Zoom gets an F. Here's what loads before you agree

What cost it points

• high

  Ad networks log your visit before you choose.

• high

  Screen readers can't describe these images.

• high

  Buttons don't say what they do.

• medium

  Outside analytics log your visit before you choose.

• medium

  One hijacked script could reach the whole page.

• medium

  No link to opt out of your data being sold for ads.

• medium

  Links don't say where they go.

• low

  Another site could frame it to trick your clicks.

• low

  Your browser may guess file types attackers can abuse.

• low

  Embedded frames have no names.

• low

  Full page addresses can leak to third parties.

• low

  "Learn more" links don't say where they go.