diff --git a/src/package-lock.json b/src/package-lock.json
index 4094a3c8485..d315b74da01 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -21,7 +21,7 @@
         "run-script-os": "1.1.6",
         "showdown": "2.1.0",
         "smartypants": "0.2.2",
-        "web-vitals": "4.2.4",
+        "web-vitals": "5.0.0",
         "xml-js": "1.6.11"
       }
     },
@@ -1881,9 +1881,9 @@
       }
     },
     "node_modules/web-vitals": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/web-vitals/-/web-vitals-4.2.4.tgz",
-      "integrity": "sha512-r4DIlprAGwJ7YM11VZp4R884m0Vmgr6EAKe3P+kO0PPj3Unqyvv59rczf6UiGcb9Z8QxZVcqKNwv/g0WNdWwsw==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/web-vitals/-/web-vitals-5.0.0.tgz",
+      "integrity": "sha512-yuayYLYyO4QdqB7YriMtUZxCIsUbcpZLnoPCJXocLvTRcAh/Jz2rgqsHrh9Oz/NHApB/Somd05NMsuhJV3YcLQ==",
       "dev": true,
       "license": "Apache-2.0"
     },
diff --git a/src/package.json b/src/package.json
index 1294225f4ec..a6f974be471 100644
--- a/src/package.json
+++ b/src/package.json
@@ -47,7 +47,7 @@
     "run-script-os": "1.1.6",
     "showdown": "2.1.0",
     "smartypants": "0.2.2",
-    "web-vitals": "4.2.4",
+    "web-vitals": "5.0.0",
     "xml-js": "1.6.11"
   }
 }
diff --git a/src/static/js/send-web-vitals.js b/src/static/js/send-web-vitals.js
index f2ac44f8996..ad5a650f9a7 100644
--- a/src/static/js/send-web-vitals.js
+++ b/src/static/js/send-web-vitals.js
@@ -2,64 +2,14 @@
 
 function sendWebVitals() {
 
-  function getLoafAttribution(attribution) {
-    const loafEntriesLength = attribution?.longAnimationFrameEntries?.length || 0;
-    if (loafEntriesLength === 0) {
-      return {};
-    }
-
-    let loafAttribution = {
-      debug_loaf_script_total_duration: 0
-    };
-
-    // The last LoAF entry is usually the most relevant.
-    const loaf = attribution.longAnimationFrameEntries.at(-1);
-    const loafEndTime = loaf.startTime + loaf.duration;
-    loaf.scripts.forEach(script => {
-      if (script.duration <= loafAttribution.debug_loaf_script_total_duration) {
-        return;
-      }
-      loafAttribution = {
-        // Stats for the LoAF entry itself.
-        debug_loaf_entry_start_time: loaf.startTime,
-        debug_loaf_entry_end_time: loafEndTime,
-        debug_loaf_entry_work_duration: loaf.renderStart ? loaf.renderStart - loaf.startTime : loaf.duration,
-        debug_loaf_entry_render_duration: loaf.renderStart ? loafEndTime - loaf.renderStart : 0,
-        debug_loaf_entry_total_forced_style_and_layout_duration: loaf.scripts.reduce((sum, script) => sum + script.forcedStyleAndLayoutDuration, 0),
-        debug_loaf_entry_pre_layout_duration: loaf.styleAndLayoutStart ? loaf.styleAndLayoutStart - loaf.renderStart : 0,
-        debug_loaf_entry_style_and_layout_duration: loaf.styleAndLayoutStart ? loafEndTime - loaf.styleAndLayoutStart : 0,
-
-        // Stats for the longest script in the LoAF entry.
-        debug_loaf_script_total_duration: script.duration,
-        debug_loaf_script_compile_duration: script.executionStart - script.startTime,
-        debug_loaf_script_exec_duration: script.startTime + script.duration - script.executionStart,
-        debug_loaf_script_forced_style_and_layout_duration: script.forcedStyleAndLayoutDuration,
-        debug_loaf_script_type: script.invokerType,
-        debug_loaf_script_invoker: script.invoker,
-        debug_loaf_script_source_url: script.sourceURL,
-        debug_loaf_script_source_function_name: script.sourceFunctionName,
-        debug_loaf_script_source_char_position: script.sourceCharPosition,
-
-        // LoAF metadata.
-        debug_loaf_meta_length: loafEntriesLength,
-      }
-    });
-
-    if (!loafAttribution.debug_loaf_script_total_duration) {
-      return {};
-    }
-
-    // The LoAF script with the single longest total duration.
-    return Object.fromEntries(Object.entries(loafAttribution).map(([k, v]) => {
-      // Convert all floats to ints.
-      return [k, typeof v == 'number' ? Math.floor(v) : v];
-    }));
-  }
-
   function sendWebVitalsGAEvents({name, delta, value, id, attribution, navigationType}) {
 
     let overrides = {};
 
+    function roundIfNotNull(x) {
+      return x != null ? Math.round(x) : null;
+    }
+
     switch (name) {
       case 'CLS':
         overrides = {
@@ -76,18 +26,24 @@ function sendWebVitals() {
           debug_target: attribution.loadState || '(not set)',
         };
         break;
-      case 'FID':
       case 'INP': {
-        const loafAttribution = getLoafAttribution(attribution);
         overrides = {
           debug_event: attribution.interactionType,
-          debug_time: Math.round(attribution.interactionTime),
+          debug_time: roundIfNotNull(attribution.interactionTime),
           debug_load_state: attribution.loadState,
           debug_target: attribution.interactionTarget || '(not set)',
-          debug_interaction_delay: Math.round(attribution.inputDelay),
-          debug_processing_duration: Math.round(attribution.processingDuration),
-          debug_presentation_delay:  Math.round(attribution.presentationDelay),
-          ...loafAttribution
+          debug_interaction_delay: roundIfNotNull(attribution.inputDelay),
+          debug_processing_duration: roundIfNotNull(attribution.processingDuration),
+          debug_presentation_delay:  roundIfNotNull(attribution.presentationDelay),
+          debug_totalPaintDuration: roundIfNotNull(attribution.totalPaintDuration),
+          debug_totalScriptDuration: roundIfNotNull(attribution.totalScriptDuration),
+          debug_totalStyleAndLayoutDuration: roundIfNotNull(attribution.totalStyleAndLayoutDuration),
+          debug_totalUnattributedDuration: roundIfNotNull(attribution.totalUnattributedDuration),
+          debug_longestScriptIntersectingDuration: roundIfNotNull(attribution.longestScript?.intersectingDuration),
+          debug_longestScriptSubPart: attribution.longestScript?.subpart || null,
+          debug_longestScriptInvoker: attribution.longestScript?.entry.invoker || null,
+          debug_longestScriptInvokerType: attribution.longestScript?.entry.invokerType || null,
+          debug_longestScriptName: attribution.longestScript?.entry.name || null,
         };
         break;
       }
@@ -98,7 +54,7 @@ function sendWebVitals() {
           debug_resource_load_delay: attribution.resourceLoadDelay,
           debug_resource_load_time: attribution.resourceLoadTime,
           debug_element_render_delay: attribution.elementRenderDelay,
-          debug_target: attribution.element || '(not set)',
+          debug_target: attribution.target || '(not set)',
         };
         break;
       case 'TTFB':
@@ -163,7 +119,6 @@ function sendWebVitals() {
     webVitals.onLCP(sendWebVitalsGAEvents);
     webVitals.onCLS(sendWebVitalsGAEvents);
     webVitals.onTTFB(sendWebVitalsGAEvents);
-    webVitals.onFID(sendWebVitalsGAEvents);
     webVitals.onINP(sendWebVitalsGAEvents);
   } else {
     console.error('Web Vitals is not loaded!!');