Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

sc.edu.vn

Trang chủ - Hệ thống phần mềm quản lý trường mầm non, trường bán trú (School Center)

Page Load Speed

26.9 sec in total

First Response

777 ms

Resources Loaded

25.9 sec

Page Rendered

263 ms

About Website

Visit sc.edu.vn now to see the best up-to-date Sc content for Vietnam and also check out these interesting facts you probably never knew about sc.edu.vn

Hệ thống phần mềm quản lý trường mầm non giúp quản lý khẩu phần dinh dưỡng, phiếu thu tiền, theo dõi sức khỏe trẻ em, báo cáo phòng giáo dục, tin nhắn trường học

Visit sc.edu.vn

Key Findings

We analyzed Sc.edu.vn page load time and found that the first response time was 777 ms and then it took 26.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sc.edu.vn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value41.3 s

0/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.383

27/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

sc.edu.vn

777 ms

www.sc.edu.vn

1045 ms

www.sc.edu.vn

1575 ms

DXR.axd

844 ms

bootstrap.min.css

1815 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 60% of them (44 requests) were addressed to the original Sc.edu.vn, 18% (13 requests) were made to Embed.tawk.to and 14% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Baocongnghe.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 579.4 kB (21%)

Content Size

2.7 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sc.edu.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 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 54.8 kB

  • Original 70.9 kB
  • After minification 52.6 kB
  • After compression 16.1 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 18.3 kB, which is 26% 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 54.8 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 191.1 kB

  • Original 1.9 MB
  • After minification 1.7 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. Sc images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 169.5 kB

  • Original 525.0 kB
  • After minification 508.8 kB
  • After compression 355.4 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 169.5 kB or 32% of the original size.

CSS Optimization

-64%

Potential reduce by 164.1 kB

  • Original 254.9 kB
  • After minification 241.7 kB
  • After compression 90.8 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. Sc.edu.vn needs all CSS files to be minified and compressed as it can save up to 164.1 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (54%)

Requests Now

68

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sc.edu.vn accessibility score

84

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sc.edu.vn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sc.edu.vn SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Sc.edu.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 Sc.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

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