Access vuthao.com. Vũ Thảo - phần mềm bản quyền và SharePoint Solutions

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

www.vuthao.com.vn

3776 ms

corev15.css

1498 ms

search.css

1000 ms

init.js

1974 ms

ScriptResource.axd

1262 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Vuthao.com, 7% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source Vuthao.com.vn.

Content Size

3.4 MB

After Optimization

1.6 MB

In fact, the total size of Vuthao.com main page is 3.4 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. 50% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 120.7 kB

Original 148.9 kB
After minification 131.2 kB
After compression 28.2 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 17.7 kB, which is 12% 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 120.7 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 75.2 kB

Original 1.2 MB
After minification 1.1 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. Vuthao images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 967.8 kB

Original 1.3 MB
After minification 1.2 MB
After compression 367.9 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 967.8 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 629.1 kB

Original 733.6 kB
After minification 615.3 kB
After compression 104.5 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. Vuthao.com needs all CSS files to be minified and compressed as it can save up to 629.1 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vuthao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 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

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

VI
Language Claimed

VI
Encoding

UTF-8

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

vuthao.com

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

Vũ Thảo - phần mềm bản quyền và SharePoint Solutions

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.vuthao.com.vn

corev15.css

search.css

init.js

ScriptResource.axd

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.vuthao.com.vn

corev15.css

search.css

init.js

ScriptResource.axd

blank.js

ScriptResource.axd

jquery.min.js

vuthao.css

WebResource.axd

kendo.core.min.js

kendo.data.min.js

kendo.popup.min.js

kendo.list.min.js

kendo.fx.min.js

kendo.default.min.css

kendo.common.min.css

kendo.rtl.min.css

JavaScriptUT.js

jssor.core.js

jssor.slider.js

jssor.utils.js

owl.carousel.css

modernizr-2.6.1.min.js

owl.carousel.min.js

custom.js

tabs.js

favicon.ico

spcommon.png

siteIcon.png

WebResource.axd

searchresultui.png

logo.png

search-ic.png

01.jpg

MORE1.png

02.jpg

03.jpg

04.jpg

SANOFI.png

logoOU.jpg

logoVNA.png

sgnewport.png