Notes on VPN speed and privacy

Five notes on how a VPN behaves when you are actually using it. Evening speed, iPhone battery, a Mac that disconnects on lock, Smart routing, and access history. Each one opens with the conclusion.

  1. Why your VPN is slow at 8 p.m.

    Evening slowness is usually a shared exit sold past what it can carry at 8 p.m., which is what “not oversold” refers to.

    · 6 min read

  2. VPN battery drain on iPhone: what actually helps

    An iPhone VPN spends the battery by waking the radio with the screen off, and fewer idle wakeups are the part that changes it.

    · 6 min read

  3. A Mac VPN that disconnects when you lock the screen

    Lock the Mac or let the display sleep and the tunnel can drop, then return on unlock, but only after you turn the switch on.

    · 5 min read

  4. How Smart routing keeps local sites direct

    Smart routing keeps mainland China sites on your ordinary network and sends overseas traffic through the tunnel.

    · 5 min read

  5. What a VPN can and cannot see

    The exit has to see destinations to forward them. Access history stays off unless an administrator enables a seven-day summary.

    · 6 min read

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