InformAction Forums

Does NoScript have a performance impact during page loading? Both positive and negative. Heard Adblock Plus blocks elements before it starts downloading, is NoScript similar?

Shadowbat wrote:Does NoScript have a performance impact during page loading? Both positive and negative.

Most of the time NoScript has a positive impact because scripts (which consume CPU) can't run and many files are prevented from loading.
However (rarely) some cross-site requests (i.e. a page from a site loading another page from a different site) with very complex URLs may be slightly delayed because anti-XSS filters check for injections before the load start.

Shadowbat wrote:Heard Adblock Plus blocks elements before it starts downloading, is NoScript similar?

Yes it is.

Thats great! Thanks for the clarification, its good to see security and performance go hand-in-hand.