diff --git a/static/robots.txt b/static/robots.txt
index 788825d..f9e3759 100644
--- a/static/robots.txt
+++ b/static/robots.txt
@@ -3,10 +3,14 @@ Disallow: /noindex/
 Disallow: /misc/
 
 # I opt out of online advertising so malware that injects ads on my site won't get paid.
-# You should do the same.
+# You should do the same. my ads.txt file contains a standard placeholder to forbid any
+# compliant ad networks from paying for ad placement on my domain.
 User-Agent: Adsbot
 Disallow: /
 Allow: /ads.txt
+Allow: /app-ads.txt
+
+# The next three are borrowed from https://www.videolan.org/robots.txt
 
 # > This robot collects content from the Internet for the sole purpose of # helping educational institutions prevent plagiarism. [...] we compare student papers against the content we find on the Internet to see if we # can find similarities. (http://www.turnitin.com/robot/crawlerinfo.html)
 #  --> fuck off.
@@ -28,6 +32,12 @@ Disallow: /
 User-Agent: BLEXBot
 Disallow: /
 
+# Providing Intellectual Property professionals with superior brand protection services by artfully merging the latest technology with expert analysis. (https://www.checkmarknetwork.com/spider.html/)
+# "The Internet is just way to big to effectively police alone." (ACTUAL quote)
+# --> fuck off.
+User-agent: CheckMarkNetwork/1.0 (+https://www.checkmarknetwork.com/spider.html)
+Disallow: /
+
 # Eat shit, OpenAI.
 User-agent: ChatGPT-User
 Disallow: /