Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

s-arcana.co.jp

株式会社スタジオ・アルカナ

Page Load Speed

4.8 sec in total

First Response

489 ms

Resources Loaded

4 sec

Page Rendered

318 ms

s-arcana.co.jp screenshot

About Website

Click here to check amazing S Arcana content for Indonesia. Otherwise, check out these important facts you probably never knew about s-arcana.co.jp

株式会社スタジオ・アルカナは「“あったらうれしい”をすべてのひとへ。」を目指すWeb制作会社です。

Visit s-arcana.co.jp

Key Findings

We analyzed S-arcana.co.jp page load time and found that the first response time was 489 ms and then it took 4.3 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

s-arcana.co.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.316

37/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

www.s-arcana.co.jp

489 ms

github.css

360 ms

wp-rainbow-linenumbers-fix.css

366 ms

normalize.css

372 ms

common.css

787 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 87% of them (26 requests) were addressed to the original S-arcana.co.jp, 7% (2 requests) were made to Fonts.googleapis.com and 7% (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 S-arcana.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 184.9 kB (20%)

Content Size

922.3 kB

After Optimization

737.4 kB

In fact, the total size of S-arcana.co.jp main page is 922.3 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 679.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.5 kB

  • Original 11.3 kB
  • After minification 10.6 kB
  • After compression 2.8 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 8.5 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 15.6 kB

  • Original 679.1 kB
  • After minification 663.5 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. S Arcana images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 89.8 kB

  • Original 151.5 kB
  • After minification 148.3 kB
  • After compression 61.6 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 89.8 kB or 59% of the original size.

CSS Optimization

-88%

Potential reduce by 71.0 kB

  • Original 80.4 kB
  • After minification 57.0 kB
  • After compression 9.4 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. S-arcana.co.jp needs all CSS files to be minified and compressed as it can save up to 71.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (38%)

Requests Now

29

After Optimization

18

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of S Arcana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

s-arcana.co.jp accessibility score

100

Accessibility Issues

Best Practices

s-arcana.co.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

s-arcana.co.jp SEO score

93

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 doesn't use legible font sizes

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 S-arcana.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 S-arcana.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 data is detected on the main page of S Arcana. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: