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Problem: The Wikidata Query UI takes a long time to load completely on Firefox Quantum and, after some changes to make the UI configurable, one of the last elements to appear is the logo (together with the language). Until the page is completely loaded it shows a white rectangle instead of the logo. This may be related to the fact that the logo is an SVG and the language icon is also an SVG.

Example:

Screenshots/mockups:

BDD
GIVEN
AND
WHEN
AND
THEN
AND

Acceptance criteria:

• The logo is displayed while the rest of the page is loading to be functional.

Open questions: