diff --git a/core/lib/lantern/page-dependency-graph.js b/core/lib/lantern/page-dependency-graph.js
index 5e836222002c..e745dfe3111c 100644
--- a/core/lib/lantern/page-dependency-graph.js
+++ b/core/lib/lantern/page-dependency-graph.js
@@ -880,7 +880,7 @@ class PageDependencyGraph {
   /**
    * @param {LH.Trace} trace
    * @param {LH.Artifacts.TraceEngineResult} traceEngineResult
-   * @param {LH.Artifacts.URL} URL
+   * @param {LH.Artifacts.URL=} URL
    */
   static async createGraphFromTrace(trace, traceEngineResult, URL) {
     const mainThreadEvents = this._collectMainThreadEvents(trace, traceEngineResult);
@@ -971,8 +971,24 @@ class PageDependencyGraph {
     // above.
     lanternRequests.sort((a, b) => a.rendererStartTime - b.rendererStartTime);
 
+    // URL defines the initial request that the Lantern graph starts at (the root node) and the
+    // main document request. These are equal if there are no redirects.
+    if (!URL) {
+      URL = {
+        requestedUrl: lanternRequests[0].url,
+        mainDocumentUrl: '',
+        finalDisplayedUrl: '',
+      };
+
+      let request = lanternRequests[0];
+      while (request.redirectDestination) {
+        request = request.redirectDestination;
+      }
+      URL.mainDocumentUrl = request.url;
+    }
+
     const graph = PageDependencyGraph.createGraph(mainThreadEvents, lanternRequests, URL);
-    return {graph, records: lanternRequests};
+    return {graph, requests: lanternRequests};
   }
 
   /**
diff --git a/core/test/lib/lantern/metrics/first-contentful-paint-test.js b/core/test/lib/lantern/metrics/first-contentful-paint-test.js
index edbc56f205eb..f16dec85203f 100644
--- a/core/test/lib/lantern/metrics/first-contentful-paint-test.js
+++ b/core/test/lib/lantern/metrics/first-contentful-paint-test.js
@@ -11,11 +11,10 @@ import {readJson} from '../../../test-utils.js';
 import {getComputationDataFromFixture} from './metric-test-utils.js';
 
 const trace = readJson('../../../fixtures/artifacts/progressive-app/trace.json', import.meta);
-const devtoolsLog = readJson('../../../fixtures/artifacts/progressive-app/devtoolslog.json', import.meta);
 
 describe('Metrics: Lantern FCP', () => {
   it('should compute predicted value', async () => {
-    const data = await getComputationDataFromFixture({trace, devtoolsLog});
+    const data = await getComputationDataFromFixture({trace});
     const result = await FirstContentfulPaint.compute(data);
 
     expect({
@@ -30,7 +29,7 @@ describe('Metrics: Lantern FCP', () => {
   });
 
   it('should handle negative request networkEndTime', async () => {
-    const data = await getComputationDataFromFixture({trace, devtoolsLog});
+    const data = await getComputationDataFromFixture({trace});
     data.graph.request.networkEndTime = -1;
     const result = await FirstContentfulPaint.compute(data);
 
diff --git a/core/test/lib/lantern/metrics/interactive-test.js b/core/test/lib/lantern/metrics/interactive-test.js
index 5b47c42980bd..97ce903f481e 100644
--- a/core/test/lib/lantern/metrics/interactive-test.js
+++ b/core/test/lib/lantern/metrics/interactive-test.js
@@ -13,13 +13,11 @@ import {getComputationDataFromFixture} from './metric-test-utils.js';
 import {readJson} from '../../../test-utils.js';
 
 const trace = readJson('../../../fixtures/artifacts/progressive-app/trace.json', import.meta);
-const devtoolsLog = readJson('../../../fixtures/artifacts/progressive-app/devtoolslog.json', import.meta);
 const iframeTrace = readJson('../../../fixtures/artifacts/iframe/trace.json', import.meta);
-const iframeDevtoolsLog = readJson('../../../fixtures/artifacts/iframe/devtoolslog.json', import.meta);
 
 describe('Metrics: Lantern TTI', () => {
   it('should compute predicted value', async () => {
-    const data = await getComputationDataFromFixture({trace, devtoolsLog});
+    const data = await getComputationDataFromFixture({trace});
     const result = await Interactive.compute(data, {
       lcpResult: await LargestContentfulPaint.compute(data, {
         fcpResult: await FirstContentfulPaint.compute(data),
@@ -40,7 +38,6 @@ describe('Metrics: Lantern TTI', () => {
   it('should compute predicted value on iframes with substantial layout', async () => {
     const data = await getComputationDataFromFixture({
       trace: iframeTrace,
-      devtoolsLog: iframeDevtoolsLog,
     });
     const result = await Interactive.compute(data, {
       lcpResult: await LargestContentfulPaint.compute(data, {
diff --git a/core/test/lib/lantern/metrics/lantern-largest-contentful-paint-test.js b/core/test/lib/lantern/metrics/lantern-largest-contentful-paint-test.js
index 540d9008e410..03d0f58aff0d 100644
--- a/core/test/lib/lantern/metrics/lantern-largest-contentful-paint-test.js
+++ b/core/test/lib/lantern/metrics/lantern-largest-contentful-paint-test.js
@@ -12,11 +12,10 @@ import {getComputationDataFromFixture} from './metric-test-utils.js';
 import {readJson} from '../../../test-utils.js';
 
 const trace = readJson('../../../fixtures/artifacts/paul/trace.json', import.meta);
-const devtoolsLog = readJson('../../../fixtures/artifacts/paul/devtoolslog.json', import.meta);
 
 describe('Metrics: Lantern LCP', () => {
   it('should compute predicted value', async () => {
-    const data = await getComputationDataFromFixture({trace, devtoolsLog});
+    const data = await getComputationDataFromFixture({trace});
     const result = await LargestContentfulPaint.compute(data, {
       fcpResult: await FirstContentfulPaint.compute(data),
     });
diff --git a/core/test/lib/lantern/metrics/metric-test-utils.js b/core/test/lib/lantern/metrics/metric-test-utils.js
index 09ada786be61..d7cdacf332c8 100644
--- a/core/test/lib/lantern/metrics/metric-test-utils.js
+++ b/core/test/lib/lantern/metrics/metric-test-utils.js
@@ -10,26 +10,24 @@ import {PageDependencyGraph} from '../../../../lib/lantern/page-dependency-graph
 import {NetworkAnalyzer} from '../../../../lib/lantern/simulator/network-analyzer.js';
 import {Simulator} from '../../../../lib/lantern/simulator/simulator.js';
 import * as Lantern from '../../../../lib/lantern/types/lantern.js';
-import {getURLArtifactFromDevtoolsLog} from '../../../test-utils.js';
 
 /** @typedef {Lantern.NetworkRequest<import('@paulirish/trace_engine/models/trace/types/TraceEvents.js').SyntheticNetworkRequest>} NetworkRequest */
 
 // TODO(15841): remove usage of Lighthouse code to create test data
 
 /**
- * @param {{trace: LH.Trace, devtoolsLog: LH.DevtoolsLog, settings?: LH.Config.Settings, URL?: LH.Artifacts.URL}} opts
+ * @param {{trace: LH.Trace, settings?: LH.Config.Settings, URL?: LH.Artifacts.URL}} opts
  */
-async function getComputationDataFromFixture({trace, devtoolsLog, settings, URL}) {
+async function getComputationDataFromFixture({trace, settings, URL}) {
   settings = settings ?? /** @type {LH.Config.Settings} */({});
   if (!settings.throttlingMethod) settings.throttlingMethod = 'simulate';
-  if (!URL) URL = getURLArtifactFromDevtoolsLog(devtoolsLog);
 
   const context = {settings, computedCache: new Map()};
   const traceEngineResult = await TraceEngineResult.request({trace}, context);
-  const {graph, records} =
+  const {graph, requests} =
     await PageDependencyGraph.createGraphFromTrace(trace, traceEngineResult, URL);
   const processedNavigation = createProcessedNavigation(traceEngineResult);
-  const networkAnalysis = NetworkAnalyzer.analyze(records);
+  const networkAnalysis = NetworkAnalyzer.analyze(requests);
   const simulator = Simulator.createSimulator({...settings, networkAnalysis});
 
   return {simulator, graph, processedNavigation};
diff --git a/core/test/lib/lantern/metrics/speed-index-test.js b/core/test/lib/lantern/metrics/speed-index-test.js
index be946bd9d2da..ea2c98425e79 100644
--- a/core/test/lib/lantern/metrics/speed-index-test.js
+++ b/core/test/lib/lantern/metrics/speed-index-test.js
@@ -13,14 +13,13 @@ import {getComputationDataFromFixture} from './metric-test-utils.js';
 import {Speedline} from '../../../../computed/speedline.js';
 
 const trace = readJson('../../../fixtures/artifacts/progressive-app/trace.json', import.meta);
-const devtoolsLog = readJson('../../../fixtures/artifacts/progressive-app/devtoolslog.json', import.meta);
 
 const defaultThrottling = constants.throttling.mobileSlow4G;
 
 describe('Metrics: Lantern Speed Index', () => {
   it('should compute predicted value', async () => {
     const context = {computedCache: new Map()};
-    const data = await getComputationDataFromFixture({trace, devtoolsLog});
+    const data = await getComputationDataFromFixture({trace});
     const result = await SpeedIndex.compute(data, {
       fcpResult: await FirstContentfulPaint.compute(data),
       speedline: await Speedline.request(trace, context),
@@ -42,7 +41,7 @@ Object {
   it('should compute predicted value for different settings', async () => {
     const settings = {throttlingMethod: 'simulate', throttling: {...defaultThrottling, rttMs: 300}};
     const context = {computedCache: new Map()};
-    const data = await getComputationDataFromFixture({trace, devtoolsLog, settings});
+    const data = await getComputationDataFromFixture({trace, settings});
     const result = await SpeedIndex.compute(data, {
       fcpResult: await FirstContentfulPaint.compute(data),
       speedline: await Speedline.request(trace, context),