Access nihondokan.co.jp. 日本道観（公式ホームページ）|

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,260 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.104

88/100

15%

TTI (Time to Interactive)

Value28.8 s

0/100

10%

nihondokan.co.jp

554 ms

nihondokan.co.jp

655 ms

www.nihondokan.co.jp

1044 ms

base.css

656 ms

design.css

991 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 58% of them (61 requests) were addressed to the original Nihondokan.co.jp, 17% (18 requests) were made to Platform.twitter.com and 6% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Nihondokan.co.jp.

Content Size

1.6 MB

After Optimization

1.1 MB

In fact, the total size of Nihondokan.co.jp main page is 1.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 669.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 26.6 kB

Original 37.5 kB
After minification 35.7 kB
After compression 10.9 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 26.6 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 41.5 kB

Original 638.3 kB
After minification 596.8 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. Nihondokan images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 284.5 kB

Original 669.3 kB
After minification 544.8 kB
After compression 384.8 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 284.5 kB or 42% of the original size.

CSS Optimization

-59%

Potential reduce by 123.2 kB

Original 210.4 kB
After minification 181.7 kB
After compression 87.2 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. Nihondokan.co.jp needs all CSS files to be minified and compressed as it can save up to 123.2 kB or 59% of the original size.

Requests Now

After Optimization

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nihondokan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 6 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 Nihondokan.co.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 Nihondokan.co.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

nihondokan.co.jp

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

日本道観（公式ホームページ）|

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

nihondokan.co.jp

nihondokan.co.jp

www.nihondokan.co.jp

base.css

design.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

nihondokan.co.jp

nihondokan.co.jp

www.nihondokan.co.jp

base.css

design.css

jquery.bxslider.css

nav.js

mm_css_menu.js

AC_RunActiveContent.js

jquery.js

g_analytics.js

jquery.bxslider.min.js

g_analytics.js

g_analytics.js

widgets.js

analytics.js

bn_stepmail.png

logo.gif

ic_cir_bro01.gif

g_home_ov.gif

g_about_02.gif

g_philosophy.gif

g_relationship_02.gif

g_histry.gif

g_special_02.gif

g_contribution.gif

key_01.gif

key_105th.gif

key_03.gif

t_special02.gif

t_taoism02.gif

t_dokyo02.gif

facebook.jpg

bn_taoacademy.png

t_world.gif

bn_tpcs_200419.png

bn_tpcs_200306.jpg

bn_tpcs_200216.jpg

bn_tpcs_200126.jpg

bn_tpcs_200214.jpg

bn_tpcs_200213.jpg

bn_tpcs_200212.jpg

bn_tpcs_200205.jpg