A scaled SVG can enlarge its stroke along with the shape. That may be desirable for an illustration but unsuitable for an interface icon whose line weight should remain consistent. Decide which behavior the design requires before changing the source. Compare the real SVG at several intended sizes; a screenshot does not establish how the editable stroke behaves.
Define what should stay consistent
Record the requested display sizes and whether the visual system expects proportional line weight or a fixed apparent stroke. An icon at twenty pixels and a large illustration do not necessarily need the same rule. Identify which paths are actual strokes and which thick outlines have been converted into filled geometry.
Keep the editable source. A filled outline does not become a configurable stroke merely because it looks like one. Likewise, a PNG embedded inside an SVG remains a raster image; adding a stroke-related attribute to the wrapper cannot turn its painted pixels into editable lines.
Compare the documented stroke behavior
MDN's vector-effect reference describes non-scaling-stroke. It is a specific SVG rendering behavior, not a universal export enhancement. Use a source editor or the implementation owner's workflow to apply it only where appropriate and inspect the target browser.
Keep a normal-stroke candidate and a non-scaling candidate from the same source. Do not change the viewBox or path geometry at the same time; that would mix line-weight behavior with shape scaling. Also check the joins, open endpoints and internal spaces, because a fixed stroke can occupy a different proportion of a small shape.
A hypothetical three-size review
Imagine a simple line icon used at three display sizes. The proposed review places both candidates in the same page, with the intended background and nearby text. Record apparent stroke weight, internal-gap clarity and overall silhouette at each size.
This is a planned comparison, not a measured browser result or an existing downloadable fixture. The fixed-stroke version may look consistent at larger sizes while filling a narrow gap at the smallest size. In that case the smallest icon may need a separately reviewed design rather than another attribute added indiscriminately.
Approve the family, not one enlarged preview
Accept when each required size has the intended line weight, open internal spaces and recognizable form. Reject a thick small icon, weak large icon or a setting that behaves differently in the actual embedded route. Recheck if the component adds a transform or exports the source into a different format.
Save the editable SVG and a size-by-size approval note. Keep a raster fallback separately labeled when the destination requires one. Imagild's Skills can help develop the visual concept; SVG strokes, geometry and browser rendering are managed externally. A vector-looking generated image and a tested SVG icon are different deliverables, and neither automatically establishes a safe manufacturing cut path.