Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

subaru.jp

SUBARU オフィシャルWebサイト

Page Load Speed

5.8 sec in total

First Response

70 ms

Resources Loaded

5.3 sec

Page Rendered

451 ms

About Website

Visit subaru.jp now to see the best up-to-date SUBARU content for Japan and also check out these interesting facts you probably never knew about subaru.jp

SUBARU（スバル）の自動車ブランドオフィシャルサイト。レイバック、インプレッサ、クロストレック、フォレスター、レヴォーグなどのクルマの情報やキャンペーン情報をお届けいたします。またスバル販売店の検索やカタログ請求、オンライン見積りなどのサービスもご利用いただけます。

Visit subaru.jp

Key Findings

We analyzed Subaru.jp page load time and found that the first response time was 70 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

subaru.jp performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value63.6 s

0/100

25%

SI (Speed Index)

Value71.8 s

0/100

10%

TBT (Total Blocking Time)

Value7,990 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value85.1 s

0/100

10%

Network Requests Diagram

www.subaru.jp

70 ms

subaru-utility.js

80 ms

reset.css

36 ms

layout.css

83 ms

common_style.css

233 ms

Our browser made a total of 452 requests to load all elements on the main page. We found that 54% of them (245 requests) were addressed to the original Subaru.jp, 44% (198 requests) were made to Scdam.subaru.jp and 1% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Subaru.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (5%)

Content Size

24.8 MB

After Optimization

23.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Subaru.jp main page is 24.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 23.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 161.8 kB

  • Original 205.6 kB
  • After minification 169.5 kB
  • After compression 43.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 36.0 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 161.8 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 607.2 kB

  • Original 23.7 MB
  • After minification 23.1 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. SUBARU images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 284.6 kB

  • Original 587.5 kB
  • After minification 543.9 kB
  • After compression 302.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 284.6 kB or 48% of the original size.

CSS Optimization

-79%

Potential reduce by 255.5 kB

  • Original 325.2 kB
  • After minification 228.3 kB
  • After compression 69.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Subaru.jp needs all CSS files to be minified and compressed as it can save up to 255.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 87 (19%)

Requests Now

451

After Optimization

364

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 451 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SUBARU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 43 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

subaru.jp accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

subaru.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

subaru.jp SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Subaru.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Subaru.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of SUBARU. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: