Tools & Wizards About Us
fctokyo.co.jp screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

fctokyo.co.jp

FC東京オフィシャルホームページ | F.C.TOKYO

Page Load Speed

12.9 sec in total

First Response

539 ms

Resources Loaded

11.9 sec

Page Rendered

417 ms

fctokyo.co.jp screenshot

About Website

Welcome to fctokyo.co.jp homepage info - get ready to check F C TOKYO best content for Japan right away, or after learning these important things about fctokyo.co.jp

最新ニュース、選手や試合日程・結果、味の素スタジアム観戦ガイド(アクセス)、チケット、グッズ、アカデミー、スクールの情報など、FC東京に関する情報をご覧いただけます。

Visit fctokyo.co.jp

Key Findings

We analyzed Fctokyo.co.jp page load time and found that the first response time was 539 ms and then it took 12.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

fctokyo.co.jp performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value29.0 s

0/100

25%

SI (Speed Index)

Value37.5 s

0/100

10%

TBT (Total Blocking Time)

Value49,920 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value99.2 s

0/100

10%

Network Requests Diagram

fctokyo.co.jp

539 ms

www.fctokyo.co.jp

1094 ms

stylenew.css

624 ms

clocknew.css

314 ms

camera.css

503 ms

Our browser made a total of 208 requests to load all elements on the main page. We found that 80% of them (167 requests) were addressed to the original Fctokyo.co.jp, 6% (12 requests) were made to Google.com and 3% (6 requests) were made to Jleague.jp. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Fctokyo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (24%)

Content Size

6.5 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fctokyo.co.jp main page is 6.5 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. 55% of websites need less resources to load. Images take 5.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 119.8 kB

  • Original 144.3 kB
  • After minification 136.3 kB
  • After compression 24.5 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 119.8 kB or 83% of the original size.

Image Optimization

-18%

Potential reduce by 1.0 MB

  • Original 5.8 MB
  • After minification 4.8 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. Obviously, F C TOKYO needs image optimization as it can save up to 1.0 MB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 333.2 kB

  • Original 500.7 kB
  • After minification 455.9 kB
  • After compression 167.4 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 333.2 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 69.9 kB

  • Original 82.7 kB
  • After minification 65.9 kB
  • After compression 12.8 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. Fctokyo.co.jp needs all CSS files to be minified and compressed as it can save up to 69.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (28%)

Requests Now

199

After Optimization

144

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 199 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F C TOKYO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

fctokyo.co.jp

fctokyo.co.jp

539 ms

www.fctokyo.co.jp

www.fctokyo.co.jp

1094 ms

stylenew.css

stylenew.css

624 ms

clocknew.css

clocknew.css

314 ms

camera.css

camera.css

503 ms

ui.tabs.css

ui.tabs.css

340 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

1038 ms

jquery.autoheight.js

jquery.autoheight.js

470 ms

jquery.carouFredSel.js

jquery.carouFredSel.js

1011 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

626 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

668 ms

jquery.ba-throttle-debounce.min.js

jquery.ba-throttle-debounce.min.js

718 ms

smoothscroll.js

smoothscroll.js

773 ms

smartRollover.js

smartRollover.js

780 ms

ui.core.js

ui.core.js

835 ms

ui.tabs.js

ui.tabs.js

898 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

942 ms

camera.min.js

camera.min.js

1251 ms

jquery.droppy.js

jquery.droppy.js

1001 ms

banner.js

banner.js

1078 ms

592 ms

back_2015.jpg

back_2015.jpg

1824 ms

mobile.jpg

mobile.jpg

478 ms

logo.png

logo.png

940 ms

site.png

site.png

363 ms

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01.gif

280 ms

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02.gif

281 ms

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04.gif

508 ms

coa.png

coa.png

692 ms

long30.png

long30.png

537 ms

short07-h.png

short07-h.png

638 ms

nhg.png

nhg.png

1010 ms

fctokyo.png

fctokyo.png

885 ms

vs.png

vs.png

790 ms

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858 ms

toppanel_up.gif

toppanel_up.gif

947 ms

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1022 ms

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1058 ms

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1094 ms

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1104 ms

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1178 ms

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1188 ms

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1232 ms

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1261 ms

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1263 ms

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1346 ms

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1524 ms

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home_back.gif

1406 ms

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1420 ms

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1423 ms

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1513 ms

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1580 ms

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1575 ms

mobile.jpg

mobile.jpg

1582 ms

sns_01.jpg

sns_01.jpg

1681 ms

sns_02.jpg

sns_02.jpg

1692 ms

cse.js

cse.js

33 ms

inc_scheduletop.php

inc_scheduletop.php

1738 ms

cse.js

cse.js

243 ms

ga.js

ga.js

31 ms

header.js

header.js

112 ms

126 ms

128 ms

__utm.gif

__utm.gif

40 ms

inc_left_seturank.php

inc_left_seturank.php

1495 ms

sns_03.jpg

sns_03.jpg

1459 ms

ftokyo.html

ftokyo.html

314 ms

jsapi

jsapi

46 ms

17 ms

26 ms

collect

collect

59 ms

35 ms

default+ja.css

default+ja.css

12 ms

default.css

default.css

62 ms

default+ja.I.js

default+ja.I.js

33 ms

sns_04.jpg

sns_04.jpg

1491 ms

default.css

default.css

39 ms

async-ads.js

async-ads.js

84 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

36 ms

small-logo.png

small-logo.png

19 ms

search_box_icon.png

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18 ms

clear.gif

clear.gif

24 ms

nav_logo114.png

nav_logo114.png

6 ms

j1_top_u23.jpg

j1_top_u23.jpg

1558 ms

diary.jpg

diary.jpg

1393 ms

volleyball.jpg

volleyball.jpg

1841 ms

reset.css

reset.css

5 ms

jheader.css

jheader.css

18 ms

analytics.js

analytics.js

17 ms

gpt.js

gpt.js

16 ms

jheader_jlogo.png

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14 ms

jheader_team_emb_s_bw.png

jheader_team_emb_s_bw.png

13 ms

pubads_impl_81.js

pubads_impl_81.js

14 ms

linkid.js

linkid.js

45 ms

bailetokyo.jpg

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1467 ms

ads

ads

68 ms

container.html

container.html

14 ms

collect

collect

26 ms

ntv_acl.jpg

ntv_acl.jpg

1669 ms

collect

collect

11 ms

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28 ms

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27 ms

osd.js

osd.js

15 ms

fc_e-uketsuke.jpg

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1567 ms

hn.png

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1199 ms

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1318 ms

activeview

activeview

15 ms

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18 ms

02.jpg

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1276 ms

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1345 ms

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1361 ms

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1433 ms

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1444 ms

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1362 ms

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1341 ms

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1457 ms

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1380 ms

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1432 ms

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1341 ms

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1305 ms

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1489 ms

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1391 ms

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1329 ms

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1321 ms

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1286 ms

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1298 ms

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1406 ms

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1317 ms

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1308 ms

tokyo-logo.jpg

tokyo-logo.jpg

1292 ms

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1295 ms

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1493 ms

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1521 ms

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2075 ms

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1578 ms

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1887 ms

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1425 ms

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1508 ms

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1427 ms

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1428 ms

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1527 ms

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1513 ms

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1687 ms

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1947 ms

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1892 ms

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1858 ms

bn02.gif

bn02.gif

1693 ms

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bn03.jpg

1690 ms

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1589 ms

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1878 ms

anime_his.gif

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1732 ms

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1711 ms

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1849 ms

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1833 ms

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1761 ms

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1737 ms

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1742 ms

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1861 ms

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1863 ms

jcom.gif

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1776 ms

xscore.gif

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1572 ms

soccer.gif

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1516 ms

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1448 ms

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1543 ms

topbackl.png

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2320 ms

topback.png

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1861 ms

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1562 ms

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1397 ms

clock.png

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1482 ms

databox.png

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1641 ms

panel_under.gif

panel_under.gif

1392 ms

title01.jpg

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1637 ms

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1937 ms

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1518 ms

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1652 ms

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1622 ms

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1628 ms

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1629 ms

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1541 ms

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1411 ms

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1460 ms

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1439 ms

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1409 ms

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1404 ms

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1598 ms

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1424 ms

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2599 ms

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1733 ms

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2677 ms

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3661 ms

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1899 ms

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1935 ms

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2096 ms

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2254 ms

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1102 ms

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158 ms

Accessibility Review

fctokyo.co.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.

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

Links do not have a discernible name

Best Practices

fctokyo.co.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

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

fctokyo.co.jp SEO score

82

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

High

Tap targets are not sized appropriately

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 Fctokyo.co.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 Fctokyo.co.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

fctokyo.co.jp

Open Graph description is not detected on the main page of F C TOKYO. 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: