Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

circus-co.jp

CIRCUS Official Site

Page Load Speed

5.9 sec in total

First Response

716 ms

Resources Loaded

4.8 sec

Page Rendered

423 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 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

circus-co.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.593

11/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

circus-co.jp

716 ms

style.css

333 ms

group_navigation.css

340 ms

index.css

515 ms

information.css

351 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that all of those requests were addressed to Circus-co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Circus-co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 396.0 kB (10%)

Content Size

3.9 MB

After Optimization

3.5 MB

In fact, the total size of Circus-co.jp main page is 3.9 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. 45% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 33.2 kB

  • Original 39.8 kB
  • After minification 38.4 kB
  • After compression 6.6 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 33.2 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 68.8 kB

  • Original 3.4 MB
  • After minification 3.4 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. CIRCUS Co images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 253.8 kB

  • Original 337.0 kB
  • After minification 288.1 kB
  • After compression 83.2 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 253.8 kB or 75% of the original size.

CSS Optimization

-84%

Potential reduce by 40.1 kB

  • Original 47.9 kB
  • After minification 31.6 kB
  • After compression 7.8 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 40.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (4%)

Requests Now

74

After Optimization

71

The browser has sent 74 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 4 to 1 for CSS and as a result speed up the page load time.

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

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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: