Introduction

When Vue Router links behave inconsistently, the problem is rarely the router-link component itself. It is usually one of a few underlying issues: wrong route definitions, duplicate keys in rendered lists, navigation guards that redirect unexpectedly, or components being reused when you expected them to reset.

The word "sporadically" is the clue. Truly random routing bugs are uncommon. Most of these cases are deterministic, but the bad state only appears under specific data, timing, or render conditions.

Start with the Route Definitions

The first thing to verify is that each route has a unique path and, if you use names, a unique name:

1import Vue from 'vue'
2import VueRouter from 'vue-router'
3import HomePage from './HomePage.vue'
4import UserPage from './UserPage.vue'
5
6Vue.use(VueRouter)
7
8export default new VueRouter({
9  mode: 'history',
10  routes: [
11    { path: '/', name: 'home', component: HomePage },
12    { path: '/users/:id', name: 'user', component: UserPage }
13  ]
14})

If names or paths collide, a link may appear to go to the wrong destination simply because the route table is ambiguous or not what you thought it was.

Check the Actual to Values

Make sure your links resolve to what you expect:

<router-link :to="{ name: 'user', params: { id: user.id } }">
  View user
</router-link>

Named routes are often safer than hand-built path strings because Vue Router handles parameter encoding and route construction for you.

A common mistake is mixing relative assumptions into the link value, or forgetting a required route param. In those cases, navigation may fail silently, reuse the current route, or resolve somewhere unexpected.

Watch for Duplicate or Unstable key Values

A major source of apparently random routing bugs is rendering links in a v-for with unstable keys:

1<div v-for="user in users" :key="user.id">
2  <router-link :to="{ name: 'user', params: { id: user.id } }">
3    {{ user.name }}
4  </router-link>
5</div>

If you use the array index as the key, or omit the key entirely in a dynamic list, Vue may reuse DOM nodes in ways that make the wrong link or stale state appear attached to the wrong item after updates.

That kind of bug often feels intermittent because it only shows up after sorting, filtering, or replacing list data.

Understand Component Reuse

Vue Router reuses the same component instance when navigating between routes that map to the same component but with different params. For example, moving from /users/1 to /users/2 may not recreate the component.

If your component only loads data in created, you may keep seeing stale content:

1export default {
2  watch: {
3    '$route.params.id': {
4      immediate: true,
5      handler(id) {
6        this.loadUser(id)
7      }
8    }
9  },
10  methods: {
11    loadUser(id) {
12      // fetch data here
13    }
14  }
15}

Sometimes developers think the link went to the wrong page, but the route actually changed and the component simply failed to react to the new params.

Review Navigation Guards and Redirects

Global guards, per-route guards, and in-component guards can all redirect or cancel navigation:

1router.beforeEach((to, from, next) => {
2  if (to.meta.requiresAuth && !store.getters.isAuthenticated) {
3    next({ name: 'home' })
4    return
5  }
6  next()
7})

If guard logic depends on stale auth state, async loading, or race conditions, navigation may sometimes work and sometimes redirect elsewhere. That is not a link bug; it is control flow inside the guard.

Check Browser History Mode Setup

If you use history mode, make sure the server is configured to return the app entry point for client-side routes. Otherwise refreshes or direct deep links may fail or land on unexpected pages.

That issue is usually not random, but it can feel inconsistent if some navigation paths are client-side and others come from reloads or copied URLs.

Common Pitfalls

• Using duplicate route names or ambiguous route definitions.
• Building links inside v-for with unstable keys such as the array index.
• Expecting route-param changes to recreate a component when Vue Router reuses the existing instance.
• Forgetting that navigation guards may be redirecting or canceling links intentionally.

Summary

• Vue Router links that seem random are usually caused by route config, key reuse, component reuse, or guard logic.
• Prefer named routes and explicit params for link targets.
• Use stable keys in lists so links and DOM nodes are not mismatched after updates.
• Watch route params or use route guards when one component serves multiple parameterized routes.
• If navigation changes the URL but the screen looks wrong, suspect stale component state before blaming router-link.