Tools & Wizards About Us
trungtamsimso.vn screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

trungtamsimso.vn

trungtamsimso.vn

Page Load Speed

6.5 sec in total

First Response

1.6 sec

Resources Loaded

4.5 sec

Page Rendered

378 ms

trungtamsimso.vn screenshot

About Website

Click here to check amazing Trungtamsimso content. Otherwise, check out these important facts you probably never knew about trungtamsimso.vn

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Key Findings

We analyzed Trungtamsimso.vn page load time and found that the first response time was 1.6 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

trungtamsimso.vn performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value15.4 s

1/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

trungtamsimso.vn

1591 ms

style.css

536 ms

stv2.css

538 ms

menu_style.css

537 ms

stylesmenu.css

540 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Trungtamsimso.vn, 2% (1 request) were made to Opi.yahoo.com and 2% (1 request) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Trungtamsimso.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.6 kB (77%)

Content Size

367.9 kB

After Optimization

85.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Trungtamsimso.vn main page is 367.9 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. 30% of websites need less resources to load. HTML takes 195.0 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 174.8 kB

  • Original 195.0 kB
  • After minification 180.2 kB
  • After compression 20.1 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. 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 174.8 kB or 90% of the original size.

Image Optimization

-7%

Potential reduce by 1.6 kB

  • Original 21.6 kB
  • After minification 20.0 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. Trungtamsimso images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 82.1 kB

  • Original 121.3 kB
  • After minification 111.8 kB
  • After compression 39.2 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 82.1 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 24.0 kB

  • Original 30.0 kB
  • After minification 24.9 kB
  • After compression 5.9 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. Trungtamsimso.vn needs all CSS files to be minified and compressed as it can save up to 24.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (61%)

Requests Now

41

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trungtamsimso. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

trungtamsimso.vn

trungtamsimso.vn

1591 ms

style.css

style.css

536 ms

stv2.css

stv2.css

538 ms

menu_style.css

menu_style.css

537 ms

stylesmenu.css

stylesmenu.css

540 ms

colorbox.css

colorbox.css

541 ms

lytebox.css

lytebox.css

540 ms

jquery-1.5.1.min.js

jquery-1.5.1.min.js

1079 ms

jquery.colorbox.js

jquery.colorbox.js

803 ms

jquery.scroll.pack.js

jquery.scroll.pack.js

805 ms

jquery.easing.js

jquery.easing.js

806 ms

aindex.php

aindex.php

884 ms

ajax.js

ajax.js

806 ms

stv.js

stv.js

1070 ms

fb.js

fb.js

811 ms

online

online

91 ms

body_bg_top.png

body_bg_top.png

271 ms

s1.png

s1.png

270 ms

hotlines.gif

hotlines.gif

272 ms

CaptchaSecurityImages.php

CaptchaSecurityImages.php

306 ms

banner.jpg

banner.jpg

1360 ms

m1.png

m1.png

287 ms

m0.gif

m0.gif

527 ms

bg_menu.png

bg_menu.png

529 ms

bg_menu_c.png

bg_menu_c.png

528 ms

bg_menu_b.png

bg_menu_b.png

554 ms

bgtrangden.gif

bgtrangden.gif

562 ms

gbdentrang.gif

gbdentrang.gif

795 ms

aindex.php

aindex.php

895 ms

aindex.php

aindex.php

837 ms

bg_main.png

bg_main.png

745 ms

box_h3.png

box_h3.png

754 ms

bg_main_c.png

bg_main_c.png

986 ms

bg_main_b.png

bg_main_b.png

1012 ms

tdtop_bg.png

tdtop_bg.png

1022 ms

logo_vinaphone.png

logo_vinaphone.png

1052 ms

log_viettel.png

log_viettel.png

1107 ms

logo_mayban.png

logo_mayban.png

1255 ms

logo_beline.png

logo_beline.png

1283 ms

logo_mobifone.png

logo_mobifone.png

1289 ms

logo_vietnamobi.png

logo_vietnamobi.png

1319 ms

vuong.png

vuong.png

1376 ms

footer.gif

footer.gif

1523 ms

totop.png

totop.png

1997 ms

fbevents.js

fbevents.js

137 ms

32 ms

Accessibility Review

trungtamsimso.vn accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

trungtamsimso.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

trungtamsimso.vn SEO score

92

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

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 Trungtamsimso.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 Trungtamsimso.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

trungtamsimso.vn

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