A supporter does not experience an offside review as a data pipeline. They experience a goal, a pause and a decision that may arrive before the explanation. That gap is where much of the frustration lives. I think the useful test for football technology is wider than whether it can draw a line quickly: can it make a difficult decision easier to understand without pretending that every part of the decision is mechanical?
.jpg){kind=link}
Measurement and interpretation are different tasks
FIFA’s explanation of semi-automated offside technology distinguishes the measurement of player positions from judgments about involvement in play. Tracking can help establish positions and supply information to officials. It does not make every interpretation about interference disappear. The exact equipment and review procedures depend on the competition and system, so an old demonstration should not be treated as the specification for every match.
This distinction is useful well beyond football. A measuring device can answer a carefully defined question while leaving a wider decision to someone else. Problems begin when a presentation makes the narrow measurement look like a complete explanation of everything that happened.
Why the chosen instant matters
Consider a simplified example in which an attacker is accelerating while a defender moves in the opposite direction. Comparing their positions at one instant can produce a different relationship from comparing them slightly later. This example is about the importance of timing, not a reconstruction of a real match or a claim about any system’s accuracy.
When watching a replay, I would therefore want to understand which moment the officials are evaluating and what the visual overlay represents. An attractive animation can explain a decision, but it is still a representation assembled from inputs and rules. It should not be mistaken for a separate camera that witnessed the event from an impossible angle.
Speed is valuable, but so is an explanation
A shorter interruption can improve the experience of a match. Yet a rapid decision that leaves everyone uncertain about the reason creates a different problem. A useful explanation identifies the incident, the part of the rule involved and what the technology contributed. It should be brief enough to follow without requiring viewers to become tracking engineers.
My preference would be a consistent sequence: show the relevant moment, state the reason and distinguish a positional finding from a judgment about involvement. That is an editorial preference about communication, not a statement that every competition currently follows the same process. Different viewers may reasonably give speed and detail different weights.
Watch the next review with a better question
The next time a tight call interrupts a match, ask whether the disagreement concerns the position, the selected moment or the interpretation of the player’s action. Those are different disputes and need different evidence. A single screenshot shared without the preceding play may address only one of them.
Technology will not remove every argument from sport, and perhaps supporters would not want an entirely argument-free game. It can still make a defined part of officiating more consistent and easier to explain. The standard I would use is whether the information helps people understand the decision, rather than whether a polished graphic makes uncertainty disappear from view.
The question behind the offside line
Separate the measured position from the officials’ interpretation of involvement. Look for the moment and rule behind the graphic.
Does semi-automated offside technology replace every referee judgment?
No. Positional information assists officials, while questions such as involvement and interference can still require interpretation under the applicable rules.
Sources & further reading
Source material reviewed Sep 6, 2026. These links support the factual background. Worked examples and editorial interpretations are identified in the text.
Join the conversation
What would you add, question or explain differently? Please discuss the idea and respect the person.
Comments are screened for spam and abuse. Some are held for review. We store your comment and a daily security identifier; see privacy. Keep personal contact details out of your comment.