PartsWarehouse Classic

Single preset · measured 6 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Mobile

Speed 64 · 36 points to gain

• −22.8 Largest Contentful Paint medium effort
• −7.6 First Contentful Paint medium effort
• −5.5 Speed Index medium effort

• 460 ms Reduce unused CSS high effort
• 310 ms Reduce unused JavaScript high effort

SEO 54 · 46 points to gain

• −31 Page is blocked from indexing low effort
• −7.7 Links are not crawlable medium effort
• −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 79 · 21 points to gain

• −4.2 Image elements do not have `[alt]` attributes low effort
• −4.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
• −4.2 Select elements do not have associated label elements. medium effort
• −2.9 Links do not have a discernible name medium effort
• −2.9 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
• −1.3 Heading elements are not in a sequentially-descending order medium effort

Best practices 77 · 23 points to gain

• −19.2 Uses deprecated APIs medium effort
• −3.8 Serves images with low resolution low effort

Desktop

Speed 95 · 5 points to gain

• −3.3 Speed Index medium effort
• −1.7 Largest Contentful Paint medium effort

SEO 54 · 46 points to gain

• −31 Page is blocked from indexing low effort
• −7.7 Links are not crawlable medium effort
• −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 80 · 20 points to gain

• −4.2 Image elements do not have `[alt]` attributes low effort
• −4.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
• −4.2 Select elements do not have associated label elements. medium effort
• −2.9 Links do not have a discernible name medium effort
• −2.9 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
• −1.3 Heading elements are not in a sequentially-descending order medium effort

Best practices 81 · 19 points to gain

• −19.2 Uses deprecated APIs medium effort