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szdisaer.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

szdisaer.com

Shenzhen Disaer Technology Co.,Ltd

Page Load Speed

4.9 sec in total

First Response

533 ms

Resources Loaded

4.2 sec

Page Rendered

216 ms

szdisaer.com screenshot

About Website

Click here to check amazing Sz Disaer content. Otherwise, check out these important facts you probably never knew about szdisaer.com

Shenzhen Disaer Technology Co.,Ltd is a professional manufacturer, specialized in researching, developing, producing and selling cables such as SCSI cable, USB cable, Serial cable, DVI cable, VGA cabl...

Visit szdisaer.com

Key Findings

We analyzed Szdisaer.com page load time and found that the first response time was 533 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

szdisaer.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

szdisaer.com

533 ms

style.css

64 ms

jquery-1.8.0.min.js

183 ms

flash.js

124 ms

product_slider.js

128 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 72% of them (36 requests) were addressed to the original Szdisaer.com, 6% (3 requests) were made to Img.alicdn.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Bao.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 458.1 kB (16%)

Content Size

2.9 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szdisaer.com main page is 2.9 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. 40% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 24.0 kB

  • Original 44.1 kB
  • After minification 40.7 kB
  • After compression 20.1 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 24.0 kB or 55% of the original size.

Image Optimization

-15%

Potential reduce by 394.8 kB

  • Original 2.7 MB
  • After minification 2.3 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. Obviously, Sz Disaer needs image optimization as it can save up to 394.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 37.5 kB

  • Original 146.5 kB
  • After minification 146.5 kB
  • After compression 109.0 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 37.5 kB or 26% of the original size.

CSS Optimization

-29%

Potential reduce by 1.7 kB

  • Original 6.0 kB
  • After minification 6.0 kB
  • After compression 4.3 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. Szdisaer.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (26%)

Requests Now

46

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Disaer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

szdisaer.com

szdisaer.com

533 ms

style.css

style.css

64 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

183 ms

flash.js

flash.js

124 ms

product_slider.js

product_slider.js

128 ms

default.js

default.js

131 ms

left_active.js

left_active.js

132 ms

embed.js

embed.js

31 ms

eonline.css

eonline.css

134 ms

online.js

online.js

206 ms

picAutoZoom.js

picAutoZoom.js

206 ms

translate-this.js

translate-this.js

18 ms

analytics.js

analytics.js

35 ms

pa

pa

744 ms

online.aw

online.aw

703 ms

top_bg.jpg

top_bg.jpg

63 ms

565d5b36aa67b.png

565d5b36aa67b.png

144 ms

Chinese.gif

Chinese.gif

62 ms

English.gif

English.gif

67 ms

search_bg.png

search_bg.png

68 ms

search_btn.png

search_btn.png

67 ms

left_li.png

left_li.png

142 ms

56330c6826c8d.jpg

56330c6826c8d.jpg

311 ms

56330c75d620d.jpg

56330c75d620d.jpg

378 ms

56330c85ce4df.jpg

56330c85ce4df.jpg

399 ms

563319b1abdf0.jpg

563319b1abdf0.jpg

388 ms

64fbdb7a8c157.jpg

64fbdb7a8c157.jpg

312 ms

5718355dbbc26.jpg

5718355dbbc26.jpg

387 ms

571773f014584.jpg

571773f014584.jpg

421 ms

146114083456691eee85afa.jpg

146114083456691eee85afa.jpg

367 ms

57173181c64f1.jpg

57173181c64f1.jpg

430 ms

5680f04a21d83.jpg

5680f04a21d83.jpg

504 ms

5680efe81cc21.jpg

5680efe81cc21.jpg

517 ms

14508553955677583892832.jpg

14508553955677583892832.jpg

517 ms

translate.jpg

translate.jpg

466 ms

epanel-bg.jpg

epanel-bg.jpg

482 ms

skype.gif

skype.gif

491 ms

ta-embed.js

ta-embed.js

269 ms

top.png

top.png

509 ms

middle.png

middle.png

519 ms

bottom.png

bottom.png

529 ms

cmsfloatformpanel-hd-bg.gif

cmsfloatformpanel-hd-bg.gif

544 ms

collect

collect

13 ms

js

js

51 ms

TB1MnIhPXXXXXcxXpXXXXXXXXXX-185-60.png

TB1MnIhPXXXXXcxXpXXXXXXXXXX-185-60.png

45 ms

ajaxGetBaoDetail.do

ajaxGetBaoDetail.do

872 ms

ajaxGetBaoDetail.do

ajaxGetBaoDetail.do

1016 ms

T1uUG.XjtkXXcb2gzo-77-19.gif

T1uUG.XjtkXXcb2gzo-77-19.gif

113 ms

TB1.z6VPXXXXXbfaXXXXXXXXXXX-460-133.jpg

TB1.z6VPXXXXXbfaXXXXXXXXXXX-460-133.jpg

76 ms

button_121.gif

button_121.gif

846 ms

Accessibility Review

szdisaer.com accessibility score

66

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

szdisaer.com 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

SEO Factors

szdisaer.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

robots.txt is not valid

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 Szdisaer.com 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 Szdisaer.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

szdisaer.com

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