Tools & Wizards About Us

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

sumipower.com

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Page Load Speed

4.6 sec in total

First Response

868 ms

Resources Loaded

3.5 sec

Page Rendered

252 ms

About Website

Visit sumipower.com now to see the best up-to-date Sumipower content and also check out these interesting facts you probably never knew about sumipower.com

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Visit sumipower.com

Key Findings

We analyzed Sumipower.com page load time and found that the first response time was 868 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sumipower.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

sumipower.com

868 ms

layout.css

384 ms

ybm16.gif

541 ms

bottan01.gif

454 ms

ya.gif

455 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 97% of them (38 requests) were addressed to the original Sumipower.com, 3% (1 request) were made to I.yimg.jp. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Sumipower.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.5 kB (13%)

Content Size

187.1 kB

After Optimization

163.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Sumipower.com main page is 187.1 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. 20% of websites need less resources to load. Images take 155.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.5 kB

  • Original 26.4 kB
  • After minification 25.1 kB
  • After compression 6.9 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. 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 19.5 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 155.8 kB
  • After minification 155.8 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. Sumipower images are well optimized though.

CSS Optimization

-80%

Potential reduce by 3.9 kB

  • Original 4.9 kB
  • After minification 3.8 kB
  • After compression 955 B

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. Sumipower.com needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

38

After Optimization

38

  • Images
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sumipower. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

sumipower.com accessibility score

88

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

sumipower.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

sumipower.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sumipower.com 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 Sumipower.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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