Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tendata.cn

海关数据_上海腾道_进出口数据_外贸找客户_外贸软件_外贸平台_官方站_上海腾道信息技术有限公司官方网站

Page Load Speed

42 sec in total

First Response

1.3 sec

Resources Loaded

40.3 sec

Page Rendered

295 ms

About Website

Welcome to tendata.cn homepage info - get ready to check Tendata best content for China right away, or after learning these important things about tendata.cn

上海腾道数据实时提供全球80+国外贸海关数据、研发国际外贸软件,协助外贸找客户,与全球家商业数据库合作,全面掌握208个国家海关数据供应链采购商信息、海关进出口数据、市场分析、外贸找客户等。为您准确挖掘全球买家资源的国际进出口数据平台,我们致力于为外贸企业提供海外营销的整体解决方案。

Visit tendata.cn

Key Findings

We analyzed Tendata.cn page load time and found that the first response time was 1.3 sec and then it took 40.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

tendata.cn performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.686

7/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

tendata.cn

1332 ms

www.tendata.cn

1351 ms

style.css

425 ms

jquery-1.8.3.min.js

2842 ms

jquery.scrollUp.min.js

833 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 67% of them (34 requests) were addressed to the original Tendata.cn, 4% (2 requests) were made to Static.anquan.org and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Static.b.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.3 kB (22%)

Content Size

1.5 MB

After Optimization

1.2 MB

In fact, the total size of Tendata.cn main page is 1.5 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. 25% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 16.6 kB

  • Original 22.1 kB
  • After minification 18.1 kB
  • After compression 5.5 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 3.9 kB, which is 18% 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 16.6 kB or 75% of the original size.

Image Optimization

-8%

Potential reduce by 91.8 kB

  • Original 1.2 MB
  • After minification 1.1 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. Tendata images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 193.2 kB

  • Original 251.1 kB
  • After minification 173.9 kB
  • After compression 57.9 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 193.2 kB or 77% of the original size.

CSS Optimization

-78%

Potential reduce by 35.8 kB

  • Original 46.0 kB
  • After minification 36.9 kB
  • After compression 10.2 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. Tendata.cn needs all CSS files to be minified and compressed as it can save up to 35.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

48

After Optimization

34

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tendata. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tendata.cn accessibility score

61

Accessibility Issues

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

tendata.cn 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tendata.cn SEO score

62

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tendata.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 Tendata.cn main page’s claimed encoding is . 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

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