Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

us-racing.net

US-RACING - インディカー(IRL)、ALMS(アメリカン・ル・マン・シリーズ)、NASCAR(ナスカー)最新情報

Page Load Speed

7.4 sec in total

First Response

571 ms

Resources Loaded

6.5 sec

Page Rendered

357 ms

us-racing.net screenshot

About Website

Visit us-racing.net now to see the best up-to-date US RACING content for Japan and also check out these interesting facts you probably never knew about us-racing.net

インディカー(Indycar/IRL)、ALMS、ナスカー(NASCAR)など、アメリカンモータースポーツを中心とした、モータースポーツ情報サイト。現地スタッフのリポートも含め、独自の視点でアメリカンモータースポーツ情報をお伝えします。

Visit us-racing.net

Key Findings

We analyzed Us-racing.net page load time and found that the first response time was 571 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

us-racing.net performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

us-racing.net

571 ms

www.us-racing.net

4290 ms

xoops.css

336 ms

styleNN.css

356 ms

added.php

1327 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 93% of them (38 requests) were addressed to the original Us-racing.net, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Widgets.twimg.com. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Us-racing.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.6 kB (55%)

Content Size

271.8 kB

After Optimization

121.2 kB

In fact, the total size of Us-racing.net main page is 271.8 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. 15% of websites need less resources to load. Javascripts take 133.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 45.1 kB

  • Original 54.2 kB
  • After minification 50.2 kB
  • After compression 9.1 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 45.1 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 3.7 kB

  • Original 65.9 kB
  • After minification 62.2 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. US RACING images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 86.6 kB

  • Original 133.5 kB
  • After minification 110.4 kB
  • After compression 46.8 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 86.6 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 15.1 kB

  • Original 18.2 kB
  • After minification 13.9 kB
  • After compression 3.1 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. Us-racing.net needs all CSS files to be minified and compressed as it can save up to 15.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (44%)

Requests Now

39

After Optimization

22

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of US RACING. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

us-racing.net accessibility score

80

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

Best Practices

us-racing.net best practices score

54

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

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

us-racing.net SEO score

69

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

Links do not have descriptive text

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Us-racing.net 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 Us-racing.net main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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