Access thuvienso.hbu.edu.vn. Danh mục tài liệu - Thư viện số Trường Đại Học Quốc Tế Hồng Bàng

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

thuvienso.hbu.edu.vn

10874 ms

css

19 ms

generalnew.css

6077 ms

tp_3col_defaultnew.css

516 ms

schoolnew.css

516 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 33% of them (18 requests) were addressed to the original Thuvienso.hbu.edu.vn, 36% (20 requests) were made to Thuvienso.hiu.vn and 7% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Thuvienso.hbu.edu.vn.

Content Size

562.6 kB

After Optimization

298.0 kB

In fact, the total size of Thuvienso.hbu.edu.vn main page is 562.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 273.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 88.9 kB

Original 106.1 kB
After minification 92.3 kB
After compression 17.2 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 13.9 kB, which is 13% 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 88.9 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 8.2 kB

Original 170.0 kB
After minification 161.8 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. Thuvienso Hbu images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 167.0 kB

Original 273.2 kB
After minification 273.2 kB
After compression 106.3 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 167.0 kB or 61% of the original size.

CSS Optimization

-4%

Potential reduce by 468 B

Original 13.2 kB
After minification 13.2 kB
After compression 12.7 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. Thuvienso.hbu.edu.vn has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thuvienso Hbu. 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 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 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

Form elements do not have associated labels

High

Links do not have a discernible name

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

Displays images with incorrect aspect ratio

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

High

Page is blocked from indexing

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

High

Image elements do not have [alt] attributes

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 Thuvienso.hbu.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 Thuvienso.hbu.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

thuvienso.hbu.edu.vn

Open Graph description is not detected on the main page of Thuvienso Hbu. 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

Danh mục tài liệu - Thư viện số Trường Đại Học Quốc Tế Hồng Bàng

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

thuvienso.hbu.edu.vn

css

generalnew.css

tp_3col_defaultnew.css

schoolnew.css

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

thuvienso.hbu.edu.vn

css

generalnew.css

tp_3col_defaultnew.css

schoolnew.css

popup.css

jquery-1.2.6.js

common.js

ajax_core.js

caobox.js

2331363453307.jpg

header_990x135px.jpg

board.png

paginate_pre.gif

paginate_next.gif

1197516_269.jpg

439885952.jpg

1149021606.jpg

833385630.jpg

1744484323.jpg

1342283360.jpg

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2022653318.jpg

1747543515.jpg

830285436.jpg

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550079750.jpg

bg_143x173.gif

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ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWAovBJ.ttf

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bg_bottom_194x3.gif

app.js

dlib.png