Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

boxing-club.jp

ボクシングジムなら東京の渋谷・新宿・池袋・上野・新橋・赤坂、埼玉の大宮、大阪の梅田・なんば(難波)にあるボクシングクラブ

Page Load Speed

6.5 sec in total

First Response

544 ms

Resources Loaded

5.6 sec

Page Rendered

345 ms

boxing-club.jp screenshot

About Website

Visit boxing-club.jp now to see the best up-to-date Boxing Club content for Japan and also check out these interesting facts you probably never knew about boxing-club.jp

東京・渋谷・新宿・池袋・上野・新橋・赤坂、埼玉・大宮、大阪・梅田・なんば(難波)のボクシングジム。フィットネス、スポーツ又ダイエット目的としても利用でき、夜23時まで練習できます。駅から徒歩1分のボクシングジム。見学・入会随時受付中!初心者の方も大歓迎!

Visit boxing-club.jp

Key Findings

We analyzed Boxing-club.jp page load time and found that the first response time was 544 ms and then it took 5.9 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

boxing-club.jp performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

boxing-club.jp

544 ms

www.boxing-club.jp

578 ms

style.css

197 ms

conversion.js

14 ms

gtm.js

86 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 59% of them (22 requests) were addressed to the original Boxing-club.jp, 8% (3 requests) were made to Google-analytics.com and 8% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Feed.mikle.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.6 kB (11%)

Content Size

524.3 kB

After Optimization

464.8 kB

In fact, the total size of Boxing-club.jp main page is 524.3 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. 25% of websites need less resources to load. Images take 390.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 12.8 kB

  • Original 18.3 kB
  • After minification 16.0 kB
  • After compression 5.5 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. This page needs HTML code to be minified as it can gain 2.3 kB, which is 12% 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 12.8 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 8.8 kB

  • Original 390.7 kB
  • After minification 381.9 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. Boxing Club images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 32.3 kB

  • Original 108.0 kB
  • After minification 108.0 kB
  • After compression 75.7 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 32.3 kB or 30% of the original size.

CSS Optimization

-78%

Potential reduce by 5.7 kB

  • Original 7.4 kB
  • After minification 6.1 kB
  • After compression 1.7 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. Boxing-club.jp needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (29%)

Requests Now

31

After Optimization

22

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boxing Club. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

boxing-club.jp accessibility score

77

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

boxing-club.jp best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

boxing-club.jp SEO score

79

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

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Boxing-club.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 Boxing-club.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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