Tools & Wizards About Us
top1.cn screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

top1.cn

至尊用车，国内首家连锁用车服务品牌—至尊租车|国际租车|专车|企业用车|商务用车

Page Load Speed

8 sec in total

First Response

720 ms

Resources Loaded

7.1 sec

Page Rendered

182 ms

top1.cn screenshot

About Website

Click here to check amazing Top 1 content for China. Otherwise, check out these important facts you probably never knew about top1.cn

至尊用车，为消费者提供租车、专车服务的城市超过100个，服务网点150多个，服务的各类型车辆超过10000台，注册会员400多万，服务企业超过3000家。服务热线：至尊用车帮助中心，为至尊会员提供在线帮助，更多问题更可拨打至尊用车服务热线：4006788688

Visit top1.cn

Key Findings

We analyzed Top1.cn page load time and found that the first response time was 720 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

top1.cn performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

91/100

10%

Network Requests Diagram

top1.cn

720 ms

js_load.js

235 ms

ajax_user.aspx

474 ms

main.css

929 ms

Userv3.css

923 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 96% of them (50 requests) were addressed to the original Top1.cn, 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Top1.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (72%)

Content Size

2.1 MB

After Optimization

565.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Top1.cn main page is 2.1 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. 50% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 40.6 kB

  • Original 49.0 kB
  • After minification 31.2 kB
  • After compression 8.3 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 17.8 kB, which is 36% 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 40.6 kB or 83% of the original size.

Image Optimization

-50%

Potential reduce by 347.6 kB

  • Original 697.2 kB
  • After minification 349.5 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. Obviously, Top 1 needs image optimization as it can save up to 347.6 kB or 50% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 849.2 kB

  • Original 1.0 MB
  • After minification 786.3 kB
  • After compression 168.5 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 849.2 kB or 83% of the original size.

CSS Optimization

-86%

Potential reduce by 250.9 kB

  • Original 290.4 kB
  • After minification 241.6 kB
  • After compression 39.5 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. Top1.cn needs all CSS files to be minified and compressed as it can save up to 250.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (47%)

Requests Now

51

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Top 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

top1.cn

top1.cn

720 ms

js_load.js

js_load.js

235 ms

ajax_user.aspx

ajax_user.aspx

474 ms

main.css

main.css

929 ms

Userv3.css

Userv3.css

923 ms

picroll.css

picroll.css

467 ms

jquery.min.js

jquery.min.js

940 ms

jquery-migrate.js

jquery-migrate.js

710 ms

Customerservice.js

Customerservice.js

472 ms

jquery-ui.custom.min.js

jquery-ui.custom.min.js

939 ms

jquery.easing.js

jquery.easing.js

705 ms

jquery.jmpopups.js

jquery.jmpopups.js

953 ms

jquery.bgiframe.min.js

jquery.bgiframe.min.js

954 ms

jquery.form.js

jquery.form.js

1152 ms

jquery.blockUI.js

jquery.blockUI.js

1160 ms

CityAndStoreList.js

CityAndStoreList.js

1636 ms

jquery.cookies.js

jquery.cookies.js

1174 ms

ShuttleCity_V2.js

ShuttleCity_V2.js

1687 ms

V3.SelfDriving.CityAreaStore.js

V3.SelfDriving.CityAreaStore.js

1188 ms

V3.Pay.js

V3.Pay.js

1380 ms

laydate.js

laydate.js

1394 ms

Common_Index.js

Common_Index.js

1880 ms

OtherCommon.js

OtherCommon.js

1426 ms

MapLib.js

MapLib.js

1611 ms

AreaData_min.js

AreaData_min.js

1628 ms

Area.js

Area.js

1664 ms

laydate.css

laydate.css

235 ms

_icon.png

_icon.png

2381 ms

laba.png

laba.png

2380 ms

longrenticon.png

longrenticon.png

2381 ms

qqkf.png

qqkf.png

2377 ms

Helpcenter.png

Helpcenter.png

2381 ms

Backtotop.png

Backtotop.png

2379 ms

gnbnicon.png

gnbnicon.png

2381 ms

hk_index_01.png

hk_index_01.png

2382 ms

car_index_02.png

car_index_02.png

2381 ms

shuttleleftc.jpg

shuttleleftc.jpg

2371 ms

contentbody.png

contentbody.png

2369 ms

Icwj.png

Icwj.png

2350 ms

hm.js

hm.js

2653 ms

93.png

93.png

2786 ms

788866.jpg

788866.jpg

477 ms

xiala.png

xiala.png

245 ms

SolidoBacjkimg.jpg

SolidoBacjkimg.jpg

238 ms

bg_storeselector.jpg

bg_storeselector.jpg

245 ms

329.png

329.png

1379 ms

903.png

903.png

1610 ms

573.png

573.png

1385 ms

576.png

576.png

1409 ms

1071.png

1071.png

1669 ms

1034.png

1034.png

1821 ms

hm.gif

hm.gif

311 ms

Accessibility Review

top1.cn accessibility score

43

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

top1.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

top1.cn SEO score

75

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Top1.cn 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 Top1.cn 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

top1.cn

Open Graph description is not detected on the main page of Top 1. 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: