Access 506506.ntt.com. NTTコミュニケーションズ | システムメンテナンス作業に伴うサービス停止のお知らせ

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value19.5 s

0/100

10%

TBT (Total Blocking Time)

Value18,460 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.282

43/100

15%

TTI (Time to Interactive)

Value33.4 s

0/100

10%

506506.ntt.com

902 ms

index.cgi

260 ms

index.html

936 ms

common.css

921 ms

template_new.css

555 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 97% of them (137 requests) were addressed to the original 506506.ntt.com, 1% (1 request) were made to Googleadservices.com and 1% (1 request) were made to Www31.tracer.jp. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain 506506.ntt.com.

Content Size

1.2 MB

After Optimization

535.2 kB

In fact, the total size of 506506.ntt.com 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. 20% of websites need less resources to load. Images take 695.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 46.1 kB

Original 56.0 kB
After minification 53.0 kB
After compression 10.0 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 46.1 kB or 82% of the original size.

Image Optimization

-39%

Potential reduce by 269.1 kB

Original 695.2 kB
After minification 426.0 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, 506506 Ntt needs image optimization as it can save up to 269.1 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 218.1 kB

Original 304.0 kB
After minification 265.3 kB
After compression 85.8 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 218.1 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 83.0 kB

Original 96.4 kB
After minification 66.5 kB
After compression 13.4 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. 506506.ntt.com needs all CSS files to be minified and compressed as it can save up to 83.0 kB or 86% of the original size.

Requests Now

137

After Optimization

123

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 506506 Ntt. 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

These items highlight common accessibility best practices.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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 506506.ntt.com 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 506506.ntt.com 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

506506.ntt.com

Open Graph description is not detected on the main page of 506506 Ntt. 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

NTTコミュニケーションズ | システムメンテナンス作業に伴うサービス停止のお知らせ

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

506506.ntt.com

index.cgi

index.html

common.css

template_new.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

506506.ntt.com

index.cgi

index.html

common.css

template_new.css

template.css

index.css

redirect.js

jquery-1.7.min.js

mjl.js

top.js

run.js

campaign_list.js

pc_top_news_01.js

pc_top_news_02.js

506506_misetai.js

visionalist.js

conversion.js

bg_all.gif

header_bg1.gif

header_p_logo.gif

header_p_ttl.gif

header_search.gif

header_search_goo.gif

header_tools_segment1.gif

header_cl_changer.gif

arrow03.gif

arrow04.gif

global_nav3_btn1.gif

global_nav3_btn2.gif

dropdown_bg.png

global_nav3_btn3.gif

global_nav3_btn4.gif

global_nav3_btn5.gif

global_nav3_btn6.gif

bg_mv_01.gif

img_mv_75.png

img_mv_92.png

img_mv_95.png

img_mv_58.png

img_mv_86.png

img_mv_62.png

btn_mv_01.gif