The following table offers a comparison of WMS and WMTS. WMS vs WMTSWMSWMTSMore supportedLower degree of supportLoads imagery as a single, large fileLoads tiles Slower to loadQuicker to loadMore supported projectionsLess flexibility in terms of supported projectionsMore compatible with on-prem appsMore compatible with web appsWMTS is similar to the Nearmap Tile API; so, you may want to consider that as an option.