Access trungtamtienghan.edu.vn. Trung tâm tiếng Hàn SOFL - Địa chỉ học tiếng Hàn uy tín số 1 tại Việt Nam

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

trungtamtienghan.edu.vn

839 ms

trungtamtienghan.edu.vn

1968 ms

5401dade12a9231a1a9ba513b8e84fae.opt.css

815 ms

css2

43 ms

jquery.min.js

1048 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 94% of them (92 requests) were addressed to the original Trungtamtienghan.edu.vn, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Trungtamtienghan.edu.vn.

Content Size

7.6 MB

After Optimization

7.3 MB

In fact, the total size of Trungtamtienghan.edu.vn main page is 7.6 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. 70% of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 67.4 kB

Original 85.9 kB
After minification 85.0 kB
After compression 18.5 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. 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 67.4 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 327.2 kB

Original 7.5 MB
After minification 7.2 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. Trung Tamtienghan images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

Original 21.0 kB
After minification 21.0 kB
After compression 20.9 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. This website has mostly compressed JavaScripts.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trung Tamtienghan. 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 as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

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

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

VI
Encoding

UTF-8

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

trungtamtienghan.edu.vn

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

Trung tâm tiếng Hàn SOFL - Địa chỉ học tiếng Hàn uy tín số 1 tại Việt Nam

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

trungtamtienghan.edu.vn

trungtamtienghan.edu.vn

5401dade12a9231a1a9ba513b8e84fae.opt.css

css2

jquery.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

trungtamtienghan.edu.vn

trungtamtienghan.edu.vn

5401dade12a9231a1a9ba513b8e84fae.opt.css

css2

jquery.min.js

vi.js

global.js

wow.min.js

js

slick.js

jquery.colorbox.js

jquery-modal-video.min.js

owl.carousel.js

jquery.lazyload.min.js

mudim.js

analytics.js

han-logo.png

bg-home-1.png

24.08.13-banner-han-1230.jpg

co-so-1-3.png.webp

co-so-1-2.png.webp

co-so-1-1.png.webp

co-so-3-1.png.webp

co-so-3-3.png.webp

co-so-3-2.png.webp

co-so-2-1.png.webp

co-so-2-2.png.webp

co-so-2-3.png.webp

co-so-4-1.jpg.webp

co-so-4-3_1.jpg.webp

co-so-4-2_1.jpg.webp

co-so-5-1_1.jpg.webp

co-so-5-2.jpg.webp

co-so-5-4.jpg.webp

co-so-6-1.jpg.webp

co-so-6-2.jpg.webp

co-so-6-3_1.jpg.webp

co-so-7-1.jpg.webp

co-so-7-2.jpg.webp

co-so-7-3.jpg.webp

co-so-8-1.jpg.webp

co-so-8-2.jpg.webp

co-so-8-3.jpg.webp

ha-noi-tv.jpg