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how to remove tracking pixils?

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I have set up Firefox to delete cookies on closure. However, this leaves tracking pixels on my (MAC) computer. I want to remove them as well, regularly. As I need to enable these for some sites to function, but I do not want them to stay in the computer OR my ipad or iphone.

I have set up Firefox to delete cookies on closure. However, this leaves tracking pixels on my (MAC) computer. I want to remove them as well, regularly. As I need to enable these for some sites to function, but I do not want them to stay in the computer OR my ipad or iphone.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 30.0 r0

Application

  • Firefox 63.0.3
  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:63.0) Gecko/20100101 Firefox/63.0
  • Support URL: https://support.mozilla.org/1/firefox/63.0.3/Darwin/nl/

Extensions

  • AdGuard-advertentieblokkeerder 2.10.13 (adguardadblocker@adguard.com)
  • Browserbeveiliging van F-Secure 1.0.1069 (firefox-mac-browsing-protection@f-secure.com)
  • History Cleaner 1.2.2 ({a138007c-5ff6-4d10-83d9-0afaf0efbe5e})
  • ImTranslator: Vertaler, Woordenboek, Spraak 14.15 ({9AA46F4F-4DC7-4c06-97AF-5035170634FE})
  • Webmail Ad Blocker 5.1.1 (gmailnoads@mywebber.com) (Inactive)

Javascript

  • incrementalGCEnabled: True

Graphics

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  • webgl2Extensions: EXT_color_buffer_float EXT_texture_filter_anisotropic EXT_disjoint_timer_query OES_texture_float_linear WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
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Modified Preferences

Misc

  • User JS: No
  • Accessibility: No
WestEnd 60 solutions 5387 answers

Can clearify what you mean "leaves tracking pixels" how are you seeing this or where is it at?

Can clearify what you mean "leaves tracking pixels" how are you seeing this or where is it at?

Question owner

regular cookies can easily be eliminated but some sites or links hide pixels on the computer to follow the user, even when the cookies are erased.

regular cookies can easily be eliminated but some sites or links hide pixels on the computer to follow the user, even when the cookies are erased.
user633449 1539 solutions 10745 answers

That's not how pixels work, tracking pixels are simply just images on a website that show the website that the image was downloaded. They aren't stored on your computer except in your cache

That's not how pixels work, tracking pixels are simply just images on a website that show the website that the image was downloaded. They aren't stored on your computer except in your cache

Question owner

Hi, thanks for your insight. At one time I came across some kind of link that showed how I could use to locate the pixels and be able to delete them or not as I wished. What you are suggesting is that emptying the cache would solve this.? Or can I selectively do that

and see which sites are doing it?
Hi, thanks for your insight. At one time I came across some kind of link that showed how I could use to locate the pixels and be able to delete them or not as I wished. What you are suggesting is that emptying the cache would solve this.? Or can I selectively do that and see which sites are doing it?
user633449 1539 solutions 10745 answers

I'd suggest using some tools to protect your privacy, one i use is called uBlock Origin, https://addons.mozilla.org/firefox/addon/ublock-origin/

I'd suggest using some tools to protect your privacy, one i use is called uBlock Origin, https://addons.mozilla.org/firefox/addon/ublock-origin/
cor-el
  • Top 10 Contributor
  • Moderator
17673 solutions 159870 answers

You can set network.cookie.thirdparty.sessionOnly to true on the about:config page to make third-party cookies behave as session cookies that expire when Firefox is closed.

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

You can set <b>network.cookie.thirdparty.sessionOnly</b> to true on the <b>about:config</b> page to make third-party cookies behave as session cookies that expire when Firefox is closed. You can open the <b>about:config</b> page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue. *http://kb.mozillazine.org/about:config

Question owner

your description sounds like it could be effective on windows, however on a mac or ipad i dont know how to access the corresponding functions

your description sounds like it could be effective on windows, however on a mac or ipad i dont know how to access the corresponding functions