Access dacovn.com. Nhà Phân phối Màn hình cảm ứng HMI, Máy in nhãn tem đầu cốt cos DACO Ltd

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.188

65/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

dacovn.com

2048 ms

Global.css

926 ms

Layout.css

472 ms

jquery-1.7.1.min.js

957 ms

jquery.easing.1.3.js

474 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 88% of them (82 requests) were addressed to the original Dacovn.com, 8% (7 requests) were made to Opi.yahoo.com and 2% (2 requests) were made to Download.skype.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Dacovn.com.

Content Size

2.4 MB

After Optimization

1.7 MB

In fact, the total size of Dacovn.com main page is 2.4 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 151.7 kB

Original 176.5 kB
After minification 160.2 kB
After compression 24.8 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 151.7 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 85.4 kB

Original 1.6 MB
After minification 1.5 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. DACO Vn images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 370.2 kB

Original 532.2 kB
After minification 519.5 kB
After compression 162.0 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 370.2 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 106.2 kB

Original 124.8 kB
After minification 99.1 kB
After compression 18.6 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. Dacovn.com needs all CSS files to be minified and compressed as it can save up to 106.2 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DACO Vn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

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

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

Language Detected

VI
Language Claimed

N/A
Encoding

UTF-8

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

dacovn.com

Open Graph description is not detected on the main page of DACO Vn. 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

Nhà Phân phối Màn hình cảm ứng HMI, Máy in nhãn tem đầu cốt cos DACO Ltd

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

dacovn.com

Global.css

Layout.css

jquery-1.7.1.min.js

jquery.easing.1.3.js

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

dacovn.com

Global.css

Layout.css

jquery-1.7.1.min.js

jquery.easing.1.3.js

Utils.js

tools.js

treeManagement.js

Search.css

flick_jquery-ui-1.8.4.custom.css

jSearch.js

jquery-ui.min.js

skypeCheck.js

jwplayer.js

jquery.jcarousel.pack.js

homecarousel.js

ga.js

bg_columns.png

Logo.png

online

chat_blue_transparent_97x23.png

online

online

online

online

online

online

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FX3G.jpg

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