Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

viatang.com

唯唐代购-全球专业海外华人代购,淘宝代购,包裹转寄,淘宝转运,国际转运,华人商城,代购国货商品-viatang.com(上海唐悦电子商务有限公司)

Page Load Speed

5.6 sec in total

First Response

475 ms

Resources Loaded

4 sec

Page Rendered

1.1 sec

About Website

Click here to check amazing Viatang content for United States. Otherwise, check out these important facts you probably never knew about viatang.com

专为海外华人,留学生代购淘宝、当当、亚马逊、京东等中国商品.提供逆向海淘,淘宝代购,淘宝转运,国际转运,包裹转寄服务.支持paypal、国际信用卡、支付宝等多种支付方式.批量下单,多件商品集中寄送,专享超低国际运费.

Visit viatang.com

Key Findings

We analyzed Viatang.com page load time and found that the first response time was 475 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

viatang.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value22.8 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

viatang.com

475 ms

base.css

124 ms

jquery-1.9.1.min.js

249 ms

jquery.jclock.js

127 ms

adsbygoogle.js

495 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 42% of them (37 requests) were addressed to the original Viatang.com, 45% (40 requests) were made to Img.alicdn.com and 4% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 777.6 kB (5%)

Content Size

15.3 MB

After Optimization

14.5 MB

In fact, the total size of Viatang.com main page is 15.3 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. Only a small number of websites need less resources to load. Images take 14.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 61.7 kB

  • Original 78.4 kB
  • After minification 67.7 kB
  • After compression 16.6 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 10.6 kB, which is 14% 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 61.7 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 630.0 kB

  • Original 14.9 MB
  • After minification 14.3 MB

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. Viatang images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 79.8 kB

  • Original 252.9 kB
  • After minification 251.9 kB
  • After compression 173.1 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 79.8 kB or 32% of the original size.

CSS Optimization

-38%

Potential reduce by 6.1 kB

  • Original 15.9 kB
  • After minification 13.4 kB
  • After compression 9.9 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. Viatang.com needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (17%)

Requests Now

86

After Optimization

71

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viatang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

viatang.com accessibility score

67

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

viatang.com best practices score

58

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

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

SEO Factors

viatang.com SEO score

69

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

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 Viatang.com 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 Viatang.com 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

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