Access 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）

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%

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.

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 253.0 kB
After minification 252.0 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 Now

After Optimization

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 Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

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

viatang.com

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

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

viatang.com

base.css

jquery-1.9.1.min.js

jquery.jclock.js

adsbygoogle.js

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

viatang.com

base.css

jquery-1.9.1.min.js

jquery.jclock.js

adsbygoogle.js

layer.js

jquery.SuperSlide.2.1.1.js

conversion.js

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