Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

f1-revolution.com

F1のメモラビリアグッズの販売【REVOLUTION】

Page Load Speed

12.9 sec in total

First Response

570 ms

Resources Loaded

11.6 sec

Page Rendered

727 ms

About Website

Visit f1-revolution.com now to see the best up-to-date F1 REVOLUTION content for Japan and also check out these interesting facts you probably never knew about f1-revolution.com

フェラーリ、マクラーレン、ホンダ、などF1関連の商品の販売・通販【REVOLUTION】チームウエアやモデルカー、ドライバーズカード、ステッカーなどを豊富に取り揃えております。また、サインや限定商品などレア商品も取り揃えております。

Visit f1-revolution.com

Key Findings

We analyzed F1-revolution.com page load time and found that the first response time was 570 ms and then it took 12.4 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

f1-revolution.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

f1-revolution.com

570 ms

f1-revolution.com

680 ms

www.f1-revolution.com

539 ms

www.f1-revolution.com

812 ms

A.jqselectable.css+prettyphoto.css+popup.css+base.css+print.css+layout.css,,q20211130+jqtransform.css,Mcc.RMfxFs7Pct.css.pagespeed.cf.tTneEczdrq.css

1030 ms

Our browser made a total of 138 requests to load all elements on the main page. We found that 74% of them (102 requests) were addressed to the original F1-revolution.com, 20% (28 requests) were made to Ssl.xaas3.jp and 3% (4 requests) were made to S6863460.xaas3.jp. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain F1-revolution.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 290.7 kB (4%)

Content Size

7.4 MB

After Optimization

7.1 MB

In fact, the total size of F1-revolution.com main page is 7.4 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. 65% of websites need less resources to load. Images take 7.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 121.3 kB

  • Original 143.8 kB
  • After minification 139.2 kB
  • After compression 22.5 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 121.3 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 164.0 kB

  • Original 7.1 MB
  • After minification 7.0 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. F1 REVOLUTION images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 997 B

  • Original 113.2 kB
  • After minification 113.2 kB
  • After compression 112.2 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 4.4 kB

  • Original 62.6 kB
  • After minification 62.6 kB
  • After compression 58.2 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. F1-revolution.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 41 (31%)

Requests Now

133

After Optimization

92

The browser has sent 133 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F1 REVOLUTION. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

f1-revolution.com accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

f1-revolution.com 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

SEO Factors

f1-revolution.com SEO score

78

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 F1-revolution.com 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 F1-revolution.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

Open Graph data is detected on the main page of F1 REVOLUTION. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: