Access kanko-chiyoda.jp. 【公式】東京都千代田区の観光情報公式サイト / Visit Chiyoda

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value40.1 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.199

62/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

kanko-chiyoda.jp

521 ms

visit-chiyoda.tokyo

2317 ms

import.css

496 ms

top.css

848 ms

slick.css

511 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Kanko-chiyoda.jp, 85% (86 requests) were made to Visit-chiyoda.tokyo and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Visit-chiyoda.tokyo.

Content Size

14.1 MB

After Optimization

13.2 MB

In fact, the total size of Kanko-chiyoda.jp main page is 14.1 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. 70% of websites need less resources to load. Images take 13.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 66.1 kB

Original 79.4 kB
After minification 56.8 kB
After compression 13.3 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. This page needs HTML code to be minified as it can gain 22.6 kB, which is 29% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 66.1 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 670.1 kB

Original 13.8 MB
After minification 13.1 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. Kanko Chiyoda images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 40.1 kB

Original 104.6 kB
After minification 101.6 kB
After compression 64.5 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 40.1 kB or 38% of the original size.

CSS Optimization

-84%

Potential reduce by 74.6 kB

Original 88.9 kB
After minification 64.2 kB
After compression 14.2 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. Kanko-chiyoda.jp needs all CSS files to be minified and compressed as it can save up to 74.6 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kanko Chiyoda. 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 9 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-hidden="true"] elements contain focusable descendents

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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.

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

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

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kanko-chiyoda.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 Kanko-chiyoda.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

kanko-chiyoda.jp

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

【公式】東京都千代田区の観光情報公式サイト / Visit Chiyoda

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

kanko-chiyoda.jp

visit-chiyoda.tokyo

import.css

top.css

slick.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

kanko-chiyoda.jp

visit-chiyoda.tokyo

import.css

top.css

slick.css

slick-theme.css

jquery.min.js

css

css

normalize.css

style.css

smart.css

gtm.js

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menu.png

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icon01.png

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opa_list01.png

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icon_pin.png

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