Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

f1.u-car.com.tw

U-CAR F1

Page Load Speed

5.6 sec in total

First Response

1.2 sec

Resources Loaded

4.2 sec

Page Rendered

227 ms

f1.u-car.com.tw screenshot

About Website

Click here to check amazing F1 U CAR content for Taiwan. Otherwise, check out these important facts you probably never knew about f1.u-car.com.tw

Visit f1.u-car.com.tw

Key Findings

We analyzed F1.u-car.com.tw page load time and found that the first response time was 1.2 sec and then it took 4.4 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

f1.u-car.com.tw performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.477

18/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

f1.u-car.com.tw

1186 ms

jquery.min.js

31 ms

swfobject.js

41 ms

cookie.js

404 ms

CSScriptLib.js

1039 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 72% of them (68 requests) were addressed to the original F1.u-car.com.tw, 5% (5 requests) were made to Pagead2.googlesyndication.com and 5% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain F1.u-car.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 427.6 kB (42%)

Content Size

1.0 MB

After Optimization

595.7 kB

In fact, the total size of F1.u-car.com.tw main page is 1.0 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. 40% of websites need less resources to load. Javascripts take 463.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 86.5 kB

  • Original 111.9 kB
  • After minification 102.4 kB
  • After compression 25.3 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 86.5 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 29.4 kB

  • Original 448.3 kB
  • After minification 418.9 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. F1 U CAR images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 311.6 kB

  • Original 463.2 kB
  • After minification 449.9 kB
  • After compression 151.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 311.6 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (66%)

Requests Now

93

After Optimization

32

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F1 U CAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

f1.u-car.com.tw 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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

f1.u-car.com.tw best practices score

50

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

f1.u-car.com.tw SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise F1.u-car.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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.u-car.com.tw main page’s claimed encoding is big5. 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 F1 U CAR. 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: