Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

prius.hitachi.co.jp

Prius World : 日立

Page Load Speed

4.1 sec in total

First Response

858 ms

Resources Loaded

3.1 sec

Page Rendered

196 ms

prius.hitachi.co.jp screenshot

About Website

Welcome to prius.hitachi.co.jp homepage info - get ready to check Prius Hitachi best content for Japan right away, or after learning these important things about prius.hitachi.co.jp

日立は、電機メーカーとして、情報・通信システム、マルチメディア関連機器、家電品、電子デバイス、電力・エネルギーシステム、環境・公共システム、産業機器などの幅広い製品・サービスを提供し、地球レベルでの事業を展開しています。

Visit prius.hitachi.co.jp

Key Findings

We analyzed Prius.hitachi.co.jp page load time and found that the first response time was 858 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

prius.hitachi.co.jp performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

prius.hitachi.co.jp

858 ms

set_default.css

331 ms

special.css

333 ms

top.css

485 ms

header_search.js

334 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Prius.hitachi.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Prius.hitachi.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.5 kB (40%)

Content Size

303.6 kB

After Optimization

181.1 kB

In fact, the total size of Prius.hitachi.co.jp main page is 303.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 171.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.0 kB

  • Original 23.3 kB
  • After minification 19.6 kB
  • After compression 5.2 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 3.6 kB, which is 16% 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 18.0 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 9.1 kB

  • Original 171.8 kB
  • After minification 162.7 kB

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. Prius Hitachi images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 10.5 kB

  • Original 13.4 kB
  • After minification 8.6 kB
  • After compression 2.9 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 10.5 kB or 78% of the original size.

CSS Optimization

-89%

Potential reduce by 84.8 kB

  • Original 95.2 kB
  • After minification 62.0 kB
  • After compression 10.4 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. Prius.hitachi.co.jp needs all CSS files to be minified and compressed as it can save up to 84.8 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (56%)

Requests Now

43

After Optimization

19

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prius Hitachi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

prius.hitachi.co.jp accessibility score

77

Accessibility Issues

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Form elements do not have associated labels

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

prius.hitachi.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

prius.hitachi.co.jp SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prius.hitachi.co.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 Prius.hitachi.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Prius Hitachi. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: