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VAST Tag Tester vs Adgentek

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

VAST Tag Tester compared with Adgentek
DetailVAST Tag Tester logo VAST Tag TesterAdgentek logo Adgentek
What it doesNot given Ad server for AI apps that covers inference costs with labeled native ads
StageNot given Startup
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free trial
PricingNot given Not given
Key features
  • Support for VAST 2.0 through VAST 4.3
  • Wrapper chain resolution up to 5 hops
  • Tracking URL inspector for impression, click, error, and progress-event URLs
  • Media file analyzer with delivery type, MIME type, bitrate, and dimensions
  • Rule-based validation with error code reference
  • Server-side parsing of VAST URLs and raw XML
  • No account or configuration required
  • File upload support for XML validation
  • Real-time conversation classification into topics and intent categories
  • Four-tier demand waterfall: direct, programmatic, CPC, and outcome-priced
  • Client-side ad rendering in publisher UI with visible Sponsored label
  • Derived signals only—no raw conversations or user data shared with advertisers
  • Parallel ad request path that does not block model completion
  • Frequency caps and quality floor controls
  • JavaScript SDK for web, with React, iOS, and Android SDKs in development
  • Integration via coding agents or manual SDK implementation
What makes it different
  • No account required to test VAST tags
  • Automatically follows wrapper chains up to 5 hops
  • Diagnostic guidance for pre-traffic troubleshooting
  • Identifies unresolved macros in tracking URLs
  • Built by ad tech veterans from Beachfront and Simpli.fi with two decades of programmatic experience
  • Ads never injected into model output; they render in publisher's own UI
  • Converts free user conversations into revenue to offset inference costs without paywalls or message caps
  • Privacy-first approach with derived signals instead of raw data sharing
Community votes00
DR (Domain Rating by Ahrefs)14 −1 (down) since last check26 +1 (up) since last check
Trust Flow (Majestic)713
Citation Flow (Majestic)2228
Referring domains (Majestic)2839

3 details filled in for both companies.

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