Tools & Wizards About Us
karateman.jp screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

karateman.jp

空手 東京 極真空手 | 極真空手 東京 六本木 新橋道場

Page Load Speed

5.7 sec in total

First Response

660 ms

Resources Loaded

4.9 sec

Page Rendered

161 ms

karateman.jp screenshot

About Website

Click here to check amazing Karateman content. Otherwise, check out these important facts you probably never knew about karateman.jp

極真空手で心身鍛錬。在籍者の80％が40代以上のビジネスマン・OL方々です。極真空手を安全に稽古して自信をつけま せんか。何かを始めなければ何も始まらない。無料体験実施中！極真会館（松井派）東京城南港支部（六本木・新橋・田町道場：支部長志田清之氏）の公式ホームページです

Visit karateman.jp

Key Findings

We analyzed Karateman.jp page load time and found that the first response time was 660 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

karateman.jp performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value3,460 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value27.1 s

0/100

10%

Network Requests Diagram

karateman.jp

660 ms

jquery.js

643 ms

common.js

323 ms

external.js

348 ms

swfobject_modified.js

529 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 60% of them (61 requests) were addressed to the original Karateman.jp, 18% (18 requests) were made to Platform.twitter.com and 8% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Karateman.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 450.4 kB (11%)

Content Size

4.3 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Karateman.jp main page is 4.3 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. Only a small number of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 21.8 kB

  • Original 29.3 kB
  • After minification 27.0 kB
  • After compression 7.5 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 21.8 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 356.4 kB

  • Original 3.9 MB
  • After minification 3.5 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. Karateman images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 58.9 kB

  • Original 265.5 kB
  • After minification 256.9 kB
  • After compression 206.7 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 58.9 kB or 22% of the original size.

CSS Optimization

-18%

Potential reduce by 13.4 kB

  • Original 74.8 kB
  • After minification 72.5 kB
  • After compression 61.5 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. Karateman.jp needs all CSS files to be minified and compressed as it can save up to 13.4 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (33%)

Requests Now

99

After Optimization

66

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Karateman. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

karateman.jp

karateman.jp

660 ms

jquery.js

jquery.js

643 ms

common.js

common.js

323 ms

external.js

external.js

348 ms

swfobject_modified.js

swfobject_modified.js

529 ms

basestyles.css

basestyles.css

374 ms

top.css

top.css

375 ms

news.js

news.js

484 ms

r_menu.js

r_menu.js

365 ms

foot.js

foot.js

402 ms

menu.css

menu.css

162 ms

analytics.js

analytics.js

22 ms

bg.jpg

bg.jpg

558 ms

head_bg.png

head_bg.png

1239 ms

logo.png

logo.png

650 ms

bg_900.png

bg_900.png

163 ms

menu_bg.gif

menu_bg.gif

178 ms

bot1.gif

bot1.gif

187 ms

bot3.gif

bot3.gif

558 ms

bot4.gif

bot4.gif

648 ms

bot5.gif

bot5.gif

648 ms

bot6.gif

bot6.gif

648 ms

bot7.gif

bot7.gif

648 ms

bot10.gif

bot10.gif

767 ms

bot9.gif

bot9.gif

766 ms

bot11.gif

bot11.gif

767 ms

text_base.gif

text_base.gif

766 ms

ch1.jpg

ch1.jpg

766 ms

ch2.jpg

ch2.jpg

1009 ms

ch3.jpg

ch3.jpg

1010 ms

ch4.jpg

ch4.jpg

1009 ms

ch5.jpg

ch5.jpg

1009 ms

01.jpg

01.jpg

1010 ms

02.jpg

02.jpg

1117 ms

03.jpg

03.jpg

1118 ms

04.jpg

04.jpg

1234 ms

05.jpg

05.jpg

1234 ms

06.jpg

06.jpg

1236 ms

minato_2013_08.jpg

minato_2013_08.jpg

1250 ms

minato_2013_06.jpg

minato_2013_06.jpg

1249 ms

minato_2013_04.jpg

minato_2013_04.jpg

1286 ms

minato_2012_09.jpg

minato_2012_09.jpg

3584 ms

minato_2012_06.jpg

minato_2012_06.jpg

3182 ms

minato_2012_03.jpg

minato_2012_03.jpg

2634 ms

minato03.gif

minato03.gif

1411 ms

minato03.gif

minato03.gif

1571 ms

minato02.gif

minato02.gif

1473 ms

info_bar.gif

info_bar.gif

1558 ms

widgets.js

widgets.js

47 ms

collect

collect

30 ms

FEe_04Ohmkw

FEe_04Ohmkw

148 ms

XXVOtarjY04

XXVOtarjY04

571 ms

js

js

100 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

164 ms

topics.php

topics.php

1536 ms

topics_bar.gif

topics_bar.gif

1561 ms

youtube.gif

youtube.gif

1551 ms

www-player.css

www-player.css

21 ms

www-embed-player.js

www-embed-player.js

23 ms

base.js

base.js

65 ms

settings

settings

445 ms

ad_status.js

ad_status.js

338 ms

EirmVnnNlSgqRyHN1YLvHhRw11SWUqUPb76JYHphonQ.js

EirmVnnNlSgqRyHN1YLvHhRw11SWUqUPb76JYHphonQ.js

282 ms

embed.js

embed.js

177 ms

campain2.gif

campain2.gif

1315 ms

campain.gif

campain.gif

1335 ms

member.gif

member.gif

1252 ms

koe.gif

koe.gif

1399 ms

mobile.gif

mobile.gif

1414 ms

rop.jpg

rop.jpg

1413 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

354 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

356 ms

shinbashi.gif

shinbashi.gif

1571 ms

4nLCZKvQY38tbyyBZMU9utS1q7asvK8oMBNQA7Rr7KOCFCqaj0eikL2RJlL0NhW0ltEwdxnAyig=s68-c-k-c0x00ffffff-no-rj

4nLCZKvQY38tbyyBZMU9utS1q7asvK8oMBNQA7Rr7KOCFCqaj0eikL2RJlL0NhW0ltEwdxnAyig=s68-c-k-c0x00ffffff-no-rj

292 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

170 ms

tamachi.gif

tamachi.gif

1456 ms

blog_life.gif

blog_life.gif

1457 ms

az.gif

az.gif

1628 ms

foot_base.gif

foot_base.gif

1617 ms

Create

Create

231 ms

Create

Create

227 ms

id

id

219 ms

GenerateIT

GenerateIT

20 ms

GenerateIT

GenerateIT

18 ms

shidadojo

shidadojo

89 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

22 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

44 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

66 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

74 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

90 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

90 ms

_buildManifest.js

_buildManifest.js

118 ms

_ssgManifest.js

_ssgManifest.js

118 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

22 ms

7651.a95a6a76dc7859214377.js

7651.a95a6a76dc7859214377.js

20 ms

8283.f3e5048cca7cef5eed7f.js

8283.f3e5048cca7cef5eed7f.js

23 ms

3077.44bfeb00af01bc4020f6.js

3077.44bfeb00af01bc4020f6.js

37 ms

1362.42d432e02f7980bca032.js

1362.42d432e02f7980bca032.js

45 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

63 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

24 ms

log_event

log_event

23 ms

log_event

log_event

19 ms

Accessibility Review

karateman.jp accessibility score

63

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.

Tables and lists

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

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

<object> elements do not have alternate text

Best Practices

karateman.jp best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

karateman.jp SEO score

67

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

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 Karateman.jp 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 Karateman.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

karateman.jp

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