Open Web Data Viewer

Extension Tools66 users

Item media 1 (screenshot) for Open Web Data Viewer

Item media 2 (screenshot) for Open Web Data Viewer

Item media 3 (screenshot) for Open Web Data Viewer

Overview

Real-time publisher data and ad metrics using the Open Sincera API

Open Web Data Viewer – Instantly Access and Organize Open Sincera Insights Open Web Data Viewer is a Chrome extension designed for adtech professionals, analysts, and media strategists who need fast, reliable access to Open Sincera data while browsing the web. With a single click, you can: Instantly view Open Sincera data for any domain you're visiting Explore key metrics like ad stack details, reach, ads.txt entries, and technology footprint Add domains to customizable lists for campaign planning, competitive research, or outreach Export your saved lists for use in external tools or collaboration Whether you're scouting publishers, auditing supply, or researching the open web, Open Web Data Viewer puts trusted insights at your fingertips.

0 out of 5
No ratings
Learn more about results and reviews.

Details

Version
2.0.0
Updated
October 8, 2025
Flag concern
Offered by
aaron
Size
45.76KiB
Languages
English
Developer
Email
aaron@marcusandmuse.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Open Web Data Viewer has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Open Web Data Viewer handles the following:

Personally identifiable information

Location

Website content

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

Web Page Meta Data Manager

0.0

A versatile extension for web developers and content managers to manage, inspect, debug custom meta tags and hidden form fields.

PubMatic PA Debugger

5.0

A tool to help debug on publisher sites where both Prebid.js & Protected Audience auctions occur.

AdTech.dev Ad Inspector

4.5

Monitor GAM (GPT), Prebid.js, Amazon A9 and more — slots, bids, analytics, verification, and consent.

autoPath

0.0

A Chrome extension that lets QA engineers hover, click, and instantly copy any element’s CSS selector or XPath.

Code Formatter

0.0

Formats code according to Prettier's default set of rules

Professor Prebid

4.6

Extension to validate your prebid.js setup, list AdUnits and bids, visualise latencies and timings of your webpages header-bidding…

AdsTxt Inspector

0.0

Verify and analyze the Ads.txt and the corresponding Sellers.json entry.

URL Editor Pro

5.0

Edit URL parameters, switch environments, decode JWT/Base64, run regex rewrites, and strip trackers — fully offline.

GeoEdge

4.2

View and validate your geo-targeted content and ads from any device, in any location, using a premium proxy and geo-testing solution

Ad Manager Viewability Insights

4.2

A DevTools extension for inspecting the viewability of Ad Manager Ads

Ad Density Checker by Actirise

5.0

Check your site's ad density for a smooth and engaging user experience.

Publisher Debug

5.0

View and analyze your ad configuration