Access daythem.edu.vn. Gia sư Thành Được - Trung Tâm Gia Sư Dạy Kèm Tại Nhà Uy Tín Chất Lượng

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.614

10/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

daythem.edu.vn

1255 ms

detect_mobile.js

294 ms

style.css

586 ms

jsCarousel-2.0.0.css

600 ms

ddaccordion.js

608 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 72% of them (80 requests) were addressed to the original Daythem.edu.vn, 7% (8 requests) were made to Static.xx.fbcdn.net and 5% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Daythem.edu.vn.

Content Size

1.2 MB

After Optimization

927.5 kB

In fact, the total size of Daythem.edu.vn 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. 45% of websites need less resources to load. Images take 861.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 82.5 kB

Original 98.8 kB
After minification 89.2 kB
After compression 16.3 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. 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 82.5 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 53.9 kB

Original 861.2 kB
After minification 807.3 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. Daythem images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 128.6 kB

Original 220.6 kB
After minification 218.3 kB
After compression 92.0 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 128.6 kB or 58% of the original size.

CSS Optimization

-68%

Potential reduce by 25.3 kB

Original 37.1 kB
After minification 33.6 kB
After compression 11.9 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. Daythem.edu.vn needs all CSS files to be minified and compressed as it can save up to 25.3 kB or 68% of the original size.

Requests Now

105

After Optimization

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Daythem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 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 keyboard navigation in your application.

High

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

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

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>).

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

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 Daythem.edu.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 Daythem.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

daythem.edu.vn

Open Graph data is detected on the main page of Daythem. 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

Gia sư Thành Được - Trung Tâm Gia Sư Dạy Kèm Tại Nhà Uy Tín Chất Lượng

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

daythem.edu.vn

detect_mobile.js

style.css

jsCarousel-2.0.0.css

ddaccordion.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

daythem.edu.vn

detect_mobile.js

style.css

jsCarousel-2.0.0.css

ddaccordion.js

library.js

Share.js

AC_RunActiveContent.js

jquery.min.js

tuyendung.js

jquery-latest.pack.js

jcarousellite_1.0.1c4.js

jquery.ui.totop.js

chatinline.aspx

livechat2.aspx

a%20click-here%20bang%20gia.png

bg-body.jpg

head.png

golo.png

icon-yahoo.png

icon-f.png

icon-s.png

bg-menu.png

menur-hover-left.png

menur-hover-right.png

slide1769.jpg

slider-2788.jpg

slider-3505.jpg

dodo.jpg

maps-icon.png

mail.png

facebook.png

googleplus.png

icon-dang-ky.png

new.gif

hot.gif

you.jpg

bai-hoc-hay609.gif

icon-6.gif

bg-slide.png

hotline-left.png

bg-dk.png

bg-slide-show.png