Access doanhnhanthanhdat.net. Chia sẻ kiến thức, kinh nghiệm các doanh nhân Việt Nam và Thế Giới

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value18.7 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

doanhnhanthanhdat.net

1108 ms

style.css

1503 ms

colorbox.css

1013 ms

jquery.min.js

1994 ms

jwplayer.js

8633 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Doanhnhanthanhdat.net, 51% (48 requests) were made to Static1.cafeland.vn and 26% (24 requests) were made to Cafeland.vn. The less responsive or slowest element that took the longest time to load (8.6 sec) relates to the external source Tv.cafeland.vn.

Content Size

2.0 MB

After Optimization

1.5 MB

In fact, the total size of Doanhnhanthanhdat.net main page is 2.0 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 89.7 kB

Original 107.1 kB
After minification 75.3 kB
After compression 17.4 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. This page needs HTML code to be minified as it can gain 31.8 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 89.7 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 137.2 kB

Original 1.5 MB
After minification 1.4 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. Doanh Nhanthanhdat images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 155.1 kB

Original 264.1 kB
After minification 253.1 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 155.1 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 96.0 kB

Original 116.6 kB
After minification 95.9 kB
After compression 20.6 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. Doanhnhanthanhdat.net needs all CSS files to be minified and compressed as it can save up to 96.0 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doanh Nhanthanhdat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

High

Page has valid source maps

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

Language and Encoding

Language Detected

VI
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doanhnhanthanhdat.net can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Doanhnhanthanhdat.net 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

doanhnhanthanhdat.net

Open Graph description is not detected on the main page of Doanh Nhanthanhdat. 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

Chia sẻ kiến thức, kinh nghiệm các doanh nhân Việt Nam và Thế Giới

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

doanhnhanthanhdat.net

style.css

colorbox.css

jquery.min.js

jwplayer.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

doanhnhanthanhdat.net

style.css

colorbox.css

jquery.min.js

jwplayer.js

jquery.infinitescroll.min.js

smart_fixed.js

jquery.colorbox.js

colorbox.css

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