Based on our record, PixelBlock seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
There have been some attempts by Google to restrict the amount of information that can be transmitted this way. For example,since 2013, Google has served all images in Gmail through its own proxy servers, which could hide your location from at least some tracking applications. And extensions such as Ugly Email and Pixel Block have been developed to block trackers on Chrome and Firefox. Source: over 2 years ago
Ugly Email for FireFox - Get back your email privacy, block email tracking
Referrer Spam Remover - Remove spam bots from your Google Analytics data
Mailpanion - Track your email clicks & prevent others from tracking you.
Spam Check - A free JSON API to check your email messages' spam scores
Inbox When Ready - Protect your focus... hide your Gmail inbox by default
CanIPhish - Blend social engineering with real-world phishing simulations to train your users how to detect the most advanced threats.All in a completely self-service, fast, free and modern SaaS platform.