collects data to assess whether impressions meet these MRC standards. The MRC’s Viewability standard provides detailed specifications for viewability measurement.
Brand Safety
Brand safety ensures that ads are not displayed alongside inappropriate or harmful content. DoubleVerify uses its `dvtag` script to scan webpages for content that violates brand safety guidelines.
This includes identifying content related to hate speech, violence, illegal activities, and other sensitive topics. DoubleVerify’s brand safety solutions help advertisers protect their brand reputation and avoid association with undesirable content.As of January 10, 2026, DoubleVerify reports a 99.9% accuracy rate in identifying brand risk content.
Osano and the `data-osano` Attribute
The `data-osano=”ESSENTIAL”` attribute indicates that the script is considered essential for the website’s functionality and is therefore allowed to load even with strict privacy settings enforced by Osano.
Osano is a consent management platform (CMP) that helps websites comply with privacy regulations such as the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA). The `
