Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

shibajun.jp

JUN SHIBATA official website - 柴田淳オフィシャルウェブサイト

Page Load Speed

4.3 sec in total

First Response

419 ms

Resources Loaded

2.7 sec

Page Rendered

1.2 sec

shibajun.jp screenshot

About Website

Welcome to shibajun.jp homepage info - get ready to check Shiba JUN best content for Japan right away, or after learning these important things about shibajun.jp

柴田淳オフィシャルウェブサイト

Visit shibajun.jp

Key Findings

We analyzed Shibajun.jp page load time and found that the first response time was 419 ms and then it took 3.9 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

shibajun.jp performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

www.shibajun.jp

419 ms

main.css

244 ms

layout.css

66 ms

font.css

258 ms

web.js.c16518124bc0894d5962.js

83 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Shibajun.jp, 30% (19 requests) were made to Image.jimcdn.com and 13% (8 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (683 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 980.6 kB (51%)

Content Size

1.9 MB

After Optimization

941.8 kB

In fact, the total size of Shibajun.jp main page is 1.9 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. 60% of websites need less resources to load. Javascripts take 848.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 83.9 kB

  • Original 113.1 kB
  • After minification 110.0 kB
  • After compression 29.3 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 83.9 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 12.7 kB

  • Original 520.6 kB
  • After minification 507.9 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. Shiba JUN images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 533.7 kB

  • Original 848.1 kB
  • After minification 848.0 kB
  • After compression 314.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 533.7 kB or 63% of the original size.

CSS Optimization

-80%

Potential reduce by 350.3 kB

  • Original 440.5 kB
  • After minification 440.1 kB
  • After compression 90.2 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. Shibajun.jp needs all CSS files to be minified and compressed as it can save up to 350.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (46%)

Requests Now

59

After Optimization

32

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shiba JUN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

shibajun.jp accessibility score

92

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

shibajun.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

shibajun.jp SEO score

93

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

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 Shibajun.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 Shibajun.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 Shiba JUN. 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: