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Aleksander Sekowski profile picture

Aleksander Sekowski

creator of vastlint

Joined Joined on  github website
I ran the AdCP conformance suite against my own agent. It found eight bugs.
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I ran the AdCP conformance suite against my own agent. It found eight bugs.

#advertising #testing #webdev #ai
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5 min read

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Validate OpenRTB Bid Requests in CI With ajv and a Schema You Did Not Have to Write
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Validate OpenRTB Bid Requests in CI With ajv and a Schema You Did Not Have to Write

#json #node #testing #api
Comments
4 min read
OpenRTB 2.6 Spelled a Device Field 'didshal' for Six Months. Which Snapshot Are You Validating Against?
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OpenRTB 2.6 Spelled a Device Field 'didshal' for Six Months. Which Snapshot Are You Validating Against?

#json #api #adtech #opensource
Comments
5 min read
Your Bid Response Is Valid JSON, Passes Its Schema, and Is Still Wrong
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Your Bid Response Is Valid JSON, Passes Its Schema, and Is Still Wrong

#json #api #testing #adtech
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5 min read
VPAID Is Deprecated. Here Is How to Find Out How Much You Are Still Serving.
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VPAID Is Deprecated. Here Is How to Find Out How Much You Are Still Serving.

#adtech #ctv #javascript #webdev
Comments
5 min read
Playing VAST Ads in Video.js Without the Google IMA SDK
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Playing VAST Ads in Video.js Without the Google IMA SDK

#javascript #webdev #video #adtech
Comments
7 min read
There Is No VAST 4.3 Schema, and the 4.4 Draft Accepts a Completely Empty Ad
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There Is No VAST 4.3 Schema, and the 4.4 Draft Accepts a Completely Empty Ad

#xml #adtech #opensource #testing
Comments
5 min read
Your Ad Pod Lost Half Its Ads and the VAST Still Validates
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Your Ad Pod Lost Half Its Ads and the VAST Still Validates

#ctv #adtech #xml #debugging
Comments
6 min read
An Empty VAST Wrapper Is Schema-Valid in 4.4. It Was Not in 2.0.
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An Empty VAST Wrapper Is Schema-Valid in 4.4. It Was Not in 2.0.

#vast44 #xsd #wrapper #validation
Comments
4 min read
Top 10 OpenRTB Mistakes That Are Costing You Money
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Top 10 OpenRTB Mistakes That Are Costing You Money

#advertising #ctv #webdev #rust
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Comments
6 min read
AAMP vs AdCP: The Two Standards Stacks Racing to Define Agentic Advertising
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AAMP vs AdCP: The Two Standards Stacks Racing to Define Agentic Advertising

#advertising #ctv #ai #iab
Comments
3 min read
The VAST Macros Cheat Sheet Every Ad Ops Engineer Need
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The VAST Macros Cheat Sheet Every Ad Ops Engineer Need

#ctv #adtech #advertising #iab
Comments
4 min read
VASTlint on PyPI: in-process VAST validation for Python backends
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VASTlint on PyPI: in-process VAST validation for Python backends

#python #adtech #video #opensource
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5 min read
VMAP and DAAST Validation Just Landed in vastlint Core
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VMAP and DAAST Validation Just Landed in vastlint Core

#adtech #opensource #rust #ctv
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5 min read
OMID Explained: How IAB's Open Measurement SDK Works with VAST AdVerifications
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OMID Explained: How IAB's Open Measurement SDK Works with VAST AdVerifications

#adtech #vast #advertising #webdev
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5 min read
CTV Fraud Has an IPv6 Business Problem
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CTV Fraud Has an IPv6 Business Problem

#adtech #ctv #fraud
Comments
7 min read
How vastlint's Validation Rules Were Extracted from the VAST PDF Specs and XSD Schemas
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How vastlint's Validation Rules Were Extracted from the VAST PDF Specs and XSD Schemas

#ai #adtech #opensource #rust
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13 min read
I Built a VS Code Extension That Validates VAST XML as You Type
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I Built a VS Code Extension That Validates VAST XML as You Type

#vscode #adtech #opensource #rust
Comments
3 min read
The 10 VAST Errors That Silently Kill Your CTV Ad Revenue
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The 10 VAST Errors That Silently Kill Your CTV Ad Revenue

#adtech #rust #node #ai
Comments
4 min read
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