Access kosaka-boxing-gym.jp. 町田でジムはボクシングやダイエットジムの東京コサカボクシングジム

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.214

58/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

kosaka-boxing-gym.jp

523 ms

347 ms

ga.js

17 ms

basic.css

176 ms

mt_kyoutu.css

352 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 56% of them (27 requests) were addressed to the original Kosaka-boxing-gym.jp, 10% (5 requests) were made to Youtube.com and 6% (3 requests) were made to Cdn.mil.movie. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Kosaka-boxing-gym.jp.

Content Size

1.2 MB

After Optimization

932.1 kB

In fact, the total size of Kosaka-boxing-gym.jp main page is 1.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 790.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 11.4 kB

Original 17.0 kB
After minification 16.2 kB
After compression 5.6 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 11.4 kB or 67% of the original size.

Image Optimization

-22%

Potential reduce by 175.9 kB

Original 790.8 kB
After minification 614.9 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. Obviously, Kosaka Boxing Gym needs image optimization as it can save up to 175.9 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 38.2 kB

Original 286.8 kB
After minification 286.5 kB
After compression 248.5 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 38.2 kB or 13% of the original size.

CSS Optimization

-16%

Potential reduce by 12.3 kB

Original 75.4 kB
After minification 72.5 kB
After compression 63.0 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. Kosaka-boxing-gym.jp needs all CSS files to be minified and compressed as it can save up to 12.3 kB or 16% of the original size.

Requests Now

After Optimization

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kosaka Boxing Gym. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kosaka-boxing-gym.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kosaka-boxing-gym.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

kosaka-boxing-gym.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

町田でジムはボクシングやダイエットジムの東京コサカボクシングジム

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

kosaka-boxing-gym.jp

ga.js

basic.css

mt_kyoutu.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

kosaka-boxing-gym.jp

ga.js

basic.css

mt_kyoutu.css

slick.css

slick-theme.css

jquery.min.js

slick.min.js

__utm.gif

ja.png

tokorozawa_button.png

navi_01.png

navi_02.png

navi_back.png

navi_bar.gif

navi_blog.png

navi_fb.png

navi_tw.png

machita_qrcode.gif

cantopimg.jpg

240319-kids.jpg

212831.jpg

nyukai.png

top_midashi_01.png

top_image_01.jpg

top_image_02.jpg

top_image_03.jpg

youtube_me.png

taikenmanga.png

waibiki.png

version

3rnmLv1uNac

www-player.css

www-embed-player.js

base.js

ad_status.js

jj2eNDzr7OxRmG3eEZdf1bHpefYrrxl4VJQY9raQMR0.js

embed.js

KFOmCnqEu92Fr1Mu4mxM.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

Create

id

GenerateIT

mil_player_promise.js