Aleksander Sekowski - DEV Community

Aleksander Sekowski

Oct 25

10 CTV Portfolio Errors That Ship Linear VAST and Kill Fill

#vast #ctv #advertising #adtech

5 min read

Aleksander Sekowski

Oct 24

Google creative status codes for consent, vendors, and SDKs.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 24

The Deal Sync vs OpenRTB Cheat Sheet Every PMP Bid Ops Engineer Needs

#openrtb #advertising #programmatic #deals

4 min read

Aleksander Sekowski

Oct 23

VAST wrapper governance can reduce the cost of diagnosing delayed ads.

#adtech #webdev #testing #performance

6 min read

Aleksander Sekowski

Oct 23

Google rejects a VAST when the media file type is missing.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 23

AdCP Explained: How Negotiated Buys Still Become OpenRTB and VAST

#advertising #openrtb #vast #ai

1

4 min read

Aleksander Sekowski

Oct 22

Migrate from VAST 2 or 3 when a supported capability justifies the work.

#adtech #webdev #testing #performance

4 min read

Aleksander Sekowski

Oct 22

Google loss 501 is the mediation waterfall, and these statuses are auction results.

#openrtb #adtech #api #debugging

2 min read

Aleksander Sekowski

Oct 22

AAMP Video Buy vs OpenRTB Bid Request: The SDK Clears Before the Exchange Sees the Deal

#vast #openrtb #adtech #advertising

5 min read

Aleksander Sekowski

Oct 21

Digital Turbine loss 1010 is a malformed bundle, and 206 is still a bundle block.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 21

10 OpenRTB Native Mistakes That Pass Solo Validation and Kill Fill

#openrtb #json #adtech #advertising

1

5 min read

Aleksander Sekowski

Oct 20

VAST gives creative approval a shared contract that teams can reuse.

#adtech #webdev #testing #performance

6 min read

Aleksander Sekowski

Oct 20

Chartboost loss 211 is a missing MRAID crtype, and 1000 through 1003 are Chartboost's own.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 20

The RMT OpenRTB Mapping Cheat Sheet Every Video Bid Ops Engineer Needs

#openrtb #advertising #adtech #javascript

5 min read

Aleksander Sekowski

Oct 19

Move video verification to OMID with evidence from the destination.

#adtech #webdev #testing #performance

4 min read

Aleksander Sekowski

Oct 19

Equativ loss codes 1001 through 1007 are not in the OpenRTB list.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 19

ARTF Explained: How a Live Bid Request Gets Patched Before the Auction

#openrtb #advertising #grpc #ai

1

4 min read

Aleksander Sekowski

Oct 18

Equativ explains ten loss codes a bidder can fix in the response.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 18

VAST Mezzanine vs MediaFile: Why SSAI Transcodes the Master Your Browser Tag Never Needs

#vast #ctv #advertising #video

5 min read

Aleksander Sekowski

Oct 17

Unity loss codes 1213 through 1222 are the offensive-content bucket.

#openrtb #adtech #api #debugging

1

1 min read

Aleksander Sekowski

Oct 17

9 CTV Creative Readiness Mistakes That Pass Validation and Still Kill Fill

#vast #advertising #video #ctv

4 min read

Aleksander Sekowski

Oct 16

Migrate VPAID interactivity to SIMID when your delivery partners can support it.

#adtech #webdev #testing #performance

4 min read

Aleksander Sekowski

Oct 16

Unity uses one review reason for loss codes 1200 through 1208.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 16

The CTV Ad Portfolio Cheat Sheet Every Video Ad Ops Engineer Needs

#ctv #vast #advertising #openrtb

4 min read

Aleksander Sekowski

Oct 15

Unity loss 1011 means the bid never named a billing URL.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 15

GPP Explained: How Privacy Strings on the Bid and Tag Gate Creatives

#openrtb #advertising #privacy #gdpr

5 min read

Aleksander Sekowski

Oct 14

Unity's first ten loss codes are validator failures and publisher blocks.

#openrtb #adtech #api #debugging

1 min read

Aleksander Sekowski

Oct 14

AdCP Video Buy vs VAST InLine: The MCP Task Can Finish Before the Player Has a Spot

#vast #adtech #advertising #api

5 min read

Aleksander Sekowski

Oct 13

OpenRTB loss reason 206 changed from an app bundle exclusion to a store ID exclusion.

#openrtb #adtech #api #debugging

3 min read

Aleksander Sekowski

Oct 13

10 Curated PMP Mistakes That Drop Paid Filters and Kill Fill

#openrtb #advertising #programmatic #deals

4 min read

Aleksander Sekowski

Oct 12

The OpenRTB Native Assets Cheat Sheet Every In-App Bid Ops Engineer Needs

#openrtb #javascript #advertising #adtech

4 min read

Aleksander Sekowski

Oct 11

RMT Explained: How IAB Redefining Media Types Classifies OpenRTB Impressions

#openrtb #adtech #video #advertising

1

6 min read

Aleksander Sekowski

Oct 10

adagents.json vs ads.txt and schain: Four Files, Two Supply-Chain Questions

#openrtb #advertising #adtech #grpc

5 min read

Aleksander Sekowski

Oct 9

VASTAdTagURI in a DAAST Wrapper Validates as XML. Audio Players Read DAASTAdTagURI.

#vast #advertising #audio #javascript

4 min read

Aleksander Sekowski

Oct 8

ADJUST_DEAL_FLOOR on /imp/imp-1 Parses. ARTF Still Needs /imp/{id}/pmp/deals/{deal id}.

#openrtb #grpc #adtech #ai

4 min read

Aleksander Sekowski

Oct 7

firstQuartile Under NonLinearAds Validates. CTV Portfolio Players Never Schedule It.

#vast #ctv #adtech #xml

5 min read

Aleksander Sekowski

Oct 6

data:text/javascript in InteractiveCreativeFile Passes VAST 4.3. SIMID Still Loads HTML.

#vast #simid #advertising #javascript

4 min read

Aleksander Sekowski

Oct 5

OpenProposal Ranks Briefs. The OpenRTB Bid Request Has No Proposal Handle.

#openrtb #advertising #ai #grpc

4 min read

Aleksander Sekowski

Oct 4

One purchase can create four different conversion numbers.

#analytics #backend #debugging

3

3 min read

Aleksander Sekowski

Oct 4

The URL in the tag manager is not the URL the browser fired.

#javascript #advertising #testing

5 min read

Aleksander Sekowski

Oct 4

Hash the email. Do not hash the IP. Both mistakes still return 200.

#javascript #privacy #analytics

1

5 min read

Aleksander Sekowski

Oct 4

Floodlight still needs src, type, and cat. A leftover ord=1 counts once.

#advertising #javascript #analytics

4 min read

Aleksander Sekowski

Oct 4

Pixel Helper cannot see a Conversions API POST. A 200 is not the contract.

#javascript #api #analytics

5 min read

Aleksander Sekowski

Oct 4

Pixel Helper said the tag fired. Chrome Network never requested facebook.com/tr.

#javascript #analytics #advertising

6 min read

Aleksander Sekowski

Oct 4

An ARTF Mutation Can Declare ACTIVATE_DEALS and Set adjust_bid. The Envelope Still Parses.

#grpc #openrtb #adtech #ai

4 min read

Aleksander Sekowski

Oct 3

The IAB's own VAST sample tags pass XSD validation, and two of them still break the spec

#webdev #javascript #xml #testing

1

5 min read

Aleksander Sekowski

Oct 3

2.2 cat Codes With Omitted cattax Validate. OpenRTB Defaults to Taxonomy 1.0.

#openrtb #adtech #advertising #javascript

4 min read

Aleksander Sekowski

Oct 2

MCP validate_vast Passes the XML the Agent Pasted. The Live Tag URL Still Has Wrappers.

#javascript #vast #advertising #ai

4 min read

Aleksander Sekowski

Oct 1

Curated Deals Still Look Like Plain PMP Lines. OpenRTB Has No Curation Field.

#openrtb #advertising #programmatic #adtech

5 min read

Aleksander Sekowski

Sep 30

A Bare Mezzanine URL Validates Like VAST 4.0. SSAI at 4.1 Needs Four Attributes.

#vast #advertising #ctv #video

3 min read

Aleksander Sekowski

Sep 29

playbackmethod: [1, 2] Validates as JSON. RMT Sound State Needs One Answer.

#openrtb #adtech #video #advertising

4 min read

Aleksander Sekowski

Sep 28

A Native Bid Skips required: 1. The Response Still Validates Alone.

#openrtb #json #adtech #advertising

4 min read

Aleksander Sekowski

Sep 27

A Pause NonLinear MP4 Without Duration Validates. Quartile Beacons Never Schedule.

#vast #ctv #adtech #xml

4 min read

Aleksander Sekowski

Sep 26

ARTF Envelope tmax as "150" Is Not OpenRTB bid_request.tmax. The Agent Still Gets Called.

#grpc #openrtb #advertising #api

4 min read

Aleksander Sekowski

Sep 25

AdCP Scopes the Buy in adagents.json. OpenRTB imp Does Not Carry That Scope Back.

#openrtb #advertising #api #javascript

4 min read

Aleksander Sekowski

Sep 24

The Inline Logs Impressions. The Wrapper Hop Does Not. VAST Still Requires Both.

#vast #advertising #video #javascript

3 min read

Aleksander Sekowski

Sep 23

exclusive: true in adagents.json Does Not Retire the ads.txt RESELLER Line

#openrtb #adtech #advertising #api

4 min read

Aleksander Sekowski

Sep 22

gclid on the Next Page Does Not Grant ad_storage. URL Passthrough Is Not Consent.

#javascript #google #privacy #analytics

5 min read

Aleksander Sekowski

Sep 21

Mezzanine-Only SIMID Validates for SSAI. Nobody Runs the Interactive Iframe.

#vast #simid #advertising #javascript

4 min read

Aleksander Sekowski

Sep 21

mincpmpersec Without poddur Validates as JSON. OpenRTB Prices Dynamic Pods.

#openrtb #adtech #video #ctv

4 min read

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