Tools & Wizards About Us
nfljapan.com screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nfljapan.com

NFL JAPAN.COM | NFL日本公式サイト

Page Load Speed

4.3 sec in total

First Response

356 ms

Resources Loaded

3.7 sec

Page Rendered

262 ms

nfljapan.com screenshot

About Website

Click here to check amazing NFL JAPAN content for Japan. Otherwise, check out these important facts you probably never knew about nfljapan.com

全米スポーツで1番人気を誇るNFLの日本語公式サイト。最新のアメフト情報はもちろんのこと、試合の速報もお届け。ゲームやチアリーダーの動画とフォトが満載！TV放送、個人成績、順位表、コラムなど豊富なコンテンツ。スーパーボウルは盛り上がること間違いなし！！

Visit nfljapan.com

Key Findings

We analyzed Nfljapan.com page load time and found that the first response time was 356 ms and then it took 3.9 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

nfljapan.com performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value3,140 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.492

17/100

15%

TTI (Time to Interactive)

Value27.8 s

0/100

10%

Network Requests Diagram

nfljapan.com

356 ms

nfljapan.com

1012 ms

all.min.css

16 ms

top.css

331 ms

bulma.css

494 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 9% of them (8 requests) were addressed to the original Nfljapan.com, 45% (40 requests) were made to S3-ap-northeast-1.amazonaws.com and 33% (29 requests) were made to Nfljapan.s3.ap-northeast-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source S3-ap-northeast-1.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 456.6 kB (33%)

Content Size

1.4 MB

After Optimization

938.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nfljapan.com main page is 1.4 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. 70% of websites need less resources to load. Javascripts take 784.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 39.9 kB

  • Original 49.9 kB
  • After minification 42.7 kB
  • After compression 10.0 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 7.2 kB, which is 14% 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 39.9 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 19.1 kB

  • Original 530.3 kB
  • After minification 511.1 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. NFL JAPAN images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 373.4 kB

  • Original 784.6 kB
  • After minification 784.6 kB
  • After compression 411.3 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 373.4 kB or 48% of the original size.

CSS Optimization

-79%

Potential reduce by 24.2 kB

  • Original 30.6 kB
  • After minification 28.4 kB
  • After compression 6.4 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. Nfljapan.com needs all CSS files to be minified and compressed as it can save up to 24.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (13%)

Requests Now

84

After Optimization

73

  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NFL 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nfljapan.com

nfljapan.com

356 ms

nfljapan.com

nfljapan.com

1012 ms

all.min.css

all.min.css

16 ms

top.css

top.css

331 ms

bulma.css

bulma.css

494 ms

style.css

style.css

495 ms

jquery.min.js

jquery.min.js

51 ms

tile.js

tile.js

506 ms

all.min.js

all.min.js

79 ms

js

js

76 ms

gpt.js

gpt.js

112 ms

pb.js

pb.js

45 ms

loader.js

loader.js

244 ms

buf.png

buf.png

861 ms

AP24028833332640.jpg

AP24028833332640.jpg

1360 ms

mia.png

mia.png

868 ms

ne.png

ne.png

875 ms

nyj.png

nyj.png

870 ms

bal.png

bal.png

868 ms

cin.png

cin.png

878 ms

cle.png

cle.png

1039 ms

pit.png

pit.png

1047 ms

hou.png

hou.png

1050 ms

ind.png

ind.png

1051 ms

jax.png

jax.png

1055 ms

ten.png

ten.png

1063 ms

den.png

den.png

1217 ms

kc.png

kc.png

1225 ms

lv.png

lv.png

1232 ms

lac.png

lac.png

1233 ms

american.png

american.png

1235 ms

logo_nfljapan.png

logo_nfljapan.png

1243 ms

national.png

national.png

1397 ms

dal.png

dal.png

1403 ms

phi.png

phi.png

1415 ms

was.png

was.png

1412 ms

chi.png

chi.png

1414 ms

det.png

det.png

1424 ms

gb.png

gb.png

1576 ms

min.png

min.png

1583 ms

atl.png

atl.png

1591 ms

car.png

car.png

1592 ms

no.png

no.png

1598 ms

tb.png

tb.png

1605 ms

ari.png

ari.png

1754 ms

sf.png

sf.png

1765 ms

sea.png

sea.png

1772 ms

la.png

la.png

1770 ms

nyg.png

nyg.png

1779 ms

sportsnavi.png

sportsnavi.png

1784 ms

NFL_230524_1-240x135.jpg

NFL_230524_1-240x135.jpg

854 ms

NFL_231013_2-240x135.jpg

NFL_231013_2-240x135.jpg

862 ms

Alex-McGough-240x160.jpg

Alex-McGough-240x160.jpg

868 ms

NFL_211124_4_21326677875130-140x79.jpg

NFL_211124_4_21326677875130-140x79.jpg

870 ms

AP_22031113583651_29-140x93.jpg

AP_22031113583651_29-140x93.jpg

859 ms

Alex-McGough-140x93.jpg

Alex-McGough-140x93.jpg

1034 ms

NFL_231013_2-140x79.jpg

NFL_231013_2-140x79.jpg

1040 ms

NFL_230524_1-140x79.jpg

NFL_230524_1-140x79.jpg

1041 ms

AP24043083808551.jpg

AP24043083808551.jpg

1382 ms

AP24042849001466-240x160.jpg

AP24042849001466-240x160.jpg

1052 ms

AP24042854340000-240x160.jpg

AP24042854340000-240x160.jpg

1229 ms

AP24028786247253-240x160.jpg

AP24028786247253-240x160.jpg

1220 ms

AP24043083808551-140x93.jpg

AP24043083808551-140x93.jpg

1221 ms

AP24042849001466-140x93.jpg

AP24042849001466-140x93.jpg

1235 ms

AP24042854340000-140x93.jpg

AP24042854340000-140x93.jpg

1401 ms

AP24035735658305-140x93.jpg

AP24035735658305-140x93.jpg

1404 ms

AP24029098555666-140x93.jpg

AP24029098555666-140x93.jpg

1408 ms

NFL-APAC_International-LaunchNFL-APAC_International-Launch_16x9-140x79.jpg

NFL-APAC_International-LaunchNFL-APAC_International-Launch_16x9-140x79.jpg

1415 ms

AP24116862919833-140x93.jpg

AP24116862919833-140x93.jpg

1531 ms

AP24007010079347-140x93.jpg

AP24007010079347-140x93.jpg

1562 ms

NFL_230307_1_AP23010704135333-140x93.jpg

NFL_230307_1_AP23010704135333-140x93.jpg

1584 ms

AP23043686528967-140x93.jpg

AP23043686528967-140x93.jpg

1585 ms

AP24037070366222-140x93.jpg

AP24037070366222-140x93.jpg

1591 ms

AP24117795917178-140x93.jpg

AP24117795917178-140x93.jpg

1631 ms

AP24014136595358-140x93.jpg

AP24014136595358-140x93.jpg

1710 ms

AP24022085195338-140x93.jpg

AP24022085195338-140x93.jpg

1743 ms

AP23351740117495-140x93.jpg

AP23351740117495-140x93.jpg

1765 ms

AP24007764427130-140x93.jpg

AP24007764427130-140x93.jpg

1763 ms

pubads_impl.js

pubads_impl.js

73 ms

uid2SecureSignal.js

uid2SecureSignal.js

93 ms

publishertag.ids.js

publishertag.ids.js

98 ms

esp.js

esp.js

122 ms

pubcid.min.js

pubcid.min.js

97 ms

Roboto-Bold.woff

Roboto-Bold.woff

371 ms

Roboto-Regular.woff

Roboto-Regular.woff

504 ms

searchbtn.png

searchbtn.png

1078 ms

icon_movie.jpg

icon_movie.jpg

1080 ms

logo_footer.png

logo_footer.png

1089 ms

team_nav_bg.gif

team_nav_bg.gif

1085 ms

Accessibility Review

nfljapan.com accessibility score

78

Accessibility Issues

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

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

nfljapan.com 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

Displays images with incorrect aspect ratio

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

nfljapan.com SEO score

83

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

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 Nfljapan.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 Nfljapan.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

nfljapan.com

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