Access vtv4.vtv.vn. Ban truyền hình đối ngoại Đài truyền hình Việt Nam

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value21.1 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value10,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value56.8 s

0/100

10%

vtv4.vtv.vn

743 ms

vtv4.vtv.vn

1799 ms

bootstrap.css

240 ms

font-awesome.css

711 ms

ionicons.css

1180 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 90% of them (70 requests) were addressed to the original Vtv4.vtv.vn, 3% (2 requests) were made to Ovp.sohatv.vn and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Vtv4.vtv.vn.

Content Size

31.0 MB

After Optimization

5.9 MB

In fact, the total size of Vtv4.vtv.vn main page is 31.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 30.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 72.7 kB

Original 85.2 kB
After minification 71.6 kB
After compression 12.5 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 13.5 kB, which is 16% 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 72.7 kB or 85% of the original size.

Image Optimization

-81%

Potential reduce by 24.3 MB

Original 30.0 MB
After minification 5.7 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, VTV4 Vtv needs image optimization as it can save up to 24.3 MB or 81% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 423.6 kB

Original 539.2 kB
After minification 362.1 kB
After compression 115.7 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 423.6 kB or 79% of the original size.

CSS Optimization

-84%

Potential reduce by 291.6 kB

Original 347.2 kB
After minification 288.8 kB
After compression 55.6 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. Vtv4.vtv.vn needs all CSS files to be minified and compressed as it can save up to 291.6 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VTV4 Vtv. 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 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

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

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

High

Some elements have a [tabindex] value greater than 0

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

VI
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtv4.vtv.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Vtv4.vtv.vn 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

vtv4.vtv.vn

Open Graph data is detected on the main page of VTV4 Vtv. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Ban truyền hình đối ngoại Đài truyền hình Việt Nam - VTV4

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

vtv4.vtv.vn

vtv4.vtv.vn

bootstrap.css

font-awesome.css

ionicons.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

vtv4.vtv.vn

vtv4.vtv.vn

bootstrap.css

font-awesome.css

ionicons.css

weather-icons.min.css

style.css

app-reponsive.css

jquery.mmenu.all.css

owl.carousel.css

owl.theme.css

prettify.css

bt-tab.css

style_epg.css

main.65027555.css

js

main.dc939d03.js

jquery.js

bootstrap.js

jquery.mmenu.min.all.js

owl.carousel.js

bootstrap.min.js

jquery.bootstrap.wizard.js

prettify.js

jquery.mCustomScrollbar.concat.min.js

bootstrap-old.css

atrk.js

embed

01.png

flag_vn.png

flag_en.png

logo-pc.png

banner-top.jpg

line_menu.gif

logo.svg

B3QCI3MH_Dien%20dan.jpg

B3QCGFGD_Khach%20quoc%20te.jpg

B3QCFJ7C_Binh%20Dinh.jpg

B3QCE1UK_moc-chau-son-la.jpg

B3QCCCDA_kinh%20te%20Vn%20lai.jpeg

B3QAAVQQ_hinh1-dien-dan.jpg

line-header.png

B3PD27P3_ttxvn_ngay_hoi_gia_dinh_tai_bi.jpg