Access giasudatviet.com. Trung Tâm Gia Sư Đất Việt Gia Sư Dạy Kèm Uy Tín Chất Lượng TPHCM

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

giasudatviet.com

1741 ms

style.css

549 ms

styles.css

542 ms

style.css

545 ms

jquery.js

851 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 31% of them (32 requests) were addressed to the original Giasudatviet.com, 22% (22 requests) were made to Static.xx.fbcdn.net and 8% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Facebook.com.

Content Size

1.2 MB

After Optimization

784.0 kB

In fact, the total size of Giasudatviet.com main page is 1.2 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. 65% of websites need less resources to load. Images take 617.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 40.5 kB

Original 53.4 kB
After minification 51.6 kB
After compression 13.0 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 40.5 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 20.2 kB

Original 617.2 kB
After minification 597.0 kB

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. Gia Sudatviet images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 284.4 kB

Original 442.1 kB
After minification 437.6 kB
After compression 157.7 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 284.4 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 75.3 kB

Original 91.7 kB
After minification 77.8 kB
After compression 16.4 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. Giasudatviet.com needs all CSS files to be minified and compressed as it can save up to 75.3 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gia Sudatviet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 9 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

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

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 Giasudatviet.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 Giasudatviet.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

giasudatviet.com

Open Graph description is not detected on the main page of Gia Sudatviet. 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 Gia Sư Đất Việt Gia Sư Dạy Kèm Uy Tín Chất Lượng TPHCM

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

giasudatviet.com

style.css

styles.css

style.css

jquery.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

giasudatviet.com

style.css

styles.css

style.css

jquery.js

jquery-migrate.min.js

vertical.css

js

conversion.js

DMCABadgeHelper.min.js

superfish.js

superfish.args.js

jquery.form.js

scripts.js

jflow.plus.js

css

analytics.js

collect

plusone.js

badge.gif

dmca_protected_sml_120l.png

body.jpg

gia-su-uy-tin.jpg

gia-su-chat-luong.jpg

lua-chon-gia-su.jpg

logo-300.png

tu-hoc-hieu-qua.jpg

bao-gia-gia-su-dat-viet.gif

GIA-SU-DAT-VIET-CAM-KET-300x67.jpg

lop-day-can-gia-su1.gif

tuyen-gia-su.jpg

all.js

fbds.js

loader.js

wrap.jpg

header.png

nav.png

nav-line.png

blur.png

slider-previous.png

slider-next.png

headline-1.png

headline-2.png