Tools & Wizards About Us
katsutamarathon.jp screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

katsutamarathon.jp

第74回勝田全国マラソン【公式】

Page Load Speed

4.2 sec in total

First Response

491 ms

Resources Loaded

3.5 sec

Page Rendered

237 ms

katsutamarathon.jp screenshot

About Website

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

2027年1月31日（日）開催の「第74回勝田全国マラソン」【公式】サイトです。当サイトではコースマップ、エントリー情報などご覧いただけます。報などをご覧いただけます。

Visit katsutamarathon.jp

Key Findings

We analyzed Katsutamarathon.jp page load time and found that the first response time was 491 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

katsutamarathon.jp performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value2,050 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.342

32/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

katsutamarathon.jp

491 ms

katsutamarathon.jp

590 ms

js

70 ms

style.min.css

166 ms

jquery.min.js

30 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 79% of them (67 requests) were addressed to the original Katsutamarathon.jp, 6% (5 requests) were made to Youtube.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Katsutamarathon.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.7 kB (5%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katsutamarathon.jp main page is 1.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 81.7 kB

  • Original 104.1 kB
  • After minification 99.4 kB
  • After compression 22.4 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. 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 81.7 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 5.6 kB

  • Original 1.5 MB
  • After minification 1.5 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. Katsutamarathon images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 207.3 kB
  • After minification 207.3 kB
  • After compression 204.5 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

-7%

Potential reduce by 6.6 kB

  • Original 97.3 kB
  • After minification 96.3 kB
  • After compression 90.7 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. Katsutamarathon.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (21%)

Requests Now

78

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katsutamarathon. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

katsutamarathon.jp

katsutamarathon.jp

491 ms

katsutamarathon.jp

katsutamarathon.jp

590 ms

js

js

70 ms

style.min.css

style.min.css

166 ms

jquery.min.js

jquery.min.js

30 ms

style_bizvektor_sns.css

style_bizvektor_sns.css

305 ms

css

css

42 ms

bizvektor_common.css

bizvektor_common.css

427 ms

rbs_std.css

rbs_std.css

447 ms

style.css

style.css

436 ms

biz-vektor-min.js

biz-vektor-min.js

435 ms

flexslider.css

flexslider.css

142 ms

sdk.js

sdk.js

83 ms

CS3GBdrvHsc

CS3GBdrvHsc

174 ms

header-banner.jpg

header-banner.jpg

638 ms

mainvisual.jpg

mainvisual.jpg

943 ms

result.jpg

result.jpg

484 ms

update.jpg

update.jpg

155 ms

ouennavi.jpg

ouennavi.jpg

160 ms

toplast.jpg

toplast.jpg

151 ms

result_banner.png

result_banner.png

483 ms

athletes_list.jpg

athletes_list.jpg

485 ms

bnr-worksheet.jpg

bnr-worksheet.jpg

486 ms

bnr-ascbanner.jpg

bnr-ascbanner.jpg

729 ms

btn_mypage.png

btn_mypage.png

502 ms

bnr_mcc.jpg

bnr_mcc.jpg

537 ms

bnr_sponsor.jpg

bnr_sponsor.jpg

559 ms

btn_volunteer.png

btn_volunteer.png

729 ms

bnr-dl-pamphlet.jpg

bnr-dl-pamphlet.jpg

730 ms

bnr-movie01.jpg

bnr-movie01.jpg

731 ms

bnr_youtube01.jpg

bnr_youtube01.jpg

731 ms

bnr_youtube02.jpg

bnr_youtube02.jpg

791 ms

btn_stay.jpg

btn_stay.jpg

815 ms

btn_song.jpg

btn_song.jpg

844 ms

btn_history.jpg

btn_history.jpg

849 ms

btn_eve.jpg

btn_eve.jpg

875 ms

btn_specialtrain.png

btn_specialtrain.png

956 ms

btn_stand.jpg

btn_stand.jpg

969 ms

bnr-toto-growing.jpg

bnr-toto-growing.jpg

1007 ms

bnr_jx-group.jpg

bnr_jx-group.jpg

990 ms

bnr_hitachi.jpg

bnr_hitachi.jpg

1019 ms

bnr_sportsdepo.jpg

bnr_sportsdepo.jpg

1084 ms

bnr-nisshin-oillio.jpg

bnr-nisshin-oillio.jpg

1104 ms

bnr_yomiuri.jpg

bnr_yomiuri.jpg

1118 ms

jera.jpg

jera.jpg

1134 ms

bnr-mizuno.jpg

bnr-mizuno.jpg

1153 ms

bnr-maruhi.jpg

bnr-maruhi.jpg

1173 ms

bnr_saza.jpg

bnr_saza.jpg

1227 ms

bnr_pocarisweat.gif

bnr_pocarisweat.gif

1253 ms

bnr_ja-hitachi.jpg

bnr_ja-hitachi.jpg

1191 ms

S6u9w4BMUTPHh50XSwiPHw.woff

S6u9w4BMUTPHh50XSwiPHw.woff

39 ms

sdk.js

sdk.js

7 ms

vektor_kado_icons.woff

vektor_kado_icons.woff

1126 ms

general_foundicons.woff

general_foundicons.woff

1156 ms

bnr_joyobank_2.jpg

bnr_joyobank_2.jpg

1173 ms

www-player.css

www-player.css

8 ms

www-embed-player.js

www-embed-player.js

28 ms

base.js

base.js

55 ms

ad_status.js

ad_status.js

164 ms

jDVVIT4ZwDHfBiET8TcWj790JrYgF6qU1g_sOcBWI_w.js

jDVVIT4ZwDHfBiET8TcWj790JrYgF6qU1g_sOcBWI_w.js

124 ms

embed.js

embed.js

43 ms

komatsu.jpg

komatsu.jpg

891 ms

bnr_noblehome.jpg

bnr_noblehome.jpg

919 ms

bnr-sbineotrade.jpg

bnr-sbineotrade.jpg

930 ms

bnr_fashion-cruise.jpg

bnr_fashion-cruise.jpg

916 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

34 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

42 ms

bnr_ibaraki-heim.jpg

bnr_ibaraki-heim.jpg

968 ms

id

id

30 ms

ibaraki_airport.jpg

ibaraki_airport.jpg

949 ms

Create

Create

79 ms

bnr_japc.jpg

bnr_japc.jpg

958 ms

bnr_nankankeiba.jpg

bnr_nankankeiba.jpg

910 ms

bnr_kouta.jpg

bnr_kouta.jpg

837 ms

bnr_nissin.jpg

bnr_nissin.jpg

827 ms

bnr_zieitai.jpg

bnr_zieitai.jpg

888 ms

bnr_keisatsu.jpg

bnr_keisatsu.jpg

905 ms

bnr_yomiurikai.jpg

bnr_yomiurikai.jpg

926 ms

GenerateIT

GenerateIT

16 ms

bnr_hitachinaka-taikyo.jpg

bnr_hitachinaka-taikyo.jpg

902 ms

bnr_sports.jpg

bnr_sports.jpg

885 ms

bnr_hcci.jpg

bnr_hcci.jpg

868 ms

bnr_hitachinaka-sa.jpg

bnr_hitachinaka-sa.jpg

921 ms

footer_pagetop.png

footer_pagetop.png

904 ms

menuicon.png

menuicon.png

862 ms

Accessibility Review

katsutamarathon.jp accessibility score

81

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

katsutamarathon.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

katsutamarathon.jp SEO score

100

Search Engine Optimization Advices

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

    JA

  • Encoding

    UTF-8

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

katsutamarathon.jp

Open Graph data is detected on the main page of Katsutamarathon. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: