--- a/exceptionrules/exceptionrules-minimal.txt
+++ b/exceptionrules/exceptionrules-minimal.txt
@@ -1269,16 +1269,17 @@ nicovideo.jp#@##top_ads_box
 nicovideo.jp#@##side_ads
 gamerevolution.com#@#.gpt-ad-wrapper
 percolately.com#@#.tbl-floating-unit
 irishsportsdaily.com,sicem365.com,texags.com#@#.pageAd
 nationalpost.com#@#.vf-promo-gtag
 esportsearnings.com#@#.ad_wide_vertical
 esportsearnings.com#@#.ad_banner
 esportsearnings.com#@#.ad_side_box
+online-python.com#@##sidebar-left-ad
 ! Additional detection
 musescore.com##.pub_728x90
 musescore.com##.pub_300x250m
 musescore.com##.pub_300x250
 ! vesty.co.il#@#.top-ad
 ! Hidden for compliance
 searchenginejournal.com###nng
 searchenginejournal.com###loop_parent