diff --git a/Tests/LibWeb/TestConfig.ini b/Tests/LibWeb/TestConfig.ini
index 317ee591be1..897752efb5a 100644
--- a/Tests/LibWeb/TestConfig.ini
+++ b/Tests/LibWeb/TestConfig.ini
@@ -1,14 +1,21 @@
 [Skipped]
+; Consistently hang on macOS, see #1306
+Text/input/HTML/cross-origin-window-properties.html
+Text/input/HTML/DedicatedWorkerGlobalScope-instanceof.html
+Text/input/window-scrollTo.html
+
+; Flaky on CI
 Ref/input/css-keyframe-fill-forwards.html
 Ref/input/unicode-range.html
 Text/input/Crypto/SubtleCrypto-exportKey.html
 Text/input/Crypto/SubtleCrypto-generateKey.html
 Text/input/css/cubic-bezier-infinite-slope-crash.html
 Text/input/css/transition-basics.html
-Text/input/HTML/cross-origin-window-properties.html
-Text/input/HTML/DedicatedWorkerGlobalScope-instanceof.html
+
+; Flaky on CI, see #19
 Text/input/WebAnimations/misc/DocumentTimeline.html
-Text/input/window-scrollTo.html
+
+; Worker tests are flaky on CI
 Text/input/Worker/Worker-blob.html
 Text/input/Worker/Worker-close-after-postMessage.html
 Text/input/Worker/Worker-crypto.html
@@ -18,7 +25,11 @@ Text/input/Worker/Worker-location.html
 Text/input/Worker/Worker-module.html
 Text/input/Worker/Worker-performance.html
 Text/input/Worker/Worker-postMessage-transfer.html
+
+; Too slow for GCC CI
 Text/input/wpt-import/css/css-flexbox/abspos/position-absolute-001.html
+
+; Skipped due to assertion failures
 Text/input/wpt-import/html/syntax/parsing/html5lib_entities01.html
 Text/input/wpt-import/html/syntax/parsing/html5lib_innerHTML_tests_innerHTML_1.html
 Text/input/wpt-import/html/syntax/parsing/html5lib_plain-text-unsafe.html
@@ -35,6 +46,8 @@ Text/input/wpt-import/html/syntax/parsing/named-character-references.html
 Text/input/wpt-import/html/syntax/parsing/support/no-doctype-name-eof.html
 Text/input/wpt-import/html/syntax/parsing/support/no-doctype-name-line.html
 Text/input/wpt-import/html/syntax/parsing/support/no-doctype-name-space.html
+
+; Unknown, imported as skipped in #2148
 Text/input/wpt-import/html/infrastructure/safe-passing-of-structured-data/structuredclone_0.html
 Text/input/wpt-import/html/infrastructure/safe-passing-of-structured-data/resources/echo-iframe.html
 Text/input/wpt-import/html/infrastructure/safe-passing-of-structured-data/resources/iframe-resizable-arraybuffer-helper.html