A #WebPrivacy tip.
Most web pages use third-party stuff somehow; web fonts, images, videos, JavaScript. It can be useful (and eye-opening for you, the page developer) to see what these things actually do. Do you know about Content-Security-Policy-Report-Only? #stuartwriting 1/6
A #WebPrivacy tip.
When you embed a resource from somewhere else on your website -- a video, a tweet, an image, whatever -- you're also aiding the source of that info to track your users around the internet. It's your job to help avoid that. #stuartwriting 1/4
A #WebPrivacy tip.
Fingerprinting is the act of trying to covertly identify a user or distinguish one user from another by reading stuff about their setup. Web sites and web browsers can do this, and your job as a developer is to protect your users from it. #stuartwriting 1/5
A #WebPrivacy tip.
Since the beginning, web browsers have sent a description of themselves with every page: the User-Agent. For nearly as long web devs have been begged to not use the UA to change stuff per browser, and for all that time devs did it anyway #stuartwriting 1/4