Tools & Wizards About Us
sum.com.tw screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

sum.com.tw

SUM汽車網｜ 台灣最大 優質認證中古二手車商

Page Load Speed

18.6 sec in total

First Response

885 ms

Resources Loaded

17.3 sec

Page Rendered

412 ms

sum.com.tw screenshot

About Website

Visit sum.com.tw now to see the best up-to-date Sum content for Taiwan and also check out these interesting facts you probably never knew about sum.com.tw

SUM汽車網 為台灣最大中古車販售連鎖品牌，全省近380家SUM汽車優質認證中古車商據點、210家SUM汽車保養維修服務中心，提供購買二手車五大保證、售後五大保固服務、中古車車況透明查定、里程保證等服務，提供您二手車買車、賣車最安心便利的服務，提供顧客一家買車，全程服務的優質體驗

Visit sum.com.tw

Key Findings

We analyzed Sum.com.tw page load time and found that the first response time was 885 ms and then it took 17.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

sum.com.tw performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

sum.com.tw

885 ms

www.sum.com.tw

5726 ms

base.css

441 ms

highslide.css

778 ms

jquery-1.6.2.min.js

1158 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 59% of them (106 requests) were addressed to the original Sum.com.tw, 13% (23 requests) were made to Static.xx.fbcdn.net and 6% (10 requests) were made to Ad.tagtoo.co. The less responsive or slowest element that took the longest time to load (6.3 sec) belongs to the original domain Sum.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 974.8 kB (43%)

Content Size

2.3 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sum.com.tw main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 78.8 kB

  • Original 95.9 kB
  • After minification 74.5 kB
  • After compression 17.1 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. This page needs HTML code to be minified as it can gain 21.3 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 78.8 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 56.4 kB

  • Original 1.0 MB
  • After minification 988.4 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. Sum images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 532.2 kB

  • Original 744.5 kB
  • After minification 743.5 kB
  • After compression 212.4 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 532.2 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 307.4 kB

  • Original 367.5 kB
  • After minification 341.8 kB
  • After compression 60.0 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. Sum.com.tw needs all CSS files to be minified and compressed as it can save up to 307.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 67 (39%)

Requests Now

171

After Optimization

104

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 171 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sum.com.tw

sum.com.tw

885 ms

www.sum.com.tw

www.sum.com.tw

5726 ms

base.css

base.css

441 ms

highslide.css

highslide.css

778 ms

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777 ms

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1020 ms

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reset.css

740 ms

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screen.css

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menu.css

955 ms

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tabs.css

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htmlEditor.css

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bg.gif

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282 ms

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168 ms

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Accessibility Review

sum.com.tw accessibility score

86

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.

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

Links do not have a discernible name

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

Best Practices

sum.com.tw 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sum.com.tw SEO score

91

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

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

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sum.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Sum.com.tw 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

sum.com.tw

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