Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

dowa-electronics.co.jp

DOWAエレクトロニクス株式会社 | ホーム

Page Load Speed

5.8 sec in total

First Response

782 ms

Resources Loaded

4.9 sec

Page Rendered

133 ms

dowa-electronics.co.jp screenshot

About Website

Visit dowa-electronics.co.jp now to see the best up-to-date Dowa Electronics content for Japan and also check out these interesting facts you probably never knew about dowa-electronics.co.jp

半導体、電子材料、磁性材料といった製品を供給し、市場のニーズにお応えしています。これらの高い技術力に支えられた製品群を基盤に、幅広い領域での業界トップを目指すとともに、積極的な投資による新規事業の開発を進めています。

Visit dowa-electronics.co.jp

Key Findings

We analyzed Dowa-electronics.co.jp page load time and found that the first response time was 782 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dowa-electronics.co.jp performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

dowa-electronics.co.jp

782 ms

style.css

941 ms

jquery-1.8.3.min.js

1518 ms

jquery.flexslider-min.js

1150 ms

jquery.lightbox-0.5.js

1157 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 97% of them (67 requests) were addressed to the original Dowa-electronics.co.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Dowa-electronics.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.9 kB (45%)

Content Size

473.4 kB

After Optimization

260.4 kB

In fact, the total size of Dowa-electronics.co.jp main page is 473.4 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. 25% of websites need less resources to load. Images take 203.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 11.1 kB

  • Original 15.3 kB
  • After minification 14.7 kB
  • After compression 4.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.1 kB or 73% of the original size.

Image Optimization

-10%

Potential reduce by 21.2 kB

  • Original 203.5 kB
  • After minification 182.3 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. Dowa Electronics images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 132.5 kB

  • Original 197.1 kB
  • After minification 181.6 kB
  • After compression 64.7 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 132.5 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 48.2 kB

  • Original 57.5 kB
  • After minification 39.5 kB
  • After compression 9.3 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. Dowa-electronics.co.jp needs all CSS files to be minified and compressed as it can save up to 48.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (43%)

Requests Now

67

After Optimization

38

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dowa Electronics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dowa-electronics.co.jp accessibility score

100

Accessibility Issues

Best Practices

dowa-electronics.co.jp best practices score

62

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

SEO Factors

dowa-electronics.co.jp SEO score

67

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

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 Dowa-electronics.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 Dowa-electronics.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 description is not detected on the main page of Dowa Electronics. 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: