Tools & Wizards About Us
circus-co.jp screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

circus-co.jp

CIRCUS Official Site

Page Load Speed

5.7 sec in total

First Response

716 ms

Resources Loaded

4.6 sec

Page Rendered

334 ms

circus-co.jp screenshot

About Website

Welcome to circus-co.jp homepage info - get ready to check CIRCUS Co best content for Japan right away, or after learning these important things about circus-co.jp

美少女ゲームメーカー・サーカスのウェブサイト

Visit circus-co.jp

Key Findings

We analyzed Circus-co.jp page load time and found that the first response time was 716 ms and then it took 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

circus-co.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.359

30/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

circus-co.jp

716 ms

base_style2018.css

330 ms

limited_style2018.css

383 ms

top_style2018.css

548 ms

_infolist.css

383 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 84% of them (46 requests) were addressed to the original Circus-co.jp, 7% (4 requests) were made to Platform.twitter.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Circus-co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (36%)

Content Size

3.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Circus-co.jp main page is 3.2 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. 35% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 16.1 kB

  • Original 23.3 kB
  • After minification 19.8 kB
  • After compression 7.3 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. This page needs HTML code to be minified as it can gain 3.6 kB, which is 15% 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 16.1 kB or 69% of the original size.

Image Optimization

-24%

Potential reduce by 597.6 kB

  • Original 2.4 MB
  • After minification 1.9 MB

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, CIRCUS Co needs image optimization as it can save up to 597.6 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 491.3 kB

  • Original 674.0 kB
  • After minification 617.9 kB
  • After compression 182.7 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 491.3 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 43.4 kB

  • Original 52.0 kB
  • After minification 35.0 kB
  • After compression 8.6 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. Circus-co.jp needs all CSS files to be minified and compressed as it can save up to 43.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (15%)

Requests Now

54

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CIRCUS Co. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

circus-co.jp

circus-co.jp

716 ms

base_style2018.css

base_style2018.css

330 ms

limited_style2018.css

limited_style2018.css

383 ms

top_style2018.css

top_style2018.css

548 ms

_infolist.css

_infolist.css

383 ms

base_script2018.js

base_script2018.js

1873 ms

top_script2018.js

top_script2018.js

1073 ms

js

js

74 ms

widgets.js

widgets.js

90 ms

prom_240620_dc5ph.jpg

prom_240620_dc5ph.jpg

1169 ms

prom_240229_dc5fl.jpg

prom_240229_dc5fl.jpg

1368 ms

prom_231221_dc5.jpg

prom_231221_dc5.jpg

1163 ms

prom_230824_dc3ps.jpg

prom_230824_dc3ps.jpg

1486 ms

info_240425_dc5ph.jpg

info_240425_dc5ph.jpg

174 ms

category_game.jpg

category_game.jpg

175 ms

info_yaneura.jpg

info_yaneura.jpg

341 ms

category_media.jpg

category_media.jpg

341 ms

info_240530_fanza.jpg

info_240530_fanza.jpg

507 ms

category_shop.jpg

category_shop.jpg

507 ms

info_230420_dc3ps.jpg

info_230420_dc3ps.jpg

672 ms

info_230224_line.jpg

info_230224_line.jpg

671 ms

info_220630_dc4fd.jpg

info_220630_dc4fd.jpg

837 ms

info_circus.jpg

info_circus.jpg

845 ms

category_notify.jpg

category_notify.jpg

1003 ms

pick_240606_dc5ph.png

pick_240606_dc5ph.png

1185 ms

pick_240620_yaneura.png

pick_240620_yaneura.png

1335 ms

pick_240126_dc5fl.png

pick_240126_dc5fl.png

1491 ms

pick_231221_dc5.png

pick_231221_dc5.png

1496 ms

pick_230824_dc3ps.png

pick_230824_dc3ps.png

1517 ms

pick_yaneura_202310.png

pick_yaneura_202310.png

1672 ms

pick_221027_dc4fd.png

pick_221027_dc4fd.png

1705 ms

pick_220428_dc4sh.png

pick_220428_dc4sh.png

1811 ms

pick_210416_dcportal.png

pick_210416_dcportal.png

1819 ms

pick_140704_dlsell.png

pick_140704_dlsell.png

1664 ms

rela_201023_twitter_circus.png

rela_201023_twitter_circus.png

1699 ms

rela_240620_youtube_circus.png

rela_240620_youtube_circus.png

1829 ms

rela_240620_youtube_circus2nd.png

rela_240620_youtube_circus2nd.png

1838 ms

rela_201023_nico_circus.png

rela_201023_nico_circus.png

1865 ms

promsub_230224_line.jpg

promsub_230224_line.jpg

1876 ms

logo_circus.png

logo_circus.png

1970 ms

menu_news.png

menu_news.png

1978 ms

menu_border.png

menu_border.png

1990 ms

menu_products.png

menu_products.png

1999 ms

menu_event.png

menu_event.png

2024 ms

menu_goods.png

menu_goods.png

2040 ms

analytics.js

analytics.js

29 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

59 ms

collect

collect

17 ms

settings

settings

99 ms

menu_yaneura.png

menu_yaneura.png

1969 ms

menu_support.png

menu_support.png

1978 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

25 ms

embeds

embeds

45 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

40 ms

background.png

background.png

1823 ms

Accessibility Review

circus-co.jp accessibility score

90

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

circus-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

circus-co.jp SEO score

98

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 Circus-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 Circus-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

circus-co.jp

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