Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

renesas.co.jp

ルネサス エレクトロニクス株式会社 (Renesas Electronics Corporation)

Page Load Speed

3.3 sec in total

First Response

120 ms

Resources Loaded

2.2 sec

Page Rendered

990 ms

About Website

Click here to check amazing Renesas content. Otherwise, check out these important facts you probably never knew about renesas.co.jp

ルネサスエレクトロニクス株式会社は、世界トップクラスのシェアを誇るマイコンをはじめ、SoCやアナログ、パワー製品などを幅広くラインアップし、自動車や産業分野に向けて革新的な半導体ソリューションを提供しています。

Visit renesas.co.jp

Key Findings

We analyzed Renesas.co.jp page load time and found that the first response time was 120 ms and then it took 3.2 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

renesas.co.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value1,460 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

Network Requests Diagram

ja

120 ms

gtm

212 ms

css_WG_iXePsHXraiIKM_rUJyJ6TXnFe9mJFbjSCv_VG8kw.css

111 ms

glider.min.css

123 ms

css_WuyxZLHyJQF9jg0P71mLefe2Oay6EedSFrKyyQam5wk.css

115 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Renesas.co.jp, 3% (2 requests) were made to Googletagmanager.com and 1% (1 request) were made to Challenges.cloudflare.com. The less responsive or slowest element that took the longest time to load (559 ms) relates to the external source Renesas.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 157.7 kB (12%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Renesas.co.jp main page is 1.4 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. 55% of websites need less resources to load. Images take 983.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 156.4 kB

  • Original 203.2 kB
  • After minification 171.3 kB
  • After compression 46.9 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 31.9 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 156.4 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 983.4 kB
  • After minification 983.4 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. Renesas images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 662 B

  • Original 145.7 kB
  • After minification 145.7 kB
  • After compression 145.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 713 B

  • Original 29.2 kB
  • After minification 29.2 kB
  • After compression 28.5 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. Renesas.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (58%)

Requests Now

62

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Renesas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

renesas.co.jp accessibility score

100

Accessibility Issues

Best Practices

renesas.co.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

renesas.co.jp SEO score

93

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

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 Renesas.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 Renesas.co.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 Renesas. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: