Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

ace-ace.co.jp

株式会社エース|コンピュータシステム開発

Page Load Speed

1.7 sec in total

First Response

539 ms

Resources Loaded

1.1 sec

Page Rendered

79 ms

ace-ace.co.jp screenshot

About Website

Visit ace-ace.co.jp now to see the best up-to-date Ace content and also check out these interesting facts you probably never knew about ace-ace.co.jp

株式会社エースはパソコンから大型汎用機までコンピュータの幅広い業務を行っています。

Visit ace-ace.co.jp

Key Findings

We analyzed Ace-ace.co.jp page load time and found that the first response time was 539 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

ace-ace.co.jp performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

99/100

10%

Network Requests Diagram

ace-ace.co.jp

539 ms

style.css

182 ms

menu.css

367 ms

ace_logo.png

383 ms

bottom.png

359 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 78% of them (7 requests) were addressed to the original Ace-ace.co.jp, 22% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (539 ms) belongs to the original domain Ace-ace.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.6 kB (21%)

Content Size

40.9 kB

After Optimization

32.3 kB

In fact, the total size of Ace-ace.co.jp main page is 40.9 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. Only 10% of websites need less resources to load. Javascripts take 17.2 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 1.6 kB

  • Original 2.9 kB
  • After minification 2.7 kB
  • After compression 1.3 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 1.6 kB or 56% of the original size.

Image Optimization

-17%

Potential reduce by 2.7 kB

  • Original 15.6 kB
  • After minification 12.9 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, Ace needs image optimization as it can save up to 2.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-81%

Potential reduce by 4.3 kB

  • Original 5.2 kB
  • After minification 3.4 kB
  • After compression 970 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. Ace-ace.co.jp needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ace. According to our analytics all requests are already optimized.

Accessibility Review

ace-ace.co.jp accessibility score

93

Accessibility Issues

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

ace-ace.co.jp best practices score

75

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

Serves images with low resolution

SEO Factors

ace-ace.co.jp 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 Ace-ace.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 Ace-ace.co.jp 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 Ace. 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: