Tools & Wizards About Us
tdsteel.cn screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

tdsteel.cn

新能源换电站箱体提供商|换电站箱体_储能箱_打包箱房-苏州天地彩钢制造有限公司

Page Load Speed

13.6 sec in total

First Response

5.4 sec

Resources Loaded

8.1 sec

Page Rendered

144 ms

tdsteel.cn screenshot

About Website

Visit tdsteel.cn now to see the best up-to-date Tdsteel content and also check out these interesting facts you probably never knew about tdsteel.cn

苏州天地官网，公司拥有多项资质和专利，经验丰富的打包箱制造厂家,其打造的集装箱活动房，打包箱,箱式房远销海外，2018年进军新能源行业，主打换电站箱体和储能箱，为新能源企业提供综合的换电站箱体解决方案。

Visit tdsteel.cn

Key Findings

We analyzed Tdsteel.cn page load time and found that the first response time was 5.4 sec and then it took 8.3 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

tdsteel.cn performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

tdsteel.cn

5375 ms

jquery.js

774 ms

infiniteCarousel.js

384 ms

MSClass.js

772 ms

jquery-1.4.2.min.js

995 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 94% of them (48 requests) were addressed to the original Tdsteel.cn, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Tjs.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Tdsteel.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.2 kB (16%)

Content Size

908.6 kB

After Optimization

767.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tdsteel.cn main page is 908.6 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. 40% of websites need less resources to load. Images take 763.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.4 kB

  • Original 21.3 kB
  • After minification 20.3 kB
  • After compression 5.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.4 kB or 72% of the original size.

Image Optimization

-11%

Potential reduce by 86.1 kB

  • Original 763.5 kB
  • After minification 677.4 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, Tdsteel needs image optimization as it can save up to 86.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-32%

Potential reduce by 35.6 kB

  • Original 111.5 kB
  • After minification 111.5 kB
  • After compression 75.8 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 35.6 kB or 32% of the original size.

CSS Optimization

-33%

Potential reduce by 4.1 kB

  • Original 12.4 kB
  • After minification 12.4 kB
  • After compression 8.3 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. Tdsteel.cn needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (26%)

Requests Now

50

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tdsteel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tdsteel.cn

tdsteel.cn

5375 ms

jquery.js

jquery.js

774 ms

infiniteCarousel.js

infiniteCarousel.js

384 ms

MSClass.js

MSClass.js

772 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

995 ms

superslide.2.1.js

superslide.2.1.js

635 ms

wb.js

wb.js

935 ms

style.css

style.css

640 ms

globle_cn.css

globle_cn.css

576 ms

swiper.min.css

swiper.min.css

772 ms

global_cn.index.js

global_cn.index.js

663 ms

new_img_1.jpg

new_img_1.jpg

192 ms

new_img_12.jpg

new_img_12.jpg

194 ms

new_img_13.jpg

new_img_13.jpg

213 ms

new_png_2.png

new_png_2.png

193 ms

ewm.jpg

ewm.jpg

424 ms

ewm1.jpg

ewm1.jpg

197 ms

logo.png

logo.png

383 ms

new_png_3.png

new_png_3.png

385 ms

2023328133331722.jpg

2023328133331722.jpg

770 ms

2023328133846591.jpg

2023328133846591.jpg

394 ms

m_logo.png

m_logo.png

847 ms

m_banner_1.jpg

m_banner_1.jpg

575 ms

m_banner_2.jpg

m_banner_2.jpg

767 ms

m_banner_3.jpg

m_banner_3.jpg

590 ms

m_banner_4.jpg

m_banner_4.jpg

845 ms

m_banner_5.jpg

m_banner_5.jpg

766 ms

m_banner_6.jpg

m_banner_6.jpg

788 ms

new_img_7.jpg

new_img_7.jpg

958 ms

ba.png

ba.png

959 ms

shouye.jpg

shouye.jpg

962 ms

fenlei.jpg

fenlei.jpg

984 ms

dianhua.jpg

dianhua.jpg

1056 ms

zixun.jpg

zixun.jpg

1058 ms

new_img_14.jpg

new_img_14.jpg

1148 ms

new_png_4.png

new_png_4.png

1133 ms

new_png_5.png

new_png_5.png

1137 ms

menu_bg.png

menu_bg.png

1162 ms

new_png_1.png

new_png_1.png

1250 ms

slider-arrow.png

slider-arrow.png

1251 ms

banner_1.jpg

banner_1.jpg

1882 ms

new_img_2.jpg

new_img_2.jpg

1312 ms

new_img_3.jpg

new_img_3.jpg

1317 ms

new_img_4.jpg

new_img_4.jpg

1346 ms

new_img_11_.jpg

new_img_11_.jpg

1448 ms

new_img_11.jpg

new_img_11.jpg

1451 ms

new_img_5.jpg

new_img_5.jpg

1504 ms

hm.js

hm.js

1078 ms

new_img_6.jpg

new_img_6.jpg

1353 ms

about.jpg

about.jpg

1384 ms

hm.gif

hm.gif

320 ms

Accessibility Review

tdsteel.cn accessibility score

40

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

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>).

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

tdsteel.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

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

tdsteel.cn SEO score

73

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

High

Document uses plugins

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

High

Tap targets are not sized appropriately

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 Tdsteel.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 Tdsteel.cn 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

tdsteel.cn

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