Access tmpc.or.jp. 公益財団法人東京都道路整備保全公社

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

tmpc.or.jp

563 ms

www.tmpc.or.jp

1155 ms

style.css

339 ms

rollover.js

357 ms

fontsize.js

357 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 98% of them (81 requests) were addressed to the original Tmpc.or.jp, 1% (1 request) were made to Google.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Tmpc.or.jp.

Content Size

288.2 kB

After Optimization

229.1 kB

In fact, the total size of Tmpc.or.jp main page is 288.2 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 196.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 29.8 kB

Original 36.6 kB
After minification 32.8 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 29.8 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 12.4 kB

Original 196.9 kB
After minification 184.5 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. Tmpc images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.1 kB

Original 35.3 kB
After minification 35.1 kB
After compression 34.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 15.8 kB

Original 19.4 kB
After minification 16.2 kB
After compression 3.7 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. Tmpc.or.jp needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tmpc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 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 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

Links do not have a discernible name

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

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 Tmpc.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 Tmpc.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

tmpc.or.jp

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

公益財団法人東京都道路整備保全公社

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

tmpc.or.jp

www.tmpc.or.jp

style.css

rollover.js

fontsize.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

tmpc.or.jp

www.tmpc.or.jp

style.css

rollover.js

fontsize.js

top_scroll.js

jsapi

dropmenu.js

main_img.css

base.css

menu.css

link.css

font.css

table.css

jquery.min.js

logo_bg.gif

logo.gif

mark_textchange.gif

font_change_small.gif

font_change_middle.gif

font_change_large.gif

menu_bg.gif

menu01_off.gif

menu02_off.gif

menu03_off.gif

menu04_off.gif

menu05_off.gif

menu06_off.gif

menu07_off.gif

menu08_off.gif

topmain_bg.gif

main_img01.jpg

body_bg.gif

title_bg.gif

icon_trmag.png

spacer.gif

trmag_42.jpg

btn_trmag01.gif

btn_trmag02.gif

icon_twitter.png

bnr_twitter.gif

icon_mail.png

bnr_mail.gif