If you use OSM, OTP, or Stamen in your maps, make sure to cite them (they use Creative Commons Licenses – follow links to their websites for details). The URLs that follow are the actual connections to the service that you’ll use within your GIS package. In the list below, links for the service name take you to either the website version of the service, or to a list of additional layers that you can connect to. This isn’t something that I’ve ever done, as ArcGIS already has a number of accessible basemaps that you can add. If you’re an ArcGIS user see these concise instructions for adding various tile layers. Conversely, some layers may not render if you’re zoomed too far in, as tiles may not be available at that resolution. Some web layers may render slowly if you’re zoomed out to the full extent, or even not at all if they contain many features or are super detailed.If the scale bar is greyed out you’ll need to set the map window to the same CRS as the map service: select the layer in the panel, right click, and choose set CRS – set project CRS from layer. Use this to adjust the zoom for the web map. If the resolution looks off, right click on a blank area of the toolbar and check the Tile Scale Panel.Select the layer and drag it into the window, or select, right click, and add the layer to the project.In the browser panel drill down to see the service, and for WMS / WMTS layers you can drill down further to see specific layers you can add.Give it a meaningful name, paste the appropriate URL into the URL box, click OK.
Select the appropriate web map service type in the browser panel (usually WMS / WMTS or XYZ Tiles), right click, and add new connection.
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