diff --git a/src/components/RequestBreakdown.module.css b/src/components/RequestBreakdown.module.css
index 9d02f0f..95451cd 100644
--- a/src/components/RequestBreakdown.module.css
+++ b/src/components/RequestBreakdown.module.css
@@ -93,7 +93,7 @@
 
 .tableHeader {
   display: grid;
-  grid-template-columns: 2fr 1fr 1fr 1.5fr 1.5fr 1.5fr;
+  grid-template-columns: 2fr 1fr 1fr 1.5fr 1fr 1.5fr 1fr 1.5fr;
   gap: 16px;
   padding: 16px 20px;
   background: #f8f9fa;
@@ -107,7 +107,7 @@
 
 .tableRow {
   display: grid;
-  grid-template-columns: 2fr 1fr 1fr 1.5fr 1.5fr 1.5fr;
+  grid-template-columns: 2fr 1fr 1fr 1.5fr 1fr 1.5fr 1fr 1.5fr;
   gap: 16px;
   padding: 16px 20px;
   border-bottom: 1px solid #f0f0f0;
@@ -178,7 +178,7 @@
   }
 
   .tableHeader, .tableRow {
-    grid-template-columns: 1.5fr 0.8fr 0.8fr 1fr 1fr 1fr;
+    grid-template-columns: 1.5fr 0.8fr 0.8fr 1fr 0.8fr 1fr 0.8fr 1fr;
     gap: 8px;
     padding: 12px 15px;
     font-size: 13px;
diff --git a/src/components/RequestBreakdown.tsx b/src/components/RequestBreakdown.tsx
index 82450d8..a9b691a 100644
--- a/src/components/RequestBreakdown.tsx
+++ b/src/components/RequestBreakdown.tsx
@@ -26,8 +26,10 @@ interface CategoryBreakdown {
   count: number
   percentage: number
   totalSize: number
-  averageResponseTime: number
+  sizePercentage: number
   totalResponseTime: number
+  responseTimePercentage: number
+  averageResponseTime: number
 }
 
 const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
@@ -93,6 +95,15 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
       typeMap.get(type)!.push(req)
     })
 
+    // Calculate total size and response time across all requests for percentage calculations
+    const totalAllSize = httpRequests.reduce((sum, req) => {
+      return sum + (req.contentLength || req.encodedDataLength || 0)
+    }, 0)
+
+    const totalAllResponseTime = httpRequests.reduce((sum, req) => {
+      return sum + (req.timing.totalResponseTime || 0)
+    }, 0)
+
     return Array.from(typeMap.entries()).map(([type, requests]) => {
       const totalSize = requests.reduce((sum, req) => {
         return sum + (req.contentLength || req.encodedDataLength || 0)
@@ -107,8 +118,10 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
         count: requests.length,
         percentage: (requests.length / httpRequests.length) * 100,
         totalSize,
-        averageResponseTime: totalResponseTime / requests.length,
-        totalResponseTime
+        sizePercentage: totalAllSize > 0 ? (totalSize / totalAllSize) * 100 : 0,
+        totalResponseTime,
+        responseTimePercentage: totalAllResponseTime > 0 ? (totalResponseTime / totalAllResponseTime) * 100 : 0,
+        averageResponseTime: totalResponseTime / requests.length
       }
     }).sort((a, b) => b.count - a.count)
   }, [httpRequests])
@@ -124,6 +137,15 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
       statusMap.get(status)!.push(req)
     })
 
+    // Calculate total size and response time across all requests for percentage calculations
+    const totalAllSize = httpRequests.reduce((sum, req) => {
+      return sum + (req.contentLength || req.encodedDataLength || 0)
+    }, 0)
+
+    const totalAllResponseTime = httpRequests.reduce((sum, req) => {
+      return sum + (req.timing.totalResponseTime || 0)
+    }, 0)
+
     return Array.from(statusMap.entries()).map(([status, requests]) => {
       const totalSize = requests.reduce((sum, req) => {
         return sum + (req.contentLength || req.encodedDataLength || 0)
@@ -138,8 +160,10 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
         count: requests.length,
         percentage: (requests.length / httpRequests.length) * 100,
         totalSize,
-        averageResponseTime: totalResponseTime / requests.length,
-        totalResponseTime
+        sizePercentage: totalAllSize > 0 ? (totalSize / totalAllSize) * 100 : 0,
+        totalResponseTime,
+        responseTimePercentage: totalAllResponseTime > 0 ? (totalResponseTime / totalAllResponseTime) * 100 : 0,
+        averageResponseTime: totalResponseTime / requests.length
       }
     }).sort((a, b) => b.count - a.count)
   }, [httpRequests])
@@ -155,6 +179,15 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
       hostMap.get(hostname)!.push(req)
     })
 
+    // Calculate total size and response time across all requests for percentage calculations
+    const totalAllSize = httpRequests.reduce((sum, req) => {
+      return sum + (req.contentLength || req.encodedDataLength || 0)
+    }, 0)
+
+    const totalAllResponseTime = httpRequests.reduce((sum, req) => {
+      return sum + (req.timing.totalResponseTime || 0)
+    }, 0)
+
     return Array.from(hostMap.entries()).map(([hostname, requests]) => {
       const totalSize = requests.reduce((sum, req) => {
         return sum + (req.contentLength || req.encodedDataLength || 0)
@@ -169,8 +202,10 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
         count: requests.length,
         percentage: (requests.length / httpRequests.length) * 100,
         totalSize,
-        averageResponseTime: totalResponseTime / requests.length,
-        totalResponseTime
+        sizePercentage: totalAllSize > 0 ? (totalSize / totalAllSize) * 100 : 0,
+        totalResponseTime,
+        responseTimePercentage: totalAllResponseTime > 0 ? (totalResponseTime / totalAllResponseTime) * 100 : 0,
+        averageResponseTime: totalResponseTime / requests.length
       }
     }).sort((a, b) => b.count - a.count)
   }, [httpRequests])
@@ -241,9 +276,11 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
           <div className={styles.tableHeader}>
             <span>Type</span>
             <span>Count</span>
-            <span>Percentage</span>
+            <span>Count %</span>
             <span>Total Size</span>
+            <span>Size %</span>
             <span>Total Response Time</span>
+            <span>Response Time %</span>
             <span>Avg Response Time</span>
           </div>
           {resourceTypeBreakdown.map(item => (
@@ -260,7 +297,25 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
                 </div>
               </div>
               <span>{formatSize(item.totalSize)}</span>
+              <div className={styles.percentageCell}>
+                <span>{item.sizePercentage.toFixed(1)}%</span>
+                <div className={styles.progressBar}>
+                  <div 
+                    className={styles.progressFill}
+                    style={{ width: `${item.sizePercentage}%` }}
+                  ></div>
+                </div>
+              </div>
               <span>{formatDuration(item.totalResponseTime)}</span>
+              <div className={styles.percentageCell}>
+                <span>{item.responseTimePercentage.toFixed(1)}%</span>
+                <div className={styles.progressBar}>
+                  <div 
+                    className={styles.progressFill}
+                    style={{ width: `${item.responseTimePercentage}%` }}
+                  ></div>
+                </div>
+              </div>
               <span>{formatDuration(item.averageResponseTime)}</span>
             </div>
           ))}
@@ -274,9 +329,11 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
           <div className={styles.tableHeader}>
             <span>Status</span>
             <span>Count</span>
-            <span>Percentage</span>
+            <span>Count %</span>
             <span>Total Size</span>
+            <span>Size %</span>
             <span>Total Response Time</span>
+            <span>Response Time %</span>
             <span>Avg Response Time</span>
           </div>
           {statusCodeBreakdown.map(item => (
@@ -293,7 +350,25 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
                 </div>
               </div>
               <span>{formatSize(item.totalSize)}</span>
+              <div className={styles.percentageCell}>
+                <span>{item.sizePercentage.toFixed(1)}%</span>
+                <div className={styles.progressBar}>
+                  <div 
+                    className={styles.progressFill}
+                    style={{ width: `${item.sizePercentage}%` }}
+                  ></div>
+                </div>
+              </div>
               <span>{formatDuration(item.totalResponseTime)}</span>
+              <div className={styles.percentageCell}>
+                <span>{item.responseTimePercentage.toFixed(1)}%</span>
+                <div className={styles.progressBar}>
+                  <div 
+                    className={styles.progressFill}
+                    style={{ width: `${item.responseTimePercentage}%` }}
+                  ></div>
+                </div>
+              </div>
               <span>{formatDuration(item.averageResponseTime)}</span>
             </div>
           ))}
@@ -307,9 +382,11 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
           <div className={styles.tableHeader}>
             <span>Hostname</span>
             <span>Count</span>
-            <span>Percentage</span>
+            <span>Count %</span>
             <span>Total Size</span>
+            <span>Size %</span>
             <span>Total Response Time</span>
+            <span>Response Time %</span>
             <span>Avg Response Time</span>
           </div>
           {hostnameBreakdown.slice(0, 10).map(item => (
@@ -326,7 +403,25 @@ const RequestBreakdown: React.FC<RequestBreakdownProps> = ({ traceId }) => {
                 </div>
               </div>
               <span>{formatSize(item.totalSize)}</span>
+              <div className={styles.percentageCell}>
+                <span>{item.sizePercentage.toFixed(1)}%</span>
+                <div className={styles.progressBar}>
+                  <div 
+                    className={styles.progressFill}
+                    style={{ width: `${item.sizePercentage}%` }}
+                  ></div>
+                </div>
+              </div>
               <span>{formatDuration(item.totalResponseTime)}</span>
+              <div className={styles.percentageCell}>
+                <span>{item.responseTimePercentage.toFixed(1)}%</span>
+                <div className={styles.progressBar}>
+                  <div 
+                    className={styles.progressFill}
+                    style={{ width: `${item.responseTimePercentage}%` }}
+                  ></div>
+                </div>
+              </div>
               <span>{formatDuration(item.averageResponseTime)}</span>
             </div>
           ))}