Tools & Wizards About Us
i-seitoukai.or.jp screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

i-seitoukai.or.jp

御茶ノ水聖橋クリニック｜内科(循環器科・呼吸器科・消化器科・アレルギー科)、スポーツ専門外来、皮膚科/アレルギー科、美容皮膚科

Page Load Speed

4.6 sec in total

First Response

298 ms

Resources Loaded

4 sec

Page Rendered

332 ms

i-seitoukai.or.jp screenshot

About Website

Welcome to i-seitoukai.or.jp homepage info - get ready to check I Seitoukai best content for Japan right away, or after learning these important things about i-seitoukai.or.jp

文京区/千代田区、御茶ノ水駅の聖橋を渡ってすぐ、神田明神そばにて内科(循環器科/呼吸器科/消化器科/アレルギー科)・皮膚科(アレルギー科/美容皮膚科)・スポーツ専門外来を中心に夜間8時までの診療を行っております。

Visit i-seitoukai.or.jp

Key Findings

We analyzed I-seitoukai.or.jp page load time and found that the first response time was 298 ms and then it took 4.3 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

i-seitoukai.or.jp performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value1.082

2/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

i-seitoukai.or.jp

298 ms

www.i-seitoukai.or.jp

11 ms

www.i-seitoukai.or.jp

432 ms

gtm.js

62 ms

base.css

629 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 71% of them (32 requests) were addressed to the original I-seitoukai.or.jp, 9% (4 requests) were made to Platform.twitter.com and 7% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain I-seitoukai.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.8 kB (6%)

Content Size

2.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of I-seitoukai.or.jp main page is 2.3 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. 40% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 45.1 kB

  • Original 57.5 kB
  • After minification 55.5 kB
  • After compression 12.3 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. 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 45.1 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 77.3 kB

  • Original 2.0 MB
  • After minification 1.9 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. I Seitoukai images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 264 B

  • Original 189.5 kB
  • After minification 189.5 kB
  • After compression 189.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 12.1 kB

  • Original 104.0 kB
  • After minification 104.0 kB
  • After compression 91.9 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. I-seitoukai.or.jp needs all CSS files to be minified and compressed as it can save up to 12.1 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (48%)

Requests Now

42

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I Seitoukai. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

i-seitoukai.or.jp

i-seitoukai.or.jp

298 ms

www.i-seitoukai.or.jp

www.i-seitoukai.or.jp

11 ms

www.i-seitoukai.or.jp

www.i-seitoukai.or.jp

432 ms

gtm.js

gtm.js

62 ms

base.css

base.css

629 ms

common.css

common.css

499 ms

layout.css

layout.css

350 ms

global-navi-F010.css

global-navi-F010.css

362 ms

footer-033.css

footer-033.css

227 ms

heading-E001.css

heading-E001.css

351 ms

heading-G002.css

heading-G002.css

563 ms

heading-F008.css

heading-F008.css

679 ms

site-width-wide.css

site-width-wide.css

696 ms

base.js

base.js

1121 ms

js

js

76 ms

js

js

73 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

839 ms

iframe_api

iframe_api

44 ms

sp.js

sp.js

196 ms

btn-sp-menu.png

btn-sp-menu.png

336 ms

5cab16509ca18fda3efe593a.png

5cab16509ca18fda3efe593a.png

627 ms

651a216e8f46f068a0ab6711.png

651a216e8f46f068a0ab6711.png

671 ms

5c05ccaf597dbd7571419003.jpg

5c05ccaf597dbd7571419003.jpg

603 ms

5c3e88ece20f8d7e28860682.jpg

5c3e88ece20f8d7e28860682.jpg

1275 ms

5c459b0068f236963b4b81a6.jpg

5c459b0068f236963b4b81a6.jpg

1284 ms

64b0b6895c2fe10193101c0a.png

64b0b6895c2fe10193101c0a.png

947 ms

5c3e8238e20f8d7e2885ff03.jpg

5c3e8238e20f8d7e2885ff03.jpg

1222 ms

62ce30720aaef16f49f18804.jpg

62ce30720aaef16f49f18804.jpg

1299 ms

66628b71b25abc2741393dc5.jpg

66628b71b25abc2741393dc5.jpg

1294 ms

665fea5061a1082788524185.png

665fea5061a1082788524185.png

1620 ms

5f3e269a0139e57b7a400a77.png

5f3e269a0139e57b7a400a77.png

1882 ms

dotted-line.png

dotted-line.png

1436 ms

widgets.js

widgets.js

284 ms

sdk.js

sdk.js

69 ms

list-leaf.png

list-leaf.png

1356 ms

border-h4.png

border-h4.png

1533 ms

arrow_sub.png

arrow_sub.png

1385 ms

www-widgetapi.js

www-widgetapi.js

12 ms

sdk.js

sdk.js

15 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

149 ms

settings

settings

96 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

68 ms

embeds

embeds

29 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

84 ms

print.css

print.css

181 ms

Accessibility Review

i-seitoukai.or.jp accessibility score

76

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

i-seitoukai.or.jp best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

i-seitoukai.or.jp SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 I-seitoukai.or.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 I-seitoukai.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

i-seitoukai.or.jp

Open Graph description is not detected on the main page of I Seitoukai. 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: