Tools & Wizards About Us
j-immunother.com screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

j-immunother.com

がん免疫療法（免疫細胞治療）専門医療機関｜瀬田クリニック東京

Page Load Speed

6.5 sec in total

First Response

496 ms

Resources Loaded

5.6 sec

Page Rendered

442 ms

j-immunother.com screenshot

About Website

Visit j-immunother.com now to see the best up-to-date J Immunother content for Japan and also check out these interesting facts you probably never knew about j-immunother.com

1999年から20年の実績と23,000名を超える治療経験をもとに、患者さまのがん細胞の性質・特徴を遺伝子レベルで調べ、個別化医療として一人ひとりにあったがん免疫療法（免疫細胞治療）の専門医療機関として行っています。

Visit j-immunother.com

Key Findings

We analyzed J-immunother.com page load time and found that the first response time was 496 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

j-immunother.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.448

20/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

j-immunother.com

496 ms

www.j-immunother.com

1147 ms

gtm.js

74 ms

style.css

185 ms

general.css

363 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 94% of them (103 requests) were addressed to the original J-immunother.com, 2% (2 requests) were made to Google.com and 2% (2 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain J-immunother.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.7 kB (15%)

Content Size

979.7 kB

After Optimization

830.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of J-immunother.com main page is 979.7 kB. 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 741.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 78.6 kB

  • Original 93.9 kB
  • After minification 74.4 kB
  • After compression 15.3 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. This page needs HTML code to be minified as it can gain 19.5 kB, which is 21% 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 78.6 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 31.1 kB

  • Original 741.6 kB
  • After minification 710.5 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. J Immunother images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 16.9 kB

  • Original 78.1 kB
  • After minification 78.1 kB
  • After compression 61.3 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 16.9 kB or 22% of the original size.

CSS Optimization

-35%

Potential reduce by 23.2 kB

  • Original 66.1 kB
  • After minification 65.6 kB
  • After compression 42.9 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. J-immunother.com needs all CSS files to be minified and compressed as it can save up to 23.2 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (32%)

Requests Now

105

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J Immunother. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

j-immunother.com

j-immunother.com

496 ms

www.j-immunother.com

www.j-immunother.com

1147 ms

gtm.js

gtm.js

74 ms

style.css

style.css

185 ms

general.css

general.css

363 ms

contents_161005.css

contents_161005.css

690 ms

header.css

header.css

523 ms

menu.css

menu.css

523 ms

footer.css

footer.css

537 ms

form.css

form.css

539 ms

sidebar.css

sidebar.css

539 ms

image_160908.css

image_160908.css

694 ms

font-awesome.css

font-awesome.css

695 ms

media_161005.css

media_161005.css

716 ms

add_20170801.css

add_20170801.css

714 ms

append.css

append.css

719 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

1028 ms

menu_home.js

menu_home.js

865 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

865 ms

jquery.fancybox.css

jquery.fancybox.css

889 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

889 ms

common.js

common.js

890 ms

common_old.js

common_old.js

1181 ms

flexslider.css

flexslider.css

1182 ms

public.css

public.css

1183 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1184 ms

embed

embed

347 ms

embed

embed

518 ms

data

data

119 ms

china01.png

china01.png

190 ms

search1.png

search1.png

188 ms

bg_logoArea.png

bg_logoArea.png

190 ms

bg_page.png

bg_page.png

189 ms

logo.svg

logo.svg

357 ms

icon_phone02.png

icon_phone02.png

186 ms

menu09.png

menu09.png

346 ms

menu08.png

menu08.png

348 ms

menu03.png

menu03.png

347 ms

menu04.png

menu04.png

355 ms

menu05.png

menu05.png

355 ms

menu06.png

menu06.png

516 ms

menu07.png

menu07.png

518 ms

slide_shadow.png

slide_shadow.png

518 ms

slide28.png

slide28.png

709 ms

sp_slide28.png

sp_slide28.png

886 ms

slide26.jpg

slide26.jpg

710 ms

sp_slide26.jpg

sp_slide26.jpg

857 ms

slide25.png

slide25.png

1033 ms

sp_slide25.png

sp_slide25.png

1205 ms

begin_01_2.png

begin_01_2.png

886 ms

begin_01_2_sp.png

begin_01_2_sp.png

887 ms

begin_02_2.png

begin_02_2.png

1028 ms

begin_02_2_sp.png

begin_02_2_sp.png

1063 ms

begin_03_2.png

begin_03_2.png

1063 ms

begin_03_2_sp.png

begin_03_2_sp.png

1065 ms

begin_04_2.png

begin_04_2.png

1199 ms

begin_04_2_sp.png

begin_04_2_sp.png

1206 ms

bnr_message.gif

bnr_message.gif

1240 ms

bnr_sp_message.gif

bnr_sp_message.gif

1239 ms

bnr_230711.png

bnr_230711.png

1241 ms

bnr_180619.png

bnr_180619.png

1260 ms

bnr_230712.png

bnr_230712.png

1266 ms

bnr_13.webp

bnr_13.webp

1268 ms

bnr_10_sp.webp

bnr_10_sp.webp

1308 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1307 ms

bnr_05.webp

bnr_05.webp

1235 ms

bnr_04.webp

bnr_04.webp

1356 ms

bnr_14.webp

bnr_14.webp

1363 ms

bnr_06.webp

bnr_06.webp

1366 ms

bnr_02.webp

bnr_02.webp

1411 ms

js

js

50 ms

bnr_12.webp

bnr_12.webp

1255 ms

attention.png

attention.png

1255 ms

newstab1_o.gif

newstab1_o.gif

1368 ms

newstab2.gif

newstab2.gif

1369 ms

newstab3.gif

newstab3.gif

1372 ms

icon_about2.png

icon_about2.png

1413 ms

js

js

39 ms

icon_1.png

icon_1.png

1263 ms

icon_2.png

icon_2.png

1261 ms

icon_3.png

icon_3.png

1366 ms

icon_about.png

icon_about.png

1186 ms

list_icon_2.png

list_icon_2.png

1189 ms

img_about1.gif

img_about1.gif

1100 ms

btn_left01.png

btn_left01.png

1070 ms

btn_left02.png

btn_left02.png

1069 ms

btn_left03.png

btn_left03.png

1168 ms

btn_left04.png

btn_left04.png

1039 ms

left_bn14.png

left_bn14.png

1037 ms

sideBnr_180619.png

sideBnr_180619.png

1070 ms

left_bn06.png

left_bn06.png

1068 ms

left_bn13.png

left_bn13.png

1068 ms

left_bn05.png

left_bn05.png

1027 ms

left_bn08.png

left_bn08.png

1035 ms

left_bn09.png

left_bn09.png

1038 ms

left_bn10.png

left_bn10.png

1069 ms

left_bn03_02.png

left_bn03_02.png

1070 ms

arrow_1.png

arrow_1.png

1069 ms

trackingBg2.png

trackingBg2.png

1026 ms

trackingBnr3.png

trackingBnr3.png

1034 ms

trackingBnr1.png

trackingBnr1.png

1037 ms

trackingBnr4.png

trackingBnr4.png

1067 ms

trackingBnr2.png

trackingBnr2.png

1068 ms

trackingBnr6.png

trackingBnr6.png

1061 ms

trackingBnr5.png

trackingBnr5.png

1026 ms

trackingFbBnr.png

trackingFbBnr.png

1034 ms

trackingBlogBnr.png

trackingBlogBnr.png

1037 ms

bg_direction_nav02.png

bg_direction_nav02.png

1067 ms

print.css

print.css

177 ms

Accessibility Review

j-immunother.com accessibility score

79

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

j-immunother.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

SEO Factors

j-immunother.com SEO score

91

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

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

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J-immunother.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 J-immunother.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

j-immunother.com

Open Graph description is not detected on the main page of J Immunother. 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: