Tools & Wizards About Us
gslhcm.org.vn screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

gslhcm.org.vn

Thư viện Khoa học Tổng hợp Thành phố Hồ Chí Minh

Page Load Speed

48.1 sec in total

First Response

1 sec

Resources Loaded

45.9 sec

Page Rendered

1.2 sec

gslhcm.org.vn screenshot

About Website

Click here to check amazing Gslhcm content for Vietnam. Otherwise, check out these important facts you probably never knew about gslhcm.org.vn

Thư viện Khoa học Tổng hợp Thành phố Hồ Chí Minh

Visit gslhcm.org.vn

Key Findings

We analyzed Gslhcm.org.vn page load time and found that the first response time was 1 sec and then it took 47.1 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 were 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

gslhcm.org.vn performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value27.7 s

0/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.82

4/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

gslhcm.org.vn

1004 ms

index.php

8024 ms

typography2.php

1350 ms

modal.css

663 ms

attachments_list.css

660 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Gslhcm.org.vn, 81% (126 requests) were made to Thuvientphcm.gov.vn and 16% (25 requests) were made to I3.ytimg.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Thuvientphcm.gov.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (15%)

Content Size

7.9 MB

After Optimization

6.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gslhcm.org.vn main page is 7.9 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. 60% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 197.9 kB

  • Original 236.2 kB
  • After minification 213.9 kB
  • After compression 38.4 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 197.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 385.3 kB

  • Original 6.9 MB
  • After minification 6.5 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. Gslhcm images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 387.8 kB

  • Original 553.8 kB
  • After minification 528.3 kB
  • After compression 165.9 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 387.8 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 187.8 kB

  • Original 223.1 kB
  • After minification 169.9 kB
  • After compression 35.4 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. Gslhcm.org.vn needs all CSS files to be minified and compressed as it can save up to 187.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (33%)

Requests Now

142

After Optimization

95

  • Images
  • JavaScript
  • CSS

The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gslhcm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gslhcm.org.vn

gslhcm.org.vn

1004 ms

index.php

index.php

8024 ms

typography2.php

typography2.php

1350 ms

modal.css

modal.css

663 ms

attachments_list.css

attachments_list.css

660 ms

attachments_hide.css

attachments_hide.css

659 ms

style.css

style.css

973 ms

typo.css

typo.css

976 ms

mega.css

mega.css

981 ms

system.css

system.css

1284 ms

general.css

general.css

1291 ms

template.css

template.css

1288 ms

fonts.css

fonts.css

1588 ms

joomla.css

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1598 ms

extensions.css

extensions.css

1593 ms

layout.css

layout.css

1654 ms

responsive.css

responsive.css

1696 ms

apple-middle.css

apple-middle.css

1665 ms

default.css

default.css

1897 ms

style.css

style.css

1898 ms

ajax-tabs.css

ajax-tabs.css

1893 ms

ajax-tabs-color.css

ajax-tabs-color.css

1975 ms

style.css

style.css

1976 ms

general.css

general.css

3904 ms

style.css

style.css

2272 ms

jstyle.css

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2276 ms

style.css

style.css

3163 ms

mootools-core.js

mootools-core.js

5570 ms

core.js

core.js

2320 ms

mootools-more.js

mootools-more.js

5468 ms

skyline_scrolltotop.min.js

skyline_scrolltotop.min.js

2573 ms

caption.js

caption.js

2646 ms

attachments_refresh.js

attachments_refresh.js

2882 ms

modal.js

modal.js

2953 ms

script.js

script.js

3204 ms

script.js

script.js

3267 ms

global.js

global.js

3456 ms

contentslider.js

contentslider.js

2874 ms

jquery-1.5.min.js

jquery-1.5.min.js

3544 ms

jsmart.noconflict.js

jsmart.noconflict.js

3142 ms

jsmart.easing.1.3.js

jsmart.easing.1.3.js

2869 ms

jsmart.cookie.js

jsmart.cookie.js

3125 ms

jsmart.ajaxtabs.js

jsmart.ajaxtabs.js

3163 ms

system.css

system.css

2992 ms

jsmart.slider.js

jsmart.slider.js

3167 ms

stickytooltip.js

stickytooltip.js

4058 ms

slider.js

slider.js

3245 ms

engine.js

engine.js

3279 ms

jscript.js

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3174 ms

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3273 ms

analytics.js

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173 ms

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269 ms

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520 ms

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609 ms

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610 ms

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612 ms

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611 ms

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636 ms

shadow_header.png

shadow_header.png

354 ms

bg-blockheader.png

bg-blockheader.png

12835 ms

logotentv.png

logotentv.png

902 ms

bg-menu.png

bg-menu.png

635 ms

arrow-submenu.png

arrow-submenu.png

349 ms

410x300-image001.jpg

410x300-image001.jpg

2173 ms

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3475 ms

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410x300-toa-dam-khiem-thi-.jpg

4144 ms

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3767 ms

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3096 ms

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2485 ms

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2774 ms

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3095 ms

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4838 ms

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4596 ms

tintuc.2016.tong-ket-lien-hiep_3nsp_215.jpg

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3750 ms

nhung-ngon-tay-dan.jpg

nhung-ngon-tay-dan.jpg

5822 ms

thomoc.jpg

thomoc.jpg

4947 ms

dongdoi.png

dongdoi.png

15740 ms

gai-xinh-noi-loan.png

gai-xinh-noi-loan.png

20166 ms

bachu.png

bachu.png

8105 ms

congchua.jpg

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5885 ms

999-mon-an-a-au-650x650.jpg

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7007 ms

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8294 ms

chiviyeu.jpg

chiviyeu.jpg

8215 ms

Binh%20yen%20khi%20ta%20gap%20nhau.jpg

Binh%20yen%20khi%20ta%20gap%20nhau.jpg

9842 ms

dongcua.jpg

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9359 ms

htbui1.jpg

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9249 ms

machbuon.jpg

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9828 ms

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9946 ms

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10452 ms

6_Le%20tonkin.jpg

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11346 ms

5_Dictionarivm1.jpg

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10850 ms

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11023 ms

Hoang%20trieu%20ton%20pho%20tien%20bien%20Q.1-1.jpg

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12980 ms

2_Giadinhbao1.jpg

2_Giadinhbao1.jpg

20080 ms

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collect

86 ms

sach-dong1.jpg

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15395 ms

hoang-trieu-ngoc-diep-t2-1.jpg

hoang-trieu-ngoc-diep-t2-1.jpg

19800 ms

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hoang-trieu-ngoc-diep-t1-1.jpg

15395 ms

collect

collect

137 ms

hoang-trieu-ngoc-diep-t3-1.jpg

hoang-trieu-ngoc-diep-t3-1.jpg

20293 ms

SO%20DO%20TANG%20TRET.jpg

SO%20DO%20TANG%20TRET.jpg

17999 ms

SO%20DO%20TONG%20QUAN.jpg

SO%20DO%20TONG%20QUAN.jpg

15941 ms

logoWB.jpg

logoWB.jpg

16585 ms

doanhnhan.jpg

doanhnhan.jpg

20078 ms

hanche.jpg

hanche.jpg

20069 ms

LogoCIP.jpg

LogoCIP.jpg

17291 ms

tap_san_tv.gif

tap_san_tv.gif

17295 ms

nongthonmoi.jpg

nongthonmoi.jpg

17739 ms

net_ve_xanh.gif

net_ve_xanh.gif

16913 ms

TRANG%20BIA_phankhoi.jpg

TRANG%20BIA_phankhoi.jpg

18016 ms

bia%20CMT8.png

bia%20CMT8.png

17778 ms

Bia.jpg

Bia.jpg

20213 ms

BOTIEUDECHUANDE.jpg

BOTIEUDECHUANDE.jpg

17057 ms

thu%20muc%2040%20nam.jpg

thu%20muc%2040%20nam.jpg

18246 ms

tongmucluc.jpg

tongmucluc.jpg

16224 ms

mlimage.2005-10-26%202.jpg

mlimage.2005-10-26%202.jpg

15126 ms

wordbank.jpg

wordbank.jpg

19943 ms

pqlogo.jpg

pqlogo.jpg

15250 ms

logo_force.gif

logo_force.gif

14534 ms

Logo%20S-HUB1.jpg

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15207 ms

ThuVien2.gif

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14042 ms

ebookbooks.gif

ebookbooks.gif

20320 ms

BOTIEUDECHUANDE1.jpg

BOTIEUDECHUANDE1.jpg

14524 ms

the1.gif

the1.gif

14408 ms

thamdoykien1.gif

thamdoykien1.gif

16209 ms

noi-tiep-ban-doc.gif

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14309 ms

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14456 ms

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load-indicator.gif

13013 ms

previous.png

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13100 ms

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10420 ms

arrow.png

arrow.png

10669 ms

undefined

undefined

10475 ms

icon-arrow.png

icon-arrow.png

9069 ms

next.png

next.png

8252 ms

pre.png

pre.png

6835 ms

apple-middle.png

apple-middle.png

7156 ms

top.ico

top.ico

7175 ms

Accessibility Review

gslhcm.org.vn accessibility score

79

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

gslhcm.org.vn best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

gslhcm.org.vn SEO score

83

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gslhcm.org.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Gslhcm.org.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

gslhcm.org.vn

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