{# Viewer routes (/catalogue/#/dataset/4, #/map/new, #/metadata/4...) are known from the URL before MapStore loads, so mark them at first paint: the footer stays hidden and the header is full width from the start, instead of the footer showing under the header and the header jumping when the viewer mounts. #}
Vector and raster layers you can preview, filter, download or consume as OGC services. Every layer carries metadata, a licence and a citable landing page.