Access japan.renesas.com. ルネサスエレクトロニクス株式会社 (Renesas Electronics Corporation)

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

ja

275 ms

gtm

92 ms

css_sUdmDFIXtcI3XMvsfAoDYueot6Qdd4CvBGCMhqvZ3ok.css

71 ms

presearch.css

90 ms

critical-components.css

99 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Japan.renesas.com, 2% (1 request) were made to Challenges.cloudflare.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (581 ms) relates to the external source Renesas.com.

Content Size

758.4 kB

After Optimization

590.0 kB

In fact, the total size of Japan.renesas.com main page is 758.4 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. 55% of websites need less resources to load. Images take 321.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 162.5 kB

Original 210.1 kB
After minification 178.5 kB
After compression 47.6 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 31.6 kB, which is 15% 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 162.5 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 3.6 kB

Original 321.6 kB
After minification 318.0 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. Japan Renesas images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 528 B

Original 179.9 kB
After minification 179.9 kB
After compression 179.4 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

-4%

Potential reduce by 1.8 kB

Original 46.8 kB
After minification 46.8 kB
After compression 45.0 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. Japan.renesas.com has all CSS files already compressed.

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After Optimization

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Japan 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 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.