Nexus has recently started hiding posts with external links. This method is dying, but for legacy mods (pre-2022), it often still works.
While Nexus Mods' infrastructure is robust, various community-driven attempts have been made to bypass these limits: Nexus Download Speed Bypass
Non-premium users who have either purchased "Supporter" status or disabled ad-blockers can see speeds up to Premium Member: Nexus has recently started hiding posts with external links