Access tv.u-car.com.tw. 影音頻道

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

1/100

25%

SI (Speed Index)

Value16.9 s

1/100

10%

TBT (Total Blocking Time)

Value3,080 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.314

37/100

15%

TTI (Time to Interactive)

Value28.8 s

0/100

10%

tv.u-car.com.tw

1006 ms

atrk.js

63 ms

CSScriptLib.js

651 ms

swfobject.js

455 ms

tv_title.jpg

881 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 78% of them (57 requests) were addressed to the original Tv.u-car.com.tw, 5% (4 requests) were made to F.vimeocdn.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Tv.u-car.com.tw.

Content Size

781.6 kB

After Optimization

301.1 kB

In fact, the total size of Tv.u-car.com.tw main page is 781.6 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. 30% of websites need less resources to load. Javascripts take 477.4 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 35.6 kB

Original 40.0 kB
After minification 31.1 kB
After compression 4.3 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. This page needs HTML code to be minified as it can gain 8.8 kB, which is 22% 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 35.6 kB or 89% of the original size.

Image Optimization

-8%

Potential reduce by 11.6 kB

Original 147.0 kB
After minification 135.5 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. Tv U Car images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 329.4 kB

Original 477.4 kB
After minification 465.5 kB
After compression 148.0 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 329.4 kB or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 103.9 kB

Original 117.2 kB
After minification 117.1 kB
After compression 13.3 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. Tv.u-car.com.tw needs all CSS files to be minified and compressed as it can save up to 103.9 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tv 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Tv.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 Tv.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

tv.u-car.com.tw

Open Graph description is not detected on the main page of Tv 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

影音頻道 - U-CAR汽車網站

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

tv.u-car.com.tw

atrk.js

CSScriptLib.js

swfobject.js

tv_title.jpg

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tv.u-car.com.tw

atrk.js

CSScriptLib.js

swfobject.js

tv_title.jpg

spacer.gif

tf_home.gif

tf_newcar.gif

tf_buy.gif

tf_usedcar.gif

tf_news.gif

tf_promotion.gif

tf_roadtest.gif

tf_mook.gif

tf_feature.gif

tf_gallery.gif

tf_classroom.gif

tf_f1.gif

tf_tv-a.gif

tf_am.gif

tf_3c.gif

tf_audio.gif

tf_watch.gif

tf_wine.gif

tf_forum.gif

tf_member.gif

tf_shop.gif

atrk.gif

test.png

spacer.gif

tv-player-corner-tl.gif

st-tv-filmtype.gif

st-tv-hotfilm.gif

videosetimage_563_2.jpg

videosetimage_560_2.jpg

videosetimage_567_2.jpg

videosetimage_556_2.jpg

videosetimage_565_2.jpg

st-tv-latestfilm.gif

videosetimage_567_1.jpg

videosetimage_566_1.jpg

videosetimage_565_1.jpg

videosetimage_563_1.jpg