Access Thuvienso..vn. - Accessify

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Report Summary

56
Performance

Renders faster than 72% of other websites
55
Accessibility

Visual factors better than that of 23% of websites
58
Best Practices

More advanced features available than in 20% of websites
57
SEO

Google-friendlier than 20% of websites

thuvienso.vlute.edu.vn

Page Load Speed

9 sec in total

First Response

1.2 sec

Resources Loaded

7.5 sec

Page Rendered

335 ms

About Website

Click here to check amazing Thuvienso Vlute content for Vietnam. Otherwise, check out these important facts you probably never knew about thuvienso.vlute.edu.vn

Hàng ngàn tài liệu, luận văn, bài giảng, giáo trình thuộc danh mục hay và cập nhật - Tại thư viện số Trường Đại Học Sư Phạm Kỹ Thuật Vĩnh Long

Visit thuvienso.vlute.edu.vn

Key Findings

We analyzed Thuvienso.vlute.edu.vn page load time and found that the first response time was 1.2 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

thuvienso.vlute.edu.vn performance score

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

thuvienso.vlute.edu.vn

1234 ms

css

24 ms

generalnew.css

2173 ms

tp_3col_defaultnew.css

2175 ms

schoolnew.css

2190 ms

View All Requests

Our browser made a total of 53 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Thuvienso.vlute.edu.vn, 40% (21 requests) were made to Image.dlib.vn and 28% (15 requests) were made to Static.dlib.vn. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Image.dlib.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 344.6 kB (49%)

Content Size

708.0 kB

After Optimization

363.3 kB

HTML
Images
JavaScript
CSS

In fact, the total size of Thuvienso.vlute.edu.vn main page is 708.0 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. 60% of websites need less resources to load. Javascripts take 285.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 78.1 kB

Original 92.9 kB
After minification 81.8 kB
After compression 14.9 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. This page needs HTML code to be minified as it can gain 11.1 kB, which is 12% 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 78.1 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 7.7 kB

Original 219.8 kB
After minification 212.0 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. Thuvienso Vlute images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 171.8 kB

Original 285.5 kB
After minification 285.5 kB
After compression 113.7 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 171.8 kB or 60% of the original size.

CSS Optimization

-79%

Potential reduce by 87.0 kB

Original 109.8 kB
After minification 104.0 kB
After compression 22.8 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. Thuvienso.vlute.edu.vn needs all CSS files to be minified and compressed as it can save up to 87.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

After Optimization

AJAX
Images
JavaScript
CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thuvienso Vlute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

thuvienso.vlute.edu.vn

1234 ms

css

24 ms

generalnew.css

2173 ms

tp_3col_defaultnew.css

2175 ms

schoolnew.css

2190 ms

popup.css

2196 ms

jquery-1.2.6.js

2433 ms

common.js

2193 ms

ajax_core.js

2405 ms

caobox.js

2404 ms

vlute_1429951074.jpg

3250 ms

0.gif

35 ms

vlute_1429951040.jpg

3251 ms

vlute_1429950843.jpg

3252 ms

1431056714.jpg

3032 ms

1174644964.jpg

3034 ms

1906685545.jpg

3050 ms

1312161757.jpg

3277 ms

9951445797839.jpg

3284 ms

237212611.jpg

3305 ms

1582360936.jpg

3482 ms

716560385.jpg

3495 ms

5741454776857.jpg

3485 ms

7181454777105.jpg

3519 ms

vlute_1456306830.jpg

3543 ms

5901451919929.jpg

3567 ms

vlute_C01_1362968989.jpg

3717 ms

vlute_1420712325.jpg

3721 ms

129552080.jpg

3729 ms

1735558_0510.jpg

4003 ms

vlute_1420711475.jpg

3787 ms

vlute_C01_1362968561.jpg

3810 ms

banner_vlute.jpg

1180 ms

board.png

474 ms

paginate_pre.gif

252 ms

paginate_next.gif

252 ms

huong-dan_thuvienbrvt.png

491 ms

bg_143x173.gif

248 ms

Zd2E9abXLFGSr9G3YK2MsKDbm6fPDOZJsR8PmdG62gY.ttf

28 ms

b9QBgL0iMZfDSpmcXcE8nJRhFVcex_hajThhFkHyhYk.ttf

28 ms

b9QBgL0iMZfDSpmcXcE8nPOYkGiSOYDq_T7HbIOV1hA.ttf

28 ms

bg_bottom_194x3.gif

369 ms

loader.js

29 ms

analytics.js

9 ms

collect

31 ms

widget.txt

69 ms

subiz-widget-view.css

90 ms

35571

98 ms

init

151 ms

fontawesome-webfont.woff

232 ms

cross-storage.html

83 ms

avatar-chat.png

74 ms

logo-icon.png

116 ms

Accessibility Review

thuvienso.vlute.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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

thuvienso.vlute.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

thuvienso.vlute.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

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

High

Document uses plugins

Language and Encoding

Language Detected

EN
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.vlute.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that English 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.vlute.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.vlute.edu.vn

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