Access dasungtech.com. 大上科技-DASUNG

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.6 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

www.dasung.com

1327 ms

outerChain.jsp

1170 ms

dialog.min.css

718 ms

siteBase2.min.css

721 ms

base2.min.css

727 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dasungtech.com, 29% (19 requests) were made to 1ms.508mallsys.com and 14% (9 requests) were made to 23177755.s21i.faimallusr.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Dasung.com.

Content Size

6.3 MB

After Optimization

6.0 MB

In fact, the total size of Dasungtech.com main page is 6.3 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 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 75.6 kB

Original 99.0 kB
After minification 95.5 kB
After compression 23.4 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 75.6 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 206.0 kB

Original 5.3 MB
After minification 5.1 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. DASUNG Tech images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 32.0 kB

Original 797.5 kB
After minification 797.5 kB
After compression 765.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 19 B

Original 119.1 kB
After minification 119.1 kB
After compression 119.0 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. Dasungtech.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DASUNG Tech. 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 14 to 1 for CSS 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

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dasungtech.com 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 Dasungtech.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

dasungtech.com

Open Graph description is not detected on the main page of DASUNG Tech. 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

大上科技-DASUNG

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

www.dasung.com

outerChain.jsp

dialog.min.css

siteBase2.min.css

base2.min.css

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

www.dasung.com

outerChain.jsp

dialog.min.css

siteBase2.min.css

base2.min.css

module.min.css

fkTheme.min.css

moduleAnimationForNoSpider.min.css

fkNav.min.css

newSearchBoxStyle.min.css

poshytipAndmCustomScrollbar.min.css

jzcusstyle.jsp

webRightBar.min.css

comMethods.min.js

jzUtils.min.js

polyfill.min.js

jzRequest.min.js

jzUtils.min.js

bizShared.min.js

bizShared.min.css

jquery-core.min.js

jquery-mousewheel.min.js

frontend.min.js

jquery-ui-core.min.js

jquery-parallax.min.js

monitor.min.js

partitionSite.min.js

2052.min.js

site.min.js

moment.min.js

priceCalendarBase.min.js

priceCalendar.min.js

priceCalendar.min.css

js

fontsIco.min.css

hawkEye.min.js

vbg01.png

ABUIABAEGAAg_dyslAYo1PSKjQUwnC44xgY.png

dot.gif

qrCode.jsp

ABUIABACGAAgpbHarwYorKmVFjCADzjoBw.jpg

vbg01.png

jt4_6.png