diff --git a/src/config.ts b/src/config.ts
index f25141f2..74bf214d 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -12,6 +12,9 @@ export enum SkipRuleAttribute {
     StartTime = "startTime",
     EndTime = "endTime",
     Duration = "duration",
+    StartTimePercent = "startTimePercent",
+    EndTimePercent = "endTimePercent",
+    DurationPercent = "durationPercent",
     Category = "category",
     Description = "description",
     Source = "source"
diff --git a/src/utils/segmentData.ts b/src/utils/segmentData.ts
index 77f7a83c..bd3ec75a 100644
--- a/src/utils/segmentData.ts
+++ b/src/utils/segmentData.ts
@@ -7,6 +7,7 @@ import { getHashParams } from "./pageUtils";
 import { asyncRequestToServer } from "./requests";
 import { extensionUserAgent } from "../../maze-utils/src";
 import { VideoLabelsCacheData } from "./videoLabels";
+import { getVideoDuration } from "../../maze-utils/src/video";
 
 const segmentDataCache = new DataCache<VideoID, SegmentResponse>(() => {
     return {
@@ -129,6 +130,25 @@ function getSkipRuleValue(segment: SponsorTime | VideoLabelsCacheData, rule: Adv
             return (segment as SponsorTime).segment?.[1];
         case SkipRuleAttribute.Duration:
             return (segment as SponsorTime).segment?.[1] - (segment as SponsorTime).segment?.[0];
+        case SkipRuleAttribute.StartTimePercent: {
+            const startTime = (segment as SponsorTime).segment?.[0];
+            if (startTime === undefined) return undefined;
+
+            return startTime / getVideoDuration() * 100;
+        }
+        case SkipRuleAttribute.EndTimePercent: {
+            const endTime = (segment as SponsorTime).segment?.[1];
+            if (endTime === undefined) return undefined;
+
+            return endTime / getVideoDuration() * 100;
+        }
+        case SkipRuleAttribute.DurationPercent: {
+            const startTime = (segment as SponsorTime).segment?.[0];
+            const endTime = (segment as SponsorTime).segment?.[1];
+            if (startTime === undefined || endTime === undefined) return undefined;
+
+            return (endTime - startTime) / getVideoDuration() * 100;
+        }
         case SkipRuleAttribute.Category:
             return segment.category;
         case SkipRuleAttribute.Description: