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Report Summary

46
Performance

Renders faster than 65% of other websites
91
Accessibility

Visual factors better than that of 76% of websites
83
Best Practices

More advanced features available than in 55% of websites
90
SEO

Google-friendlier than 68% of websites

btct.nuce.edu.vn Bộ môn Bê tông cốt thép > Trang chủ

Page Load Speed

10.8 sec in total

First Response

2.6 sec

Resources Loaded

8.1 sec

Page Rendered

153 ms

About Website

Click here to check amazing Btct Nuce content for Vietnam. Otherwise, check out these important facts you probably never knew about btct.nuce.edu.vn

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Key Findings

We analyzed Btct.nuce.edu.vn page load time and found that the first response time was 2.6 sec and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Btct.nuce.edu.vn rating and web reputation

Performance Metrics

btct.nuce.edu.vn performance score

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

btct.nuce.edu.vn

2616 ms

default.css

1012 ms

module.css

506 ms

module.css

519 ms

module.css

507 ms

View All Requests

Our browser made a total of 67 requests to load all elements on the main page. We found that all of those requests were addressed to Btct.nuce.edu.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Btct.nuce.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 718.8 kB (45%)

Content Size

1.6 MB

After Optimization

890.8 kB

HTML
Images
JavaScript
CSS

In fact, the total size of Btct.nuce.edu.vn main page is 1.6 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. 25% of websites need less resources to load. Javascripts take 796.0 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 29.1 kB

Original 42.0 kB
After minification 37.7 kB
After compression 12.9 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 29.1 kB or 69% of the original size.

Image Optimization

-6%

Potential reduce by 44.7 kB

Original 706.7 kB
After minification 662.0 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. Btct Nuce images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 592.5 kB

Original 796.0 kB
After minification 736.6 kB
After compression 203.5 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 592.5 kB or 74% of the original size.

CSS Optimization

-81%

Potential reduce by 52.5 kB

Original 64.8 kB
After minification 52.7 kB
After compression 12.3 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. Btct.nuce.edu.vn needs all CSS files to be minified and compressed as it can save up to 52.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (55%)

Requests Now

After Optimization

Images
JavaScript
CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Btct Nuce. 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 from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

btct.nuce.edu.vn

2616 ms

default.css

1012 ms

module.css

506 ms

module.css

519 ms

module.css

507 ms

skin.css

524 ms

sptt-main.css

755 ms

container.css

762 ms

jquery.min.js

1780 ms

jquery-ui.min.js

2104 ms

Telerik.Web.UI.WebResource.axd

1009 ms

WebResource.axd

776 ms

spmenu.js

1072 ms

Telerik.Web.UI.WebResource.axd

1836 ms

dnn.js

791 ms

dnn.jquery.js

1036 ms

jquery.hoverIntent.min.js

1047 ms

dnncore.js

1321 ms

sptt-main.css

1319 ms

Module.css

1328 ms

ddaccordion.js

1548 ms

jquery.easing.js

1555 ms

scriptlofslider.js

1558 ms

logo.png

511 ms

spacer.gif

281 ms

banner.jpg

1497 ms

uoGroup2.gif

277 ms

uoVisitors.gif

276 ms

uoMembers.gif

387 ms

uoTotal.gif

511 ms

uoGroup3.gif

509 ms

0.png

542 ms

1.png

636 ms

6.png

758 ms

5.png

760 ms

4.png

760 ms

dhxd-logo.jpg

1067 ms

khoa-xd-logo.jpg

1143 ms

ccu-logo.jpg

1260 ms

thu-vien-logo.jpg

1304 ms

1_olympic.jpg

2775 ms

Gap%20mat.jpg

3159 ms

olympic.jpg

2656 ms

%C3%BD%20t%C6%B0%E1%BB%9Fng.jpg

2254 ms

image3.jpg

3307 ms

image2.jpg

3233 ms

qualification_history_256.png

2510 ms

Title-BG-Grey2.png

2767 ms

action_right.gif

2912 ms

rt.gif

3038 ms

511588.png

3027 ms

main_bg.jpg

3268 ms

menu_bg.png

3136 ms

loading2.gif

3128 ms

arrowgreen.gif

3279 ms

Grey-Gradient-TL.png

3324 ms

Grey-Gradient-TR.png

3385 ms

Grey-Gradient-T.png

3382 ms

Grey-Gradient-BL.png

3398 ms

Grey-Gradient-BR.png

3410 ms

Grey-Gradient-B.png

3438 ms

load-indicator.gif

3484 ms

transparent_bg.png

3423 ms

footer_bg.gif

3308 ms

bottom-line.png

3315 ms

arrow-bg.png

625 ms

grad-bg.gif

674 ms

Accessibility Review

btct.nuce.edu.vn accessibility score

Accessibility Issues

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

Links do not have a discernible name

Best Practices

btct.nuce.edu.vn best practices score

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

SEO Factors

btct.nuce.edu.vn SEO score

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

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 Btct.nuce.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 Btct.nuce.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

btct.nuce.edu.vn

Open Graph description is not detected on the main page of Btct Nuce. 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:

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