Tools & Wizards About Us
chabadjapan.org screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

chabadjapan.org

Jewish Community Chabad Japan - Tokyo חבד טוקיו יפן הקהילה היהודית - Chabad Tokyo Japan

Page Load Speed

4 sec in total

First Response

565 ms

Resources Loaded

3.1 sec

Page Rendered

339 ms

chabadjapan.org screenshot

About Website

Click here to check amazing Chabad Japan content for Japan. Otherwise, check out these important facts you probably never knew about chabadjapan.org

The Official Chabad House of Tokyo, Japan. The Jewish Center providing kosher food and catering for Jews and non-Jews. Located in Omori, Tokyo.

Visit chabadjapan.org

Key Findings

We analyzed Chabadjapan.org page load time and found that the first response time was 565 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

chabadjapan.org performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

www.chabadjapan.org

565 ms

style.css

318 ms

ThemeJS.js

127 ms

add-link-to-facebook.css

244 ms

styles.css

245 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 27% of them (16 requests) were addressed to the original Chabadjapan.org, 32% (19 requests) were made to Static.xx.fbcdn.net and 18% (11 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (565 ms) belongs to the original domain Chabadjapan.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.8 kB (33%)

Content Size

493.1 kB

After Optimization

330.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chabadjapan.org main page is 493.1 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. 25% of websites need less resources to load. Images take 272.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 37.6 kB

  • Original 47.0 kB
  • After minification 36.1 kB
  • After compression 9.4 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 10.9 kB, which is 23% 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 37.6 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 5.0 kB

  • Original 272.6 kB
  • After minification 267.6 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. Chabad Japan images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 100.9 kB

  • Original 149.7 kB
  • After minification 140.1 kB
  • After compression 48.8 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 100.9 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 19.3 kB

  • Original 23.7 kB
  • After minification 15.7 kB
  • After compression 4.4 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. Chabadjapan.org needs all CSS files to be minified and compressed as it can save up to 19.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (53%)

Requests Now

59

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chabad Japan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.chabadjapan.org

www.chabadjapan.org

565 ms

style.css

style.css

318 ms

ThemeJS.js

ThemeJS.js

127 ms

add-link-to-facebook.css

add-link-to-facebook.css

244 ms

styles.css

styles.css

245 ms

jquery.js

jquery.js

348 ms

jquery-migrate.min.js

jquery-migrate.min.js

185 ms

xmlhttprequest.js

xmlhttprequest.js

251 ms

ec3.js

ec3.js

309 ms

widget.aspx

widget.aspx

232 ms

comment-reply.min.js

comment-reply.min.js

320 ms

jquery.form.min.js

jquery.form.min.js

331 ms

scripts.js

scripts.js

331 ms

ec3.css

ec3.css

80 ms

safe_subscribe_logo.gif

safe_subscribe_logo.gif

8 ms

1067616807.658.1767235427.png

1067616807.658.1767235427.png

188 ms

rebbe_card.jpg

rebbe_card.jpg

338 ms

post-separator.jpg

post-separator.jpg

147 ms

quotes-bg.gif

quotes-bg.gif

150 ms

all.js

all.js

158 ms

101 ms

xd_arbiter.php

xd_arbiter.php

146 ms

xd_arbiter.php

xd_arbiter.php

278 ms

xd_arbiter.php

xd_arbiter.php

84 ms

page.php

page.php

330 ms

like.php

like.php

110 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

299 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

209 ms

OuamSSjcmsY.css

OuamSSjcmsY.css

212 ms

_QsWeqtE88z.css

_QsWeqtE88z.css

126 ms

gP0dke6H83j.css

gP0dke6H83j.css

129 ms

m3UplzJmRpp.css

m3UplzJmRpp.css

127 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

235 ms

YvxwM8R7ol8.js

YvxwM8R7ol8.js

259 ms

ihptErjAmMX.js

ihptErjAmMX.js

209 ms

3So47A9WcrL.js

3So47A9WcrL.js

166 ms

cUsKAwzqrQw.js

cUsKAwzqrQw.js

288 ms

11811340_931500803557835_2823894112217948114_n.png

11811340_931500803557835_2823894112217948114_n.png

308 ms

safe_image.php

safe_image.php

268 ms

safe_image.php

safe_image.php

360 ms

safe_image.php

safe_image.php

418 ms

safe_image.php

safe_image.php

419 ms

11817251_931502243557691_3339650135407062284_n.png

11817251_931502243557691_3339650135407062284_n.png

338 ms

22194_10153306273378523_3985942535189633767_n.jpg

22194_10153306273378523_3985942535189633767_n.jpg

381 ms

11212748_983255185040577_774652878897120364_n.jpg

11212748_983255185040577_774652878897120364_n.jpg

465 ms

11150709_10206203778840650_4923759903287487023_n.jpg

11150709_10206203778840650_4923759903287487023_n.jpg

420 ms

164118_171833422853995_8194305_n.jpg

164118_171833422853995_8194305_n.jpg

466 ms

12512500_445875675613004_2175311512005864490_n.jpg

12512500_445875675613004_2175311512005864490_n.jpg

422 ms

1148857_10200220755432741_1711603536_n.jpg

1148857_10200220755432741_1711603536_n.jpg

423 ms

10857753_921180214560675_2734414551064537243_n.jpg

10857753_921180214560675_2734414551064537243_n.jpg

464 ms

1472073_10153582552695253_328610118_n.jpg

1472073_10153582552695253_328610118_n.jpg

462 ms

10487182_971355976233350_1232806785511920050_n.jpg

10487182_971355976233350_1232806785511920050_n.jpg

500 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

79 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

77 ms

GtIpNnEyqq_.png

GtIpNnEyqq_.png

77 ms

lRyN50VcaFW.js

lRyN50VcaFW.js

42 ms

R9a_DtVRZgv.js

R9a_DtVRZgv.js

43 ms

cUDgRFxaoIk.js

cUDgRFxaoIk.js

43 ms

0JBr1QHp8Gi.js

0JBr1QHp8Gi.js

41 ms

kDOzhTr2W91.js

kDOzhTr2W91.js

42 ms

Accessibility Review

chabadjapan.org accessibility score

78

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

chabadjapan.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chabadjapan.org SEO score

93

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chabadjapan.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Chabadjapan.org 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

chabadjapan.org

Open Graph description is not detected on the main page of Chabad Japan. 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: