trivago

https://trivago.com/?from=A2HS&iDisableRedirect=1
Every month 120+ million visitors use trivago to search & compare hotel prices, read reviews & browse photos. Find your ideal hotel deal on trivago.com
Added 4 months ago, Updated 4 hours ago

LIGHTHOUSE 45

Lighthouse version2.3.0
Progressive Web App45
Registers a Service Workertrue
Responds with a 200 when offlinetrue
Contains some content when JavaScript is not availabletrue
Does not use HTTPSfalse
Does not redirect HTTP traffic to HTTPSfalse
Page load is not fast enough on 3Gfalse
User will not be prompted to Install the Web Appfalse
Is not configured for a custom splash screenfalse
Address bar does not match brand colorsfalse
Has a `<meta name="viewport">` tag with `width` or `initial-scale`true
Content is sized correctly for the viewporttrue
Site works cross-browserfalse
Page transitions don't feel like they block on the networkfalse
Each page has a URLfalse
Performance40
First meaningful paint52
First Interactive (beta)39
Consistently Interactive (beta)32
Perceptual Speed Index62
Estimated Input Latency0
Reduce render-blocking stylesheets0
Reduce render-blocking scripts100
Properly size images100
Offscreen images100
Optimize images100
Serve images as WebP100
Enable text compression90
Avoids enormous network payloads100
Avoids an excessive DOM size100
Critical Request Chainsfalse
User Timing marks and measurestrue
Screenshot Thumbnails100
Accessibility86
`[accesskey]` values are unique.true
`[aria-*]` attributes match their roles.true
`[role]`s have all required `[aria-*]` attributes.true
Elements with `[role]` that require specific children `[role]`s, are missing.false
`[role]`s are contained by their required parent element.true
`[role]` values are not valid.false
`[aria-*]` attributes do not have valid values.false
`[aria-*]` attributes are valid and not misspelled.true
`<audio>` elements contain a `<track>` element with `[kind="captions"]`.true
Buttons do not have an accessible name.false
The page contains a heading, skip link, or landmark region.true
Background and foreground colors do not have a sufficient contrast ratio.false
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>` or `<template>` elements.true
Definition list items are wrapped in `<dl>` elements.true
Document has a `<title>` element.true
`[id]` attributes on the page are unique.true
`<frame>` or `<iframe>` elements have a title.true
`<html>` element has a `[lang]` attribute.true
`<html>` element has a valid value for its `[lang]` attribute.true
Image elements have `[alt]` attributes.true
`<input type="image">` elements have `[alt]` text.true
Form elements have associated labels.true
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.true
Links have a discernible name.true
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).true
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements.true
The document does not use `<meta http-equiv="refresh">`.true
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.true
`<object>` elements have `[alt]` text.true
No element has a `[tabindex]` value greater than 0.true
Cells in a `<table>` element that use the `[headers]` attribute only refer to other cells of that same table.true
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.true
`[lang]` attributes have a valid value.true
`<video>` elements contain a `<track>` element with `[kind="captions"]`.true
`<video>` elements contain a `<track>` element with `[kind="description"]`.true
Best Practices69
Avoids Application Cachetrue
Avoids WebSQL DBtrue
Does not use HTTPSfalse
Does not use HTTP/2 for all of its resourcesfalse
Uses passive listeners to improve scrolling performancetrue
Avoids Mutation Events in its own scriptstrue
Uses `document.write()`false
Opens external anchors using `rel="noopener"`true
Avoids requesting the geolocation permission on page loadtrue
Avoids requesting the notification permission on page loadtrue
Avoids deprecated APIstrue
Manifest's `short_name` will be truncated when displayed on homescreenfalse
Allows users to paste into password fieldstrue

WebPageTest

PageSpeed Insights

MANIFEST

{
  "name": "trivago",
  "short_name": "trivago",
  "icons": [
    {
      "src": "favicon_48x48.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "favicon_72x72.png",
      "sizes": "72x72",
      "type": "image/png"
    },
    {
      "src": "favicon_96x96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "favicon_144x144.png",
      "sizes": "144x144",
      "type": "image/png"
    },
    {
      "src": "favicon_192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "favicon_512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "background_color": "#ffffff",
  "display": "standalone",
  "theme_color": "#ffffff",
  "start_url": "/?from=A2HS&iDisableRedirect=1",
  "orientation": "portrait"
}