DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
79 lines
2.8 KiB
Text
79 lines
2.8 KiB
Text
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import {Audit} from './audit.js';
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import {MainThreadTasks} from '../computed/main-thread-tasks.js';
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import {NetworkRecords} from '../computed/network-records.js';
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import {NetworkAnalysis} from '../computed/network-analysis.js';
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import {MainResource} from '../computed/main-resource.js';
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class Diagnostics extends Audit {
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/**
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* @return {LH.Audit.Meta}
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*/
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static get meta() {
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return {
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id: 'diagnostics',
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scoreDisplayMode: Audit.SCORING_MODES.INFORMATIVE,
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title: 'Diagnostics',
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description: 'Collection of useful page vitals.',
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supportedModes: ['navigation'],
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requiredArtifacts: ['URL', 'Trace', 'DevtoolsLog'],
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};
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}
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/**
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* @param {LH.Artifacts} artifacts
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* @param {LH.Audit.Context} context
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* @return {Promise<LH.Audit.Product>}
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*/
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static async audit(artifacts, context) {
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const trace = artifacts.Trace;
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const devtoolsLog = artifacts.DevtoolsLog;
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const tasks = await MainThreadTasks.request(trace, context);
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const records = await NetworkRecords.request(devtoolsLog, context);
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const analysis = await NetworkAnalysis.request(devtoolsLog, context);
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const mainResource = await MainResource.request({devtoolsLog, URL: artifacts.URL}, context);
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const toplevelTasks = tasks.filter(t => !t.parent);
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const mainDocumentTransferSize = mainResource.transferSize;
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const totalByteWeight = records.reduce((sum, r) => sum + (r.transferSize || 0), 0);
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const totalTaskTime = toplevelTasks.reduce((sum, t) => sum + (t.duration || 0), 0);
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const maxRtt = Math.max(...analysis.additionalRttByOrigin.values()) + analysis.rtt;
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const maxServerLatency = Math.max(...analysis.serverResponseTimeByOrigin.values());
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const diagnostics = {
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numRequests: records.length,
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numScripts: records.filter(r => r.resourceType === 'Script').length,
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numStylesheets: records.filter(r => r.resourceType === 'Stylesheet').length,
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numFonts: records.filter(r => r.resourceType === 'Font').length,
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numTasks: toplevelTasks.length,
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numTasksOver10ms: toplevelTasks.filter(t => t.duration > 10).length,
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numTasksOver25ms: toplevelTasks.filter(t => t.duration > 25).length,
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numTasksOver50ms: toplevelTasks.filter(t => t.duration > 50).length,
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numTasksOver100ms: toplevelTasks.filter(t => t.duration > 100).length,
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numTasksOver500ms: toplevelTasks.filter(t => t.duration > 500).length,
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rtt: analysis.rtt,
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throughput: analysis.throughput,
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maxRtt,
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maxServerLatency,
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totalByteWeight,
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totalTaskTime,
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mainDocumentTransferSize,
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};
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return {
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score: 1,
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details: {
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type: 'debugdata',
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// TODO: Consider not nesting diagnostics under `items`.
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items: [diagnostics],
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},
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};
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}
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}
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export default Diagnostics;
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