Access keiwa-kai.com. KU歯科クリニック-インプラント、審美、矯正歯科、一般歯科など歯医者・歯科医院は、東京渋谷青山銀座世田谷（三軒茶屋）成城学園南品川（青物横丁） |

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value26.2 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value7,320 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value194.4 s

0/100

10%

keiwa-kai.com

672 ms

keiwa-kai.com

2411 ms

tvz2rem.js

120 ms

style.css

1936 ms

style.min.css

1585 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 79% of them (74 requests) were addressed to the original Keiwa-kai.com, 9% (8 requests) were made to Keiwa-kai-kudc.sakura.ne.jp and 5% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Keiwa-kai.com.

Content Size

5.1 MB

After Optimization

4.1 MB

In fact, the total size of Keiwa-kai.com main page is 5.1 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. 75% 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. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 181.3 kB

Original 207.8 kB
After minification 176.3 kB
After compression 26.6 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 31.6 kB, which is 15% 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 181.3 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 40.7 kB

Original 3.7 MB
After minification 3.7 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. Keiwa Kai images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 306.3 kB

Original 625.4 kB
After minification 567.2 kB
After compression 319.1 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 306.3 kB or 49% of the original size.

CSS Optimization

-87%

Potential reduce by 436.7 kB

Original 504.4 kB
After minification 400.2 kB
After compression 67.7 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. Keiwa-kai.com needs all CSS files to be minified and compressed as it can save up to 436.7 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keiwa Kai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 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 input fields do not have accessible names

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

Image elements do not have [alt] attributes

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

Low

Detected JavaScript libraries

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

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 Keiwa-kai.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 Keiwa-kai.com 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

keiwa-kai.com

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

KU歯科クリニック-インプラント、審美、矯正歯科、一般歯科など歯医者・歯科医院は、東京 渋谷 青山 銀座 世田谷（三軒茶屋） 成城学園 南品川（青物横丁） |

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

keiwa-kai.com

keiwa-kai.com

tvz2rem.js

style.css

style.min.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

keiwa-kai.com

keiwa-kai.com

tvz2rem.js

style.css

style.min.css

p.gif

jquery-ui.min.css

jquery.min.js

jquery-migrate.min.js

jquery.validationEngine.js

jquery.validationEngine-ja.js

jquery.ui.core.min.js

jquery.ui.datepicker-ja.min.js

jquery.ui.datepicker.min.js

appoint.js

design-plus.css

sns-botton.css

jquery.easing.1.4.js

jscript.js

comment.js

simplebar.css

simplebar.min.js

header_fix.js

header_fix_mobile.js

js

slick.css

custom.js

slick.min.js

api.js

responsive.css

footer-bar.css

gtm.js

0000340415_%E5%B8%83%E8%A2%8B-%E7%BE%8E%E6%A8%B9_Camera_20231222103407-scaled.jpeg

KU_logo_ol.jpg

clinic_main01-1.jpg

clinic_main02-1.jpg

clinic_main01-2.jpg

clinic_main01.png

clinic_photo_big_setagaya.png

clinic_main01-3.jpg

clinic_main01-4.jpg

btn_counseling.svg

btn_line.svg

KU歯科クリニック-インプラント、審美、矯正歯科、一般歯科など歯医者・歯科医院は、東京渋谷青山銀座世田谷（三軒茶屋）成城学園南品川（青物横丁） |