Tools & Wizards About Us
simthanhcong.net screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

simthanhcong.net

Sim Số Đẹp Thành Công - Tổng Kho Sim Đẹp giá rẻ Số 1 Việt Nam

Page Load Speed

4.4 sec in total

First Response

661 ms

Resources Loaded

3.2 sec

Page Rendered

608 ms

simthanhcong.net screenshot

About Website

Click here to check amazing Sim Thanhcong content for Vietnam. Otherwise, check out these important facts you probably never knew about simthanhcong.net

Sim Số Đẹp Thành Công là Kho sim số 1 Việt Nam về các dịch vụ sim số đẹp giá rẻ. Tự hào là đối tác tin cậy của nhà mạng Viettel, MobiFone, VinaPhone, Vietnamobile, khẳng định uy tín với 64 điểm giao d...

Visit simthanhcong.net

Key Findings

We analyzed Simthanhcong.net page load time and found that the first response time was 661 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

simthanhcong.net performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

simthanhcong.net

661 ms

bootstrap.min.css

836 ms

desktop.css

52 ms

stylenew.css

65 ms

font-awesome.min.css

41 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 97% of them (33 requests) were addressed to the original Simthanhcong.net, 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Simthanhcong.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.0 kB (11%)

Content Size

468.6 kB

After Optimization

418.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Simthanhcong.net main page is 468.6 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. 20% of websites need less resources to load. Images take 320.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 40.1 kB

  • Original 49.7 kB
  • After minification 49.7 kB
  • After compression 9.6 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 40.1 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 8.6 kB

  • Original 320.7 kB
  • After minification 312.1 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. Sim Thanhcong images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 458 B

  • Original 64.7 kB
  • After minification 64.7 kB
  • After compression 64.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 782 B

  • Original 33.5 kB
  • After minification 33.5 kB
  • After compression 32.7 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. Simthanhcong.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (30%)

Requests Now

33

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sim Thanhcong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

simthanhcong.net

simthanhcong.net

661 ms

bootstrap.min.css

bootstrap.min.css

836 ms

desktop.css

desktop.css

52 ms

stylenew.css

stylenew.css

65 ms

font-awesome.min.css

font-awesome.min.css

41 ms

jquery.min.js

jquery.min.js

43 ms

search.js

search.js

45 ms

dkloc.js

dkloc.js

52 ms

bootstrap.min.js

bootstrap.min.js

58 ms

function.js

function.js

569 ms

pagination.js

pagination.js

61 ms

email-decode.min.js

email-decode.min.js

53 ms

gtm.js

gtm.js

125 ms

bannerkhongphantram.jpg

bannerkhongphantram.jpg

57 ms

right.jpg

right.jpg

1508 ms

bg_header.png

bg_header.png

573 ms

logo_desktop.png

logo_desktop.png

605 ms

icon1.png

icon1.png

570 ms

icon2.png

icon2.png

54 ms

icon3.png

icon3.png

64 ms

icon4.png

icon4.png

71 ms

bg_aside_title.png

bg_aside_title.png

592 ms

hoa_thi.png

hoa_thi.png

603 ms

icon_search_aside.png

icon_search_aside.png

1076 ms

bg_content_title.png

bg_content_title.png

1085 ms

icon_search_content.png

icon_search_content.png

1114 ms

bg_content_sim.png

bg_content_sim.png

1145 ms

mang_1.png

mang_1.png

620 ms

mang_2.png

mang_2.png

631 ms

icon_phone_aside.png

icon_phone_aside.png

1140 ms

icon_zalo_aside.png

icon_zalo_aside.png

1598 ms

icon_facebook_aside.png

icon_facebook_aside.png

1606 ms

ellipse.png

ellipse.png

1631 ms

logo_footer_1.png

logo_footer_1.png

1151 ms

Accessibility Review

simthanhcong.net accessibility score

71

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

Form elements do not have associated labels

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

simthanhcong.net 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

High

Page has valid source maps

SEO Factors

simthanhcong.net SEO score

78

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

High

robots.txt is not valid

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 Simthanhcong.net 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 Simthanhcong.net 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

simthanhcong.net

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