Tools & Wizards About Us
denasu.com screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

denasu.com

Denasu System

Page Load Speed

3.4 sec in total

First Response

562 ms

Resources Loaded

2.7 sec

Page Rendered

108 ms

denasu.com screenshot

About Website

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

Denasu System制作のフリーソフトを公開しています。作者の好きなことをソフトウェアにしているので、作者自身がユーザです。また、趣味の開発であり、広告も利益も目指していません。ユーザとして欲しい機能、使いやすさを目指しています。

Visit denasu.com

Key Findings

We analyzed Denasu.com page load time and found that the first response time was 562 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

denasu.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

denasu.com

562 ms

denasu.com

821 ms

mortarco.css

272 ms

cse.js

34 ms

back.png

171 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 67% of them (16 requests) were addressed to the original Denasu.com, 25% (6 requests) were made to Google.com and 8% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Denasu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 564.5 kB (77%)

Content Size

730.1 kB

After Optimization

165.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Denasu.com main page is 730.1 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. 30% of websites need less resources to load. Images take 543.4 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 9.3 kB

  • Original 13.8 kB
  • After minification 13.7 kB
  • After compression 4.5 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 9.3 kB or 67% of the original size.

Image Optimization

-100%

Potential reduce by 540.9 kB

  • Original 543.4 kB
  • After minification 2.5 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, Denasu needs image optimization as it can save up to 540.9 kB or 100% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 926 B

  • Original 150.3 kB
  • After minification 150.3 kB
  • After compression 149.4 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

-59%

Potential reduce by 13.4 kB

  • Original 22.6 kB
  • After minification 18.7 kB
  • After compression 9.2 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. Denasu.com needs all CSS files to be minified and compressed as it can save up to 13.4 kB or 59% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denasu. According to our analytics all requests are already optimized.

Network Requests Diagram

denasu.com

denasu.com

562 ms

denasu.com

denasu.com

821 ms

mortarco.css

mortarco.css

272 ms

cse.js

cse.js

34 ms

back.png

back.png

171 ms

background.png

background.png

252 ms

header1.png

header1.png

1187 ms

DenasuSystem.png

DenasuSystem.png

427 ms

icon_weathertyping.png

icon_weathertyping.png

494 ms

icon_worldtester.png

icon_worldtester.png

510 ms

icon_purentro.png

icon_purentro.png

511 ms

icon_analogbookreader.png

icon_analogbookreader.png

527 ms

icon_bbs.png

icon_bbs.png

602 ms

icon_diary.png

icon_diary.png

659 ms

mail.png

mail.png

679 ms

twitter.png

twitter.png

680 ms

policy.png

policy.png

702 ms

cse.js

cse.js

39 ms

cse_element__en.js

cse_element__en.js

11 ms

default+en.css

default+en.css

50 ms

default.css

default.css

49 ms

async-ads.js

async-ads.js

22 ms

branding.png

branding.png

8 ms

clear.png

clear.png

16 ms

Accessibility Review

denasu.com accessibility score

98

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

denasu.com 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

denasu.com SEO score

96

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Denasu.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 Denasu.com 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

denasu.com

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