Tools & Wizards About Us
shenzhen.yacol.com screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 38

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

shenzhen.yacol.com

雅酷卡官网

Page Load Speed

18.7 sec in total

First Response

1.1 sec

Resources Loaded

17.4 sec

Page Rendered

160 ms

shenzhen.yacol.com screenshot

About Website

Click here to check amazing Shenzhen Yacol content for China. Otherwise, check out these important facts you probably never knew about shenzhen.yacol.com

提供最新的雅酷公司新闻，雅酷时讯等资讯服务

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Key Findings

We analyzed Shenzhen.yacol.com page load time and found that the first response time was 1.1 sec and then it took 17.6 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

shenzhen.yacol.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

shenzhen.yacol.com

1133 ms

index20130909.css

733 ms

20151030152347taoleyuannanyou.jpg

2832 ms

jquery-1.10.2.min.js

13671 ms

index20130923.js

2572 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Shenzhen.yacol.com, 57% (27 requests) were made to Yacol.com and 32% (15 requests) were made to Img.yacol.com. The less responsive or slowest element that took the longest time to load (16.3 sec) relates to the external source Img.yacol.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.3 kB (21%)

Content Size

802.6 kB

After Optimization

633.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shenzhen.yacol.com main page is 802.6 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. 15% of websites need less resources to load. Images take 641.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 22.3 kB

  • Original 28.0 kB
  • After minification 23.7 kB
  • After compression 5.7 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 4.2 kB, which is 15% 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 22.3 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 55.6 kB

  • Original 641.8 kB
  • After minification 586.2 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. Shenzhen Yacol images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 76.8 kB

  • Original 113.9 kB
  • After minification 108.2 kB
  • After compression 37.1 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 76.8 kB or 67% of the original size.

CSS Optimization

-77%

Potential reduce by 14.7 kB

  • Original 18.9 kB
  • After minification 16.8 kB
  • After compression 4.3 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. Shenzhen.yacol.com needs all CSS files to be minified and compressed as it can save up to 14.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

46

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shenzhen Yacol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

shenzhen.yacol.com

shenzhen.yacol.com

1133 ms

index20130909.css

index20130909.css

733 ms

20151030152347taoleyuannanyou.jpg

20151030152347taoleyuannanyou.jpg

2832 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

13671 ms

index20130923.js

index20130923.js

2572 ms

common.js

common.js

732 ms

focus_ico_1.gif

focus_ico_1.gif

755 ms

focus_ico_2.gif

focus_ico_2.gif

4253 ms

weixin_ico.gif

weixin_ico.gif

1417 ms

logo_new.gif

logo_new.gif

1105 ms

index_img_1.jpg

index_img_1.jpg

3149 ms

index_img_2.jpg

index_img_2.jpg

7275 ms

foot_img.jpg

foot_img.jpg

5941 ms

ico_foot_1.gif

ico_foot_1.gif

2930 ms

ico_foot_2.gif

ico_foot_2.gif

3293 ms

ico_foot_3.gif

ico_foot_3.gif

3493 ms

yacol_sz_kf_20151016.png

yacol_sz_kf_20151016.png

8841 ms

20151030152347ccmeiwei.jpg

20151030152347ccmeiwei.jpg

10776 ms

20151030152348banludianfenghuangdasha.jpg

20151030152348banludianfenghuangdasha.jpg

5098 ms

20151030152606banludiantairan.jpg

20151030152606banludiantairan.jpg

2995 ms

20150930172659pinweijia.jpg

20150930172659pinweijia.jpg

9368 ms

20150930172701shangkeyoupin.jpg

20150930172701shangkeyoupin.jpg

9891 ms

20150930172701taoleyuan.jpg

20150930172701taoleyuan.jpg

16263 ms

201404011747295.jpg

201404011747295.jpg

5794 ms

20140228111125Clip18.png

20140228111125Clip18.png

6502 ms

201404011747297.jpg

201404011747297.jpg

8101 ms

201404011747294.jpg

201404011747294.jpg

7174 ms

2014040117472910.jpg

2014040117472910.jpg

9266 ms

20140228111120Clip14.png

20140228111120Clip14.png

9857 ms

20140228111120Clip15.png

20140228111120Clip15.png

9966 ms

20150302lv.jpg

20150302lv.jpg

12335 ms

header20130909.css

header20130909.css

4940 ms

footer20130909.css

footer20130909.css

4864 ms

h.js

h.js

3006 ms

h.js

h.js

5176 ms

common_ico.gif

common_ico.gif

1779 ms

common_ico_15.gif

common_ico_15.gif

1230 ms

index_title.gif

index_title.gif

1334 ms

index_ico.gif

index_ico.gif

1936 ms

index_button_1.gif

index_button_1.gif

2639 ms

index_certi_4.jpg

index_certi_4.jpg

4795 ms

index_certi_1.jpg

index_certi_1.jpg

5550 ms

index_certi_3.jpg

index_certi_3.jpg

5079 ms

hm.gif

hm.gif

474 ms

hm.gif

hm.gif

441 ms

login.php

login.php

897 ms

login.php

login.php

933 ms

Accessibility Review

shenzhen.yacol.com accessibility score

38

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

shenzhen.yacol.com best practices score

67

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

SEO Factors

shenzhen.yacol.com SEO score

58

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shenzhen.yacol.com 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 Shenzhen.yacol.com main page’s claimed encoding is gb2312. 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

shenzhen.yacol.com

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