Access datsumou-clinic.net. 脱毛なら美容皮膚科で安心安全の脱毛(永久脱毛)を

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value4.6 s

82/100

10%

datsumou-clinic.net

1229 ms

style_common.css

173 ms

lightbox.css

331 ms

fixed.css

332 ms

common.js

343 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 93% of them (125 requests) were addressed to the original Datsumou-clinic.net, 1% (2 requests) were made to B92.yahoo.co.jp and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Datsumou-clinic.net.

Content Size

1.1 MB

After Optimization

1.1 MB

In fact, the total size of Datsumou-clinic.net main page is 1.1 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. 50% of websites need less resources to load. Images take 948.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 17.6 kB

Original 24.8 kB
After minification 22.3 kB
After compression 7.2 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 17.6 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

Original 948.4 kB
After minification 947.2 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. Datsumou Clinic images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 40.4 kB

Original 133.4 kB
After minification 133.4 kB
After compression 93.1 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 40.4 kB or 30% of the original size.

CSS Optimization

-18%

Potential reduce by 2.2 kB

Original 12.3 kB
After minification 12.2 kB
After compression 10.1 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. Datsumou-clinic.net needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 18% of the original size.

Requests Now

128

After Optimization

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datsumou Clinic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 20 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Search Engine Optimization Advices

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

JA
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datsumou-clinic.net 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 Datsumou-clinic.net 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

datsumou-clinic.net

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

脱毛なら美容皮膚科で安心安全の脱毛(永久脱毛)を｜城本クリニック

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

datsumou-clinic.net

style_common.css

lightbox.css

fixed.css

common.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

datsumou-clinic.net

style_common.css

lightbox.css

fixed.css

common.js

aScroller-1.0.js

spica.js

lightbox_plus.js

jquery-1.2.3.pack.js

jquery.js

ui.tabs.pack.js

fixed.js

s_retargeting.js

conversion.js

base.css

font.css

page.css

header.css

footer.css

top.css

sidemenu.css

clinic.css

doctor.css

campaign.css

area.css

info.css

form.css

word.css

ui.tabs.css

detail.css

expand.css

s_retargeting.js

bg_tp.gif

bg.gif

logo.jpg

btn_official.jpg

tp2_freedial.jpg

btn_tp2_yoyaku.jpg

btn_tp2_soudan.jpg

main_bg.gif

rightside_bg.gif

main_img.jpg

btn_contact.jpg