Access itc.or.jp. ITコーディネータ協会（ITCA）

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value10.7 s

23/100

10%

itc.or.jp

369 ms

www.itc.or.jp

1070 ms

import.css

350 ms

main.css

491 ms

js

84 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 81% of them (48 requests) were addressed to the original Itc.or.jp, 7% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Itc.or.jp.

Content Size

945.0 kB

After Optimization

688.5 kB

In fact, the total size of Itc.or.jp main page is 945.0 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. 45% of websites need less resources to load. Images take 603.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.3 kB

Original 28.9 kB
After minification 27.5 kB
After compression 6.7 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 22.3 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 14.3 kB

Original 603.0 kB
After minification 588.7 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. Itc images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 65.0 kB

Original 138.9 kB
After minification 126.1 kB
After compression 73.9 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 65.0 kB or 47% of the original size.

CSS Optimization

-89%

Potential reduce by 154.9 kB

Original 174.1 kB
After minification 135.2 kB
After compression 19.2 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. Itc.or.jp needs all CSS files to be minified and compressed as it can save up to 154.9 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 13 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 interpretation of your content by users in different locales.

High

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

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

N/A
Encoding

UTF-8

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

itc.or.jp

Open Graph description is not detected on the main page of Itc. 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

ITコーディネータ協会（ITCA）

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

itc.or.jp

www.itc.or.jp

import.css

main.css

js

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

itc.or.jp

www.itc.or.jp

import.css

main.css

js

mt.js

jquery.min.js

rollover.js

css2

n_import.css

sfdc.js

slick.min.js

jquery.fatNav.min.js

jquery.scrolla.js

reset.css

common.css

menu.css

slider.css

analytics.js

smp.css

slick.css

slick-theme.css

jquery.fatNav.css

animate.css

logo.gif

ico_login.svg

ico_member.svg

ico_help.svg

ico_logout.svg

collect

navi01.jpg

navi02.jpg

slider_spring.jpg

slider_update.jpg

slider_case.jpg

slider_follow.jpg

slider_live.jpg

slider_pgl4.jpg

slider_edi.jpg

banner_award2023.jpg

banner_report.jpg

banner_edi.jpg

banner_tsunagu.jpg