Danh Mục Tài Liệu - Thư Viện Số Trường Đại Học Sư Phạm Kỹ Thuật

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Report Summary

47
Performance

Renders faster than 65% 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
64
SEO

Google-friendlier than 24% of websites

thuvienso.hcmute.edu.vn Danh mục tài liệu - Thư viện số Trường Đại Học Sư Phạm Kỹ Thuật

Page Load Speed

7.6 sec in total

First Response

1.3 sec

Resources Loaded

6.1 sec

Page Rendered

242 ms

About Website

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

Visit thuvienso.hcmute.edu.vn

Key Findings

We analyzed Thuvienso.hcmute.edu.vn page load time and found that the first response time was 1.3 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

thuvienso.hcmute.edu.vn performance score

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

thuvienso.hcmute.edu.vn

1317 ms

css

34 ms

generalnew.css

239 ms

tp_3col_defaultnew.css

475 ms

schoolnew.css

714 ms

View All Requests

Our browser made a total of 50 requests to load all elements on the main page. We found that 78% of them (39 requests) were addressed to the original Thuvienso.hcmute.edu.vn, 8% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Thuvienso.hcmute.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 279.7 kB (31%)

Content Size

901.4 kB

After Optimization

621.7 kB

HTML
Images
JavaScript
CSS

In fact, the total size of Thuvienso.hcmute.edu.vn main page is 901.4 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. 45% of websites need less resources to load. Images take 483.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 89.8 kB

Original 107.0 kB
After minification 92.4 kB
After compression 17.1 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 14.5 kB, which is 14% 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 89.8 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 23.1 kB

Original 483.5 kB
After minification 460.4 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 Hcmute images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 166.4 kB

Original 297.8 kB
After minification 297.8 kB
After compression 131.4 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 166.4 kB or 56% of the original size.

CSS Optimization

-3%

Potential reduce by 413 B

Original 13.1 kB
After minification 13.1 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.hcmute.edu.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (27%)

Requests Now

After Optimization

AJAX
Images
JavaScript
CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thuvienso Hcmute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

thuvienso.hcmute.edu.vn

1317 ms

css

34 ms

generalnew.css

239 ms

tp_3col_defaultnew.css

475 ms

schoolnew.css

714 ms

popup.css

720 ms

jquery-1.2.6.js

986 ms

common.js

737 ms

ajax_core.js

740 ms

caobox.js

742 ms

platform.js

25 ms

banne_kthcm.jpg

1179 ms

board.png

490 ms

news-hcmute.jpg

1459 ms

news-hcmute.gif

2692 ms

dlib.png

716 ms

hcmute_1321949462.jpg

240 ms

crc_press_drug_abuse_handbook_8847.jpg

479 ms

196550_066.jpg

719 ms

hcmute_1721037613.jpg

736 ms

hcmute_1720496256.jpg

957 ms

hcmute_1720431069.jpg

958 ms

hcmute_1720160942.jpg

983 ms

hcmute_1720149987.jpg

1198 ms

hcmute_1720149895.jpg

1196 ms

hcmute_1719978694.jpg

1229 ms

hcmute_1719974562.jpg

1414 ms

hcmute_1719974509.jpg

1436 ms

hcmute_1719974364.jpg

1437 ms

hcmute_1719974272.jpg

1474 ms

hcmute_1719973966.jpg

1650 ms

paginate_pre.gif

1673 ms

paginate_next.gif

1675 ms

HUONG-DAN.jpg

1699 ms

HUONG-DAN.jpg

1718 ms

909122_1623745266.jpg

1887 ms

909022_1706091109.jpg

1911 ms

909022_1710749401.jpg

1914 ms

dlib.png

1940 ms

bg_143x173.gif

1897 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyovBJ.ttf

39 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWAovBJ.ttf

82 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsovBJ.ttf

83 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpfBJ.ttf

84 ms

bg_bottom_194x3.gif

1997 ms

app.js

59 ms

analytics.js

20 ms

collect

13 ms

19102e53410.app.js

63 ms

js

62 ms

Accessibility Review

thuvienso.hcmute.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.hcmute.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.hcmute.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

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.hcmute.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.hcmute.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.hcmute.edu.vn

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