Tools & Wizards About Us
sim3g.info.vn screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

sim3g.info.vn

Sim3G.INFO.VN Cung cấp Sim 3G 4G dùng mạng trọn gói 1 năm giá rẻ

Page Load Speed

6 sec in total

First Response

856 ms

Resources Loaded

4.7 sec

Page Rendered

407 ms

sim3g.info.vn screenshot

About Website

Visit sim3g.info.vn now to see the best up-to-date Sim 3G content for Vietnam and also check out these interesting facts you probably never knew about sim3g.info.vn

Sim3G.INFO.VN Chuyên bán Dcom 3G đa mạng giá rẻ nhất ✅ hàng chính hãng. Mua dcom 3g tốc độ cao dùng các sim, giao và cài đặt tận nơi miễn phí LH 0988.424544

Visit sim3g.info.vn

Key Findings

We analyzed Sim3g.info.vn page load time and found that the first response time was 856 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sim3g.info.vn performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

71/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

sim3g.info.vn

856 ms

sim3g.info.vn

1587 ms

sim3g.css

861 ms

logo.png

1409 ms

chao-he.jpg

1452 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Sim3g.info.vn, 3% (1 request) were made to Obc.vn and 3% (1 request) were made to Duchuymobile.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Sim3g.info.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.6 kB (32%)

Content Size

389.9 kB

After Optimization

265.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sim3g.info.vn main page is 389.9 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. Only 10% of websites need less resources to load. Javascripts take 121.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 86.8 kB

  • Original 96.6 kB
  • After minification 69.5 kB
  • After compression 9.8 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 27.1 kB, which is 28% 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 86.8 kB or 90% of the original size.

Image Optimization

-36%

Potential reduce by 37.5 kB

  • Original 103.5 kB
  • After minification 66.1 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. Obviously, Sim 3G needs image optimization as it can save up to 37.5 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 181 B

  • Original 121.5 kB
  • After minification 121.5 kB
  • After compression 121.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 181 B

  • Original 68.2 kB
  • After minification 68.2 kB
  • After compression 68.1 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. Sim3g.info.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (20%)

Requests Now

25

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sim 3G. 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 as a result speed up the page load time.

Network Requests Diagram

sim3g.info.vn

sim3g.info.vn

856 ms

sim3g.info.vn

sim3g.info.vn

1587 ms

sim3g.css

sim3g.css

861 ms

logo.png

logo.png

1409 ms

chao-he.jpg

chao-he.jpg

1452 ms

no-image.jpg

no-image.jpg

944 ms

fix_jquery.min.js

fix_jquery.min.js

1087 ms

fix_core.js

fix_core.js

1154 ms

fix_jquery-ui.custom.min.js

fix_jquery-ui.custom.min.js

877 ms

fix_jquery.appear-1.1.1.js

fix_jquery.appear-1.1.1.js

907 ms

fix_scrollspy.js

fix_scrollspy.js

1153 ms

fix_owl.carousel.min.js

fix_owl.carousel.min.js

1195 ms

flash.png

flash.png

1613 ms

ajax_loader.svg

ajax_loader.svg

752 ms

icon_nhan_sam.png

icon_nhan_sam.png

738 ms

icon_new_duchuy.svg

icon_new_duchuy.svg

824 ms

list_icon.svg

list_icon.svg

830 ms

giao_hang.png

giao_hang.png

1649 ms

tra_gop.png

tra_gop.png

1548 ms

trai_nghiem.png

trai_nghiem.png

1012 ms

doi_1_1.png

doi_1_1.png

1045 ms

ho_tro.png

ho_tro.png

1107 ms

icon1.png

icon1.png

1111 ms

tiktok.png

tiktok.png

1283 ms

glyphs.woff

glyphs.woff

1281 ms

unitheme.ttf

unitheme.ttf

1338 ms

widget_icon_click_to_call.svg

widget_icon_click_to_call.svg

823 ms

widget_icon_zalo.svg

widget_icon_zalo.svg

977 ms

widget_icon_messenger.svg

widget_icon_messenger.svg

1041 ms

Accessibility Review

sim3g.info.vn accessibility score

65

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.

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

Links do not have a discernible name

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

sim3g.info.vn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sim3g.info.vn SEO score

84

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 Sim3g.info.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 Sim3g.info.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

sim3g.info.vn

Open Graph data is detected on the main page of Sim 3G. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: