Tools & Wizards About Us
centrifuge.jp screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

centrifuge.jp

KUBOTA Centrifuge - KUBOTA CORPORATION JAPAN

Page Load Speed

6.1 sec in total

First Response

594 ms

Resources Loaded

5.3 sec

Page Rendered

250 ms

centrifuge.jp screenshot

About Website

Click here to check amazing Centrifuge content. Otherwise, check out these important facts you probably never knew about centrifuge.jp

Each centrifuge model meets specific requirements. KUBOTA: offering a broad range of high-quality centrifuges since 1920, with an established requtation for reliable performance. All centrifuges are M...

Visit centrifuge.jp

Key Findings

We analyzed Centrifuge.jp page load time and found that the first response time was 594 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

centrifuge.jp performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value4.6 s

82/100

10%

Network Requests Diagram

centrifuge.jp

594 ms

www.centrifuge.jp

1023 ms

index.css

196 ms

slidingpanels.css

395 ms

slidingpanels_display.css

774 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 86% of them (70 requests) were addressed to the original Centrifuge.jp, 9% (7 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Centrifuge.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.3 kB (11%)

Content Size

513.8 kB

After Optimization

459.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centrifuge.jp main page is 513.8 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. 40% of websites need less resources to load. Images take 437.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.2 kB

  • Original 18.2 kB
  • After minification 14.1 kB
  • After compression 4.0 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 4.1 kB, which is 22% 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 14.2 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 31.9 kB

  • Original 437.2 kB
  • After minification 405.3 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. Centrifuge images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 4.7 kB

  • Original 48.8 kB
  • After minification 48.1 kB
  • After compression 44.1 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

-36%

Potential reduce by 3.5 kB

  • Original 9.6 kB
  • After minification 8.7 kB
  • After compression 6.1 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. Centrifuge.jp needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (19%)

Requests Now

70

After Optimization

57

  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrifuge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centrifuge.jp

centrifuge.jp

594 ms

www.centrifuge.jp

www.centrifuge.jp

1023 ms

index.css

index.css

196 ms

slidingpanels.css

slidingpanels.css

395 ms

slidingpanels_display.css

slidingpanels_display.css

774 ms

jsapi

jsapi

24 ms

SprySlidingPanels.js

SprySlidingPanels.js

543 ms

jquery.corner.js

jquery.corner.js

778 ms

opacity-rollover2.1.js

opacity-rollover2.1.js

582 ms

footerfixed.js

footerfixed.js

609 ms

scripts.js

scripts.js

610 ms

loader.js

loader.js

26 ms

basic.css

basic.css

529 ms

product_navi.css

product_navi.css

582 ms

view_all_products.css

view_all_products.css

616 ms

css

css

42 ms

jquery.min.js

jquery.min.js

109 ms

index_news.css

index_news.css

191 ms

header_bg_rep.jpg

header_bg_rep.jpg

237 ms

seasonbg_header.jpg

seasonbg_header.jpg

830 ms

logo.png

logo.png

187 ms

view_all_products02.gif

view_all_products02.gif

236 ms

view_all_products01.gif

view_all_products01.gif

182 ms

s300t.gif

s300t.gif

366 ms

s300tr.gif

s300tr.gif

383 ms

m500tr.gif

m500tr.gif

378 ms

5500.gif

5500.gif

390 ms

s500t.gif

s500t.gif

411 ms

s500fr.gif

s500fr.gif

546 ms

s700t.gif

s700t.gif

567 ms

s700tr.gif

s700tr.gif

570 ms

s700fr.gif

s700fr.gif

623 ms

3300.gif

3300.gif

617 ms

3520.gif

3520.gif

729 ms

3700.gif

3700.gif

758 ms

3740.gif

3740.gif

750 ms

6200.gif

6200.gif

833 ms

PlateSpin3.gif

PlateSpin3.gif

814 ms

6000.gif

6000.gif

906 ms

7000.gif

7000.gif

935 ms

8730.gif

8730.gif

944 ms

9920.gif

9920.gif

1009 ms

9942.gif

9942.gif

1026 ms

3220.gif

3220.gif

1034 ms

ka2200.gif

ka2200.gif

1095 ms

201m.gif

201m.gif

1116 ms

facebook_logoblue.png

facebook_logoblue.png

1131 ms

lang_chinese.png

lang_chinese.png

1201 ms

lang_japanese.png

lang_japanese.png

1236 ms

upper_bg_rep.jpg

upper_bg_rep.jpg

1235 ms

seasonbg_hotline.jpg

seasonbg_hotline.jpg

1627 ms

gnavi_home.gif

gnavi_home.gif

1294 ms

m500tr.png

m500tr.png

1435 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

38 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

48 ms

tss5ApVBdCYD5Q7hcxTE1ArZ0Zz8oY2KRmwvKhhv8la6o3mp.ttf

tss5ApVBdCYD5Q7hcxTE1ArZ0Zz8oY2KRmwvKhhv8la6o3mp.ttf

54 ms

tss5ApVBdCYD5Q7hcxTE1ArZ0Zz8oY2KRmwvKhhvLFG6o3mp.ttf

tss5ApVBdCYD5Q7hcxTE1ArZ0Zz8oY2KRmwvKhhvLFG6o3mp.ttf

61 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

64 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

64 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

64 ms

m500tr_name.png

m500tr_name.png

1222 ms

new.png

new.png

1259 ms

s300t.png

s300t.png

1413 ms

s300t_name.png

s300t_name.png

1265 ms

s500t.png

s500t.png

1638 ms

s500t_name.png

s500t_name.png

1281 ms

s700t.png

s700t.png

1476 ms

s700t_name.png

s700t_name.png

1691 ms

s700tr.png

s700tr.png

1427 ms

s700tr_name.png

s700tr_name.png

1437 ms

lower_bg_rep.jpg

lower_bg_rep.jpg

1303 ms

seasonbg_lower.jpg

seasonbg_lower.jpg

1606 ms

m500tr.jpg

m500tr.jpg

1676 ms

contact-us_email-address.png

contact-us_email-address.png

1439 ms

icon_pagetop.gif

icon_pagetop.gif

1435 ms

icon_readmore.gif

icon_readmore.gif

1340 ms

kubota_bg_japan.gif

kubota_bg_japan.gif

1507 ms

icon_link.gif

icon_link.gif

1477 ms

footer_bg_rep.jpg

footer_bg_rep.jpg

1454 ms

footer_bg.jpg

footer_bg.jpg

1985 ms

favicon.ico)

favicon.ico)

1516 ms

Accessibility Review

centrifuge.jp accessibility score

100

Accessibility Issues

Best Practices

centrifuge.jp best practices score

67

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

centrifuge.jp SEO score

62

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrifuge.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Centrifuge.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

centrifuge.jp

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