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haitianchina.com.cn screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

haitianchina.com.cn

Sublimation Heat Transfer Paper | HDHT Dye Sublimation Paper

Page Load Speed

7.7 sec in total

First Response

454 ms

Resources Loaded

6.9 sec

Page Rendered

376 ms

haitianchina.com.cn screenshot

About Website

Welcome to haitianchina.com.cn homepage info - get ready to check Haitianchina best content right away, or after learning these important things about haitianchina.com.cn

Hangzhou Hydrotech Co., Ltd. mainly produces sublimation heat transfer paper and dye sublimation paper. Sublimation heat transfer paper is a new type of digital printing material, high-quality backing...

Visit haitianchina.com.cn

Key Findings

We analyzed Haitianchina.com.cn page load time and found that the first response time was 454 ms and then it took 7.3 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

haitianchina.com.cn performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.214

58/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

www.chinahdht.com

454 ms

gtm.js

65 ms

slick.css

404 ms

basic.css

589 ms

main.css

399 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Haitianchina.com.cn, 14% (13 requests) were made to Embed.tawk.to and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Chinahdht.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 475.8 kB (66%)

Content Size

723.4 kB

After Optimization

247.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Haitianchina.com.cn main page is 723.4 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. 55% of websites need less resources to load. HTML takes 454.4 kB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 434.6 kB

  • Original 454.4 kB
  • After minification 446.9 kB
  • After compression 19.8 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 434.6 kB or 96% of the original size.

Image Optimization

-6%

Potential reduce by 870 B

  • Original 15.5 kB
  • After minification 14.6 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. Haitianchina images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 23.9 kB

  • Original 196.9 kB
  • After minification 196.9 kB
  • After compression 172.9 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 23.9 kB or 12% of the original size.

CSS Optimization

-29%

Potential reduce by 16.4 kB

  • Original 56.7 kB
  • After minification 56.7 kB
  • After compression 40.3 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. Haitianchina.com.cn needs all CSS files to be minified and compressed as it can save up to 16.4 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (78%)

Requests Now

54

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Haitianchina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.chinahdht.com

www.chinahdht.com

454 ms

gtm.js

gtm.js

65 ms

slick.css

slick.css

404 ms

basic.css

basic.css

589 ms

main.css

main.css

399 ms

font-awesome.min.css

font-awesome.min.css

351 ms

animate.min.css

animate.min.css

387 ms

jquery.js

jquery.js

371 ms

hwaq.js

hwaq.js

705 ms

qrcode.min.js

qrcode.min.js

716 ms

main.js

main.js

723 ms

slick.js

slick.js

784 ms

wow.min.js

wow.min.js

798 ms

swiper.min.css

swiper.min.css

961 ms

swiper.min.js

swiper.min.js

1069 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

1099 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

1100 ms

layer.js

layer.js

1143 ms

js

js

79 ms

index_js.js

index_js.js

1163 ms

email-decode.min.js

email-decode.min.js

962 ms

layer.css

layer.css

353 ms

logo.png

logo.png

360 ms

icon-search-black.png

icon-search-black.png

19 ms

en.jpg

en.jpg

18 ms

cn.jpg

cn.jpg

19 ms

es.jpg

es.jpg

19 ms

btn_icon.jpg

btn_icon.jpg

18 ms

superspeedx84100.jpg

superspeedx84100.jpg

459 ms

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20210322092955-2.jpg

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20210322092955-2.jpg

481 ms

sticky.jpg

sticky.jpg

702 ms

c53a5007.jpg

c53a5007.jpg

511 ms

c53a4945.jpg

c53a4945.jpg

542 ms

img_5840.jpg

img_5840.jpg

887 ms

wechatimg3361-4.jpg

wechatimg3361-4.jpg

1033 ms

wechatimg3361-3.jpg

wechatimg3361-3.jpg

1084 ms

wechatimg3361-2.jpg

wechatimg3361-2.jpg

1132 ms

wechatimg3361-1.jpg

wechatimg3361-1.jpg

1167 ms

img_1723-2.jpg

img_1723-2.jpg

1300 ms

5000serieswaterbasedprintinginkfordecorativepaper.jpg

5000serieswaterbasedprintinginkfordecorativepaper.jpg

1371 ms

3000series.jpg

3000series.jpg

1569 ms

pearl.jpg

pearl.jpg

1632 ms

1-7.jpg

1-7.jpg

1665 ms

2-3.jpg

2-3.jpg

1679 ms

hppackaing.jpg

hppackaing.jpg

1772 ms

3.jpg

3.jpg

1895 ms

00000.jpg

00000.jpg

2115 ms

196a1123-2.jpg

196a1123-2.jpg

2183 ms

196a1094-2.jpg

196a1094-2.jpg

2074 ms

sticky.jpg

sticky.jpg

2168 ms

arrow_l.png

arrow_l.png

1778 ms

arrow_r.png

arrow_r.png

1791 ms

e-%E6%B5%B7%E6%8A%A51.jpg

e-%E6%B5%B7%E6%8A%A51.jpg

1803 ms

dtf3.0-1.jpg

dtf3.0-1.jpg

2317 ms

1-6.jpg

1-6.jpg

2423 ms

adv_img.jpg

adv_img.jpg

2287 ms

high-speed-sublimation-paper-1.jpg

high-speed-sublimation-paper-1.jpg

2128 ms

1gik2frt2

1gik2frt2

204 ms

sticky-tacky-sublimation-paper.jpg

sticky-tacky-sublimation-paper.jpg

2905 ms

eco-sublimation-paper.jpg

eco-sublimation-paper.jpg

2666 ms

sheets-sublimation-paper.jpg

sheets-sublimation-paper.jpg

2758 ms

barrier-paper.jpg

barrier-paper.jpg

2777 ms

medical-paper.jpg

medical-paper.jpg

2829 ms

kraft-paper.jpg

kraft-paper.jpg

2955 ms

matomo.js

matomo.js

478 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2912 ms

layer.js

layer.js

2704 ms

5000-water-based-printing-ink.jpg

5000-water-based-printing-ink.jpg

2833 ms

3000-water-based-printing-ink0.jpg

3000-water-based-printing-ink0.jpg

2878 ms

pearl-water-based-printing-ink0.jpg

pearl-water-based-printing-ink0.jpg

2848 ms

matomo.php

matomo.php

1172 ms

foot_phone.png

foot_phone.png

2304 ms

foot_email.png

foot_email.png

2131 ms

foot_marker.png

foot_marker.png

1997 ms

jszc_en_hei.svg

jszc_en_hei.svg

2344 ms

dian.png

dian.png

2039 ms

hp-packaging-1-2.png

hp-packaging-1-2.png

2017 ms

img_6690-%E5%AE%98%E7%BD%91%E5%B0%812-3.png

img_6690-%E5%AE%98%E7%BD%91%E5%B0%812-3.png

1894 ms

5000-%E5%AE%98%E7%BD%91%E5%B0%812.png

5000-%E5%AE%98%E7%BD%91%E5%B0%812.png

1830 ms

li_icon.png

li_icon.png

1642 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

60 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

58 ms

twk-event-polyfill.js

twk-event-polyfill.js

58 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

62 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

67 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

60 ms

twk-main.js

twk-main.js

64 ms

twk-vendor.js

twk-vendor.js

67 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

226 ms

twk-chunk-common.js

twk-chunk-common.js

71 ms

twk-runtime.js

twk-runtime.js

77 ms

twk-app.js

twk-app.js

77 ms

Accessibility Review

haitianchina.com.cn accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

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

haitianchina.com.cn 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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

haitianchina.com.cn SEO score

82

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Haitianchina.com.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Haitianchina.com.cn 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

haitianchina.com.cn

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