Tools & Wizards About Us
seibudenki.co.jp screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

seibudenki.co.jp

西部電機株式会社

Page Load Speed

9.5 sec in total

First Response

615 ms

Resources Loaded

8.7 sec

Page Rendered

151 ms

seibudenki.co.jp screenshot

About Website

Click here to check amazing Seibudenki content for Japan. Otherwise, check out these important facts you probably never knew about seibudenki.co.jp

搬送機械・産業機械・工作機械・放電機械の総合メーカー『西部電機株式会社』

Visit seibudenki.co.jp

Key Findings

We analyzed Seibudenki.co.jp page load time and found that the first response time was 615 ms and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

seibudenki.co.jp performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

seibudenki.co.jp

615 ms

www.seibudenki.co.jp

628 ms

common.css

394 ms

index.css

395 ms

jquery.min.js

1391 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 97% of them (75 requests) were addressed to the original Seibudenki.co.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Seibudenki.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 363.3 kB (32%)

Content Size

1.1 MB

After Optimization

760.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seibudenki.co.jp main page is 1.1 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. 20% of websites need less resources to load. Images take 930.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 8.5 kB

  • Original 11.1 kB
  • After minification 10.5 kB
  • After compression 2.5 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 8.5 kB or 77% of the original size.

Image Optimization

-25%

Potential reduce by 234.6 kB

  • Original 930.3 kB
  • After minification 695.7 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. Obviously, Seibudenki needs image optimization as it can save up to 234.6 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 112.6 kB

  • Original 172.3 kB
  • After minification 149.4 kB
  • After compression 59.7 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 112.6 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 7.7 kB

  • Original 9.7 kB
  • After minification 7.4 kB
  • After compression 2.0 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. Seibudenki.co.jp needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (5%)

Requests Now

75

After Optimization

71

  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seibudenki. 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 as a result speed up the page load time.

Network Requests Diagram

seibudenki.co.jp

seibudenki.co.jp

615 ms

www.seibudenki.co.jp

www.seibudenki.co.jp

628 ms

common.css

common.css

394 ms

index.css

index.css

395 ms

jquery.min.js

jquery.min.js

1391 ms

jquery.combo.js

jquery.combo.js

402 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

402 ms

jquery.cycle.all.js

jquery.cycle.all.js

1003 ms

bg.png

bg.png

397 ms

ga.js

ga.js

41 ms

bg_lg.png

bg_lg.png

399 ms

lg_seibu.png

lg_seibu.png

401 ms

bt_english_off.png

bt_english_off.png

401 ms

bt_chinese_off.png

bt_chinese_off.png

1001 ms

bt_korean_off.png

bt_korean_off.png

1001 ms

ln_menu_index.png

ln_menu_index.png

755 ms

bt_home_off.png

bt_home_off.png

792 ms

bt_company_off.png

bt_company_off.png

796 ms

bt_products_off.png

bt_products_off.png

799 ms

bt_ir_off.png

bt_ir_off.png

1150 ms

bt_recruit_off.png

bt_recruit_off.png

1186 ms

bt_contact_off.png

bt_contact_off.png

1195 ms

ph_earth.jpg

ph_earth.jpg

2376 ms

tt_earth.png

tt_earth.png

1791 ms

ph_sky.jpg

ph_sky.jpg

2610 ms

tt_home_mh_off.png

tt_home_mh_off.png

1546 ms

tt_home_mh.png

tt_home_mh.png

1579 ms

ph_water.jpg

ph_water.jpg

2858 ms

tt_home_ea_off.png

tt_home_ea_off.png

1947 ms

tt_home_ea.png

tt_home_ea.png

1976 ms

ph_thunder.jpg

ph_thunder.jpg

3265 ms

tt_home_pm_off.png

tt_home_pm_off.png

2345 ms

tt_home_pm.png

tt_home_pm.png

2380 ms

ln_h_double.jpg

ln_h_double.jpg

2781 ms

ln_v_single_s.jpg

ln_v_single_s.jpg

2808 ms

ph_home_products.jpg

ph_home_products.jpg

2808 ms

bt_home_products_off.png

bt_home_products_off.png

3014 ms

ph_home_ir.jpg

ph_home_ir.jpg

3186 ms

bt_home_ir_off.png

bt_home_ir_off.png

3207 ms

ph_home_recruit.jpg

ph_home_recruit.jpg

3210 ms

bt_home_recruit_off.png

bt_home_recruit_off.png

3266 ms

ln_v_single_l.jpg

ln_v_single_l.jpg

3415 ms

tt_home_news.png

tt_home_news.png

3586 ms

ic_arrow.png

ic_arrow.png

3608 ms

ic_news_com.png

ic_news_com.png

3613 ms

__utm.gif

__utm.gif

13 ms

ic_news_ir_pdf.png

ic_news_ir_pdf.png

3312 ms

bt_home_news_off.png

bt_home_news_off.png

3281 ms

ph_home_company.jpg

ph_home_company.jpg

3427 ms

bt_home_company_off.jpg

bt_home_company_off.jpg

3590 ms

ph_home_establishment.jpg

ph_home_establishment.jpg

3850 ms

bt_home_establishment_off.jpg

bt_home_establishment_off.jpg

3231 ms

bg_footer.png

bg_footer.png

3289 ms

bg_pagetop.png

bg_pagetop.png

3289 ms

bt_sitemap_off.png

bt_sitemap_off.png

3228 ms

bt_pagetop_off.png

bt_pagetop_off.png

3388 ms

lg_seibu_footer.png

lg_seibu_footer.png

3274 ms

bt_english_on.png

bt_english_on.png

3295 ms

bt_chinese_on.png

bt_chinese_on.png

3900 ms

bt_korean_on.png

bt_korean_on.png

3684 ms

bt_home_on.png

bt_home_on.png

3208 ms

bt_company_on.png

bt_company_on.png

3033 ms

bt_products_on.png

bt_products_on.png

2932 ms

bt_ir_on.png

bt_ir_on.png

3023 ms

bt_recruit_on.png

bt_recruit_on.png

3045 ms

bt_contact_on.png

bt_contact_on.png

2853 ms

tt_home_mh_on.png

tt_home_mh_on.png

2916 ms

tt_home_ea_on.png

tt_home_ea_on.png

2791 ms

tt_home_pm_on.png

tt_home_pm_on.png

2713 ms

bt_home_products_on.png

bt_home_products_on.png

2816 ms

bt_home_ir_on.png

bt_home_ir_on.png

2820 ms

bt_home_recruit_on.png

bt_home_recruit_on.png

2837 ms

bt_home_news_on.png

bt_home_news_on.png

2779 ms

bt_home_company_on.jpg

bt_home_company_on.jpg

2610 ms

bt_home_establishment_on.jpg

bt_home_establishment_on.jpg

2684 ms

bt_sitemap_on.png

bt_sitemap_on.png

2812 ms

bt_pagetop_on.png

bt_pagetop_on.png

2765 ms

Accessibility Review

seibudenki.co.jp accessibility score

79

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

seibudenki.co.jp best practices score

75

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

SEO Factors

seibudenki.co.jp SEO score

92

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seibudenki.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Seibudenki.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

seibudenki.co.jp

Open Graph description is not detected on the main page of Seibudenki. 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: