Access register.jtu.or.jp. JTU Web Magazine -公益社団法人日本トライアスロン連合（JTU）

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value2.05

0/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

register.jtu.or.jp

737 ms

default.aspx

215 ms

www.jtu.or.jp

1052 ms

jtu.css

354 ms

lightbox.css

354 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Register.jtu.or.jp, 89% (111 requests) were made to Jtu.or.jp and 2% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Jtu.or.jp.

Content Size

2.9 MB

After Optimization

2.3 MB

In fact, the total size of Register.jtu.or.jp main page is 2.9 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. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 49.7 kB

Original 61.6 kB
After minification 58.0 kB
After compression 11.9 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 49.7 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 54.4 kB

Original 2.1 MB
After minification 2.1 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. Register JTU images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 333.8 kB

Original 458.4 kB
After minification 390.5 kB
After compression 124.6 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 333.8 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 219.0 kB

Original 263.8 kB
After minification 260.6 kB
After compression 44.8 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. Register.jtu.or.jp needs all CSS files to be minified and compressed as it can save up to 219.0 kB or 83% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Register JTU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

These are opportunities to improve the legibility of your content.

High

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

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

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

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

High

Links are not crawlable

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

JA
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Register.jtu.or.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 Register.jtu.or.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 Register JTU. 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

JTU Web Magazine -公益社団法人日本トライアスロン連合（JTU）

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

register.jtu.or.jp

default.aspx

www.jtu.or.jp

jtu.css

lightbox.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

register.jtu.or.jp

default.aspx

www.jtu.or.jp

jtu.css

lightbox.css

prototype.js

scriptaculous.js

lightbox.js

AC_RunActiveContent.js

top.css

AC_RunActiveContent.js

urchin.js

effects.js

builder.js

favicon.png

bgbg.gif

spacer.gif

head001.gif

head002.gif

astc2.gif

head_jtu.gif

head_ntt.gif

head004.gif

head005.gif

arrow001.gif

arrow002.gif

bg_tb.gif

n_top.gif

n_event1.gif

arrow009.gif

n_event2.gif

n_athlete.gif

n_rank.gif

n_media.gif

n_tri.gif

n_jtu.gif

n_archive.gif

n_sitemap.gif

n_link.gif

n_contact.gif

b_2020tokyo.jpg

B_JTUxJADA-300x100.gif

toto180x60.gif