Looking for logging into the Nexus Npm Url site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Nexus Npm Url site. After that you can login as usual with your login credentials.
https://blog.sonatype.com/using-nexus-3-as-your-repository-part-2-npm-packages
https://help.sonatype.com/repomanager3/node-packaged-modules-and-npm-registries
https://support.sonatype.com/hc/en-us/articles/115015110067-Using-User-Token-s-with-NPM
https://npme.npmjs.com/docs/tutorials/npm-enterprise-with-nexus.html
https://stackoverflow.com/questions/53152745/nexus-with-npm-login-problems
https://groups.google.com/a/glists.sonatype.com/d/topic/nexus-users/w7Uo7dc6A44
https://issues.sonatype.org/browse/NEXUS-16550
https://issues.sonatype.org/browse/NEXUS-12456
https://levelup.gitconnected.com/deploying-private-npm-packages-to-nexus-a16722cc8166
https://wiki.magnolia-cms.com/display/DEV/NPM%2Brepository%2Bon%2Bnexus
https://www.ibm.com/blogs/bluemix/2017/03/integrate-nexus-hosted-npm-registry-node-js-toolchain/
https://www.jfrog.com/confluence/display/RTF/Npm%2BRegistry
https://gist.github.com/shirakaba/d4bc52330aecc2fcb20d15a29b2927e1