
The loading time typically does not really change much in real numbers, but the feeling is different, because The entire document must be loaded into memory in order for the filtering mechanism to work, and nothing is sent If you use any filter action, such as filtering banners by size, web-bugs etc, or the deanimate-gifs action, I notice considerable delays in page requests. Impact on speed as well, although it's probably smaller than you might think. Most other actions have little to no impact on speed.Īlso, when filtering is enabled but zlib support isn't available, compression is often disabled (see prevent-compression). How much depends on the page size, the actual definition of And on very largeĭocuments, filtering may have some measurable impact. Perceived slowdown, since the entire document needs to be buffered before displaying. "Filtering" content via the filter or deanimate-gifs actions may cause a This is typically more than offset by time saved not downloading and renderingĪd images and other junk content (if ad blocking is being used).


Privoxy itself for each page, is relatively small in the overall scheme of Overall, it should not slow you down any in real terms, and may actually help speed things up since ads,īanners and other junk are not typically being retrieved and displayed. How much of an impact depends on many things, including the CPU of the host system, how aggressive theĬonfiguration is, which specific actions are being triggered, the size of the page, the bandwidth of the How much does Privoxy slow my browsing down? This has to
