diff --git a/Sandbox/KristerKariTest.txt b/Sandbox/KristerKariTest.txt
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+! Title: Test for kristerkari's uMatrix entries
+! Source: https://github.com/kristerkari/umatrix-recipes
+! Version: 05July2019v1
+
+! Allow Facebook ONLY on Facebook, blocked everywhere else
+* facebook.com * block
+* facebook.net * block
+facebook.com facebook.com * allow
+facebook.com fbcdn.net * allow
+
+! Allow Twitter ONLY on Twitter, blocked everywhere else
+* twitter.com * block
+twitter.com abs.twimg.com script allow
+twitter.com ton.twimg.com script allow
+twitter.com twitter.com * allow
+twitter.com video.twimg.com plugin allow
+twitter.com video.twimg.com xhr allow
+
+! Allow LinkedIn ONLY on LinkedIn, blocked everywhere else
+* linkedin.com * block
+linkedin.com linkedin.com * allow
+linkedin.com static.licdn.com script allow
+linkedin.com static.licdn.com xhr allow
+
+! YouTube incl. login (using accounts.google.com)
+accounts.google.com ssl.gstatic.com xhr allow
+youtube.com googlevideo.com xhr allow
+youtube.com googlevideo.com media allow
+youtube.com s.ytimg.com script allow
+youtube.com www.gstatic.com script allow
+youtube.com ytimg.com image allow
+
+! Twitch incl. login/signup
+twitch.tv google.com image allow
+twitch.tv google.com script allow
+twitch.tv google.com xhr allow
+twitch.tv gstatic.com script allow
+twitch.tv passport-cdn.ttvnw.net script allow
+twitch.tv 0914.global.ssl.fastly.net script allow
+twitch.tv 0914.global.ssl.fastly.net xhr allow
+twitch.tv algolia.net script allow
+twitch.tv algolia.net xhr allow
+twitch.tv algolianet.com script allow
+twitch.tv algolianet.com xhr allow
+twitch.tv polyfill.twitchsvc.net script allow
+twitch.tv s.jtvnw.net image allow
+twitch.tv sctatic.twitchcdn.net script allow
+twitch.tv sentinel.twitchsvc.net xhr allow
+twitch.tv static-cdn.jtvnw.net image allow
+twitch.tv static.twitchcdn.net css allow
+twitch.tv static.twitchcdn.net image allow
+twitch.tv static.twitchcdn.net script allow
+twitch.tv ttvnw.net xhr allow
+twitch.tv web-cdn.ttvnw.net script allow
+
+! Slack
+! Info: User agent spoof does not work reliably at slack.com as the web app checks for browser version from user agent.
+ua-spoof: slack.com false
+slack.com slack-edge.com css allow
+slack.com slack-edge.com image allow
+slack.com slack-edge.com script allow
+slack.com slack-msgs.com xhr allow
+slack.com slack.global.ssl.fastly.net media allow
+slack.com universal.slack-core.com xhr allow
+
+! Dropbox
+dropbox.com 127.0.0.1 xhr allow
+dropbox.com cfl.dropboxstatic.com script allow
+dropbox.com cfl.dropboxstatic.com xhr allow
+dropbox.com dl.dropboxusercontent.com frame allow
+dropbox.com www.dropboxstatic.com script allow
+
+! GitHub
+github.com assets-cdn.github.com css allow
+github.com assets-cdn.github.com image allow
+github.com assets-cdn.github.com script allow
+github.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com xhr allow
+github.com github-production-user-asset-6210df.s3.amazonaws.com xhr allow
+github.com raw.githubusercontent.com xhr allow
+github.com render.githubusercontent.com frame allow
+github.com render.githubusercontent.com script allow
+github.com render.githubusercontent.com xhr allow
+
+! Gitlab
+gitlab.com assets.gitlab-static.net script allow
+
+! Kickstarter
+! 3rd-party services to whitelist: Akamai Content Delivery Network, Amazon Web Services (AWS) S3, Amazon's Cloudfront Content Delivery Network, Imgix Service, Stripe payments
+kickstarter.com a248.e.akamai.net script allow
+kickstarter.com d3mlfyygrfdi2i.cloudfront.net plugin allow
+kickstarter.com js.stripe.com frame allow
+kickstarter.com js.stripe.com script allow
+kickstarter.com ksr-video.imgix.net plugin allow
+kickstarter.com s3.amazonaws.com image allow
+kickstarter.com s3.amazonaws.com plugin allow
+
+! Patreon
+! Info: Uses Google's reCAPTCHA for login; Supports posting Youtube videos
+! 3rd-party services to whitelist: Google's reCAPTCHA, YouTube
+patreon.com cdnjs.cloudflare.com script allow
+patreon.com google.com frame allow
+patreon.com google.com image allow
+patreon.com google.com script allow
+patreon.com google.com xhr allow
+patreon.com googlevideo.com xhr allow
+patreon.com gstatic.com script allow
+patreon.com youtube.com frame allow
+patreon.com youtube.com script allow
+patreon.com youtube.com xhr allow
+
+! Duolingo
+! 3rd-party services to whitelist: Amazon's Cloudfront Content Delivery Network, CNDJS Content Delivery Network
+duolingo.com cdnjs.cloudflare.com script allow
+duolingo.com d1vq87e9lcf771.cloudfront.net media allow
+duolingo.com d35aaqx5ub95lt.cloudfront.net media allow
+duolingo.com d35aaqx5ub95lt.cloudfront.net script allow
+duolingo.com d35aaqx5ub95lt.cloudfront.net xhr allow
+duolingo.com d3kwyfyztuo0xs.cloudfront.net xhr allow
+duolingo.com d7mj4aqfscim2.cloudfront.net media allow
+duolingo.com d7mj4aqfscim2.cloudfront.net script allow
+duolingo.com d7mj4aqfscim2.cloudfront.net xhr allow
+duolingo.com ljknv3sref.execute-api.us-east-1.amazonaws.com xhr allow
+
+! Meetup
+! 3rd-party services to whitelist: Amazon's Cloudfront Content Delivery Network
+meetup.com dna8twue3dlxq.cloudfront.net script allow
+meetup.com secure.meetupstatic.com script allow
+meetup.com secure.meetupstatic.com xhr allow
+
+! AirBnB
+airbnb.com a0.muscache.com script allow
+airbnb.com maps.googleapis.com script allow
+
+! Bandcamp
+bandcamp.com s4.bcbits.com script allow
+bandcamp.com t4.bcbits.com media allow
+
+! SoundCloud
+soundcloud.com a-v2.sndcdn.com script allow
+soundcloud.com a-v2.sndcdn.com xhr allow
+soundcloud.com cf-hls-media.sndcdn.com xhr allow
+soundcloud.com i1.sndcdn.com xhr allow
+soundcloud.com style.sndcdn.com xhr allow
+soundcloud.com wis.sndcdn.com xhr allow