Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

kobe.serenclinic.or.jp

がん免疫療法・がんワクチン治療なら|セレンクリニック

Page Load Speed

5.7 sec in total

First Response

893 ms

Resources Loaded

4.6 sec

Page Rendered

261 ms

kobe.serenclinic.or.jp screenshot

About Website

Visit kobe.serenclinic.or.jp now to see the best up-to-date Kobe Serenclinic content for Japan and also check out these interesting facts you probably never knew about kobe.serenclinic.or.jp

セレンクリニック東京・名古屋・神戸・福岡は、免疫療法・免疫細胞療法・がんワクチン治療・樹状細胞ワクチン療法でがん治療を行います。樹状細胞ワクチン療法は、患者さんにあわせたテーラーメイド治療です。

Visit kobe.serenclinic.or.jp

Key Findings

We analyzed Kobe.serenclinic.or.jp page load time and found that the first response time was 893 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

kobe.serenclinic.or.jp performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value20.4 s

0/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.698

7/100

15%

TTI (Time to Interactive)

Value11.2 s

19/100

10%

Network Requests Diagram

kobe.serenclinic.or.jp

893 ms

4249830311.js

187 ms

common.css

346 ms

index.css

353 ms

jquery.js

883 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 90% of them (75 requests) were addressed to the original Kobe.serenclinic.or.jp, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Cdn.optimizely.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Kobe.serenclinic.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 316.3 kB (26%)

Content Size

1.2 MB

After Optimization

906.1 kB

In fact, the total size of Kobe.serenclinic.or.jp main page is 1.2 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. 30% of websites need less resources to load. Images take 851.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.2 kB

  • Original 20.8 kB
  • After minification 16.6 kB
  • After compression 4.6 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 4.2 kB, which is 20% 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 16.2 kB or 78% of the original size.

Image Optimization

-10%

Potential reduce by 88.7 kB

  • Original 851.5 kB
  • After minification 762.8 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. Kobe Serenclinic images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 205.4 kB

  • Original 341.7 kB
  • After minification 340.5 kB
  • After compression 136.3 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 205.4 kB or 60% of the original size.

CSS Optimization

-71%

Potential reduce by 5.9 kB

  • Original 8.3 kB
  • After minification 7.2 kB
  • After compression 2.4 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. Kobe.serenclinic.or.jp needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (26%)

Requests Now

80

After Optimization

59

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kobe Serenclinic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kobe.serenclinic.or.jp accessibility score

92

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

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.

Impact

Issue

High

Links do not have a discernible name

Best Practices

kobe.serenclinic.or.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kobe.serenclinic.or.jp SEO score

98

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kobe.serenclinic.or.jp can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Kobe.serenclinic.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

Open Graph data is detected on the main page of Kobe Serenclinic. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: