Access namdinhtv.vn. Đài Phát thanh - Truyền hình Nam Định, Nam Định News, Nam Định Radio

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value25.1 s

0/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.505

16/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

namdinhtv.vn

4423 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

467 ms

css_tGTNtRAsNJmcVz4r7F6YCijbrQGDbBmziHSrRd1Stqc.css

693 ms

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

465 ms

css_SmjubBDWJ_nLub3SP23U7tkmfkGKJh3iGmtwU-sui_g.css

701 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 92% of them (95 requests) were addressed to the original Namdinhtv.vn, 4% (4 requests) were made to Stc-laban.zdn.vn and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (13.3 sec) belongs to the original domain Namdinhtv.vn.

Content Size

2.7 MB

After Optimization

2.1 MB

In fact, the total size of Namdinhtv.vn main page is 2.7 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. 45% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 154.0 kB

Original 174.3 kB
After minification 142.3 kB
After compression 20.3 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 32.1 kB, which is 18% 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 154.0 kB or 88% of the original size.

Image Optimization

-17%

Potential reduce by 381.9 kB

Original 2.3 MB
After minification 1.9 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, Nam Dinhtv needs image optimization as it can save up to 381.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-39%

Potential reduce by 87.9 kB

Original 225.7 kB
After minification 225.7 kB
After compression 137.8 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 87.9 kB or 39% of the original size.

CSS Optimization

-1%

Potential reduce by 88 B

Original 16.7 kB
After minification 16.7 kB
After compression 16.6 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. Namdinhtv.vn has all CSS files already compressed.

Requests Now

102

After Optimization

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nam Dinhtv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 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 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

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

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

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

N/A
Encoding

UTF-8

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

namdinhtv.vn

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

Đài Phát thanh - Truyền hình Nam Định, Nam Định News, Nam Định Radio

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

namdinhtv.vn

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_tGTNtRAsNJmcVz4r7F6YCijbrQGDbBmziHSrRd1Stqc.css

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

css_SmjubBDWJ_nLub3SP23U7tkmfkGKJh3iGmtwU-sui_g.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

namdinhtv.vn

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_tGTNtRAsNJmcVz4r7F6YCijbrQGDbBmziHSrRd1Stqc.css

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

css_SmjubBDWJ_nLub3SP23U7tkmfkGKJh3iGmtwU-sui_g.css

css_94hyWdhYWCHfpDnX_z8keJLpdNlLijQup0i9WFchDvg.css

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jwplayer.js

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weather

js_bvDeau6BHtUELFZQI0-GAwpM2B5kTI7qVl7-wEUVpKE.js

analytics.js

collect

js

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