Tools & Wizards About Us
simviettel.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

simviettel.com

SimViettel.com - Kho sim viettel sim số đẹp

Page Load Speed

3.2 sec in total

First Response

46 ms

Resources Loaded

2.9 sec

Page Rendered

234 ms

simviettel.com screenshot

About Website

Welcome to simviettel.com homepage info - get ready to check Sim Viettel best content for Vietnam right away, or after learning these important things about simviettel.com

Đại lý chuyên cung cấp sim số đẹp, sim vip, sim 10 số các nhà mạng giá rẻ. Giao sim miễn phí tận nơi trên toàn quốc!

Visit simviettel.com

Key Findings

We analyzed Simviettel.com page load time and found that the first response time was 46 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

simviettel.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.46

19/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

simviettel.com

46 ms

simviettel.com

638 ms

jquery.min.js

27 ms

style.css

542 ms

app.js

590 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 77% of them (23 requests) were addressed to the original Simviettel.com, 7% (2 requests) were made to Googletagmanager.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Simviettel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.2 kB (31%)

Content Size

231.7 kB

After Optimization

159.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Simviettel.com main page is 231.7 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. 15% of websites need less resources to load. Images take 151.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 43.0 kB

  • Original 51.6 kB
  • After minification 51.2 kB
  • After compression 8.5 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 43.0 kB or 83% of the original size.

Image Optimization

-18%

Potential reduce by 27.9 kB

  • Original 151.0 kB
  • After minification 123.1 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 Viettel needs image optimization as it can save up to 27.9 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 407 B

  • Original 22.6 kB
  • After minification 22.6 kB
  • After compression 22.2 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

-13%

Potential reduce by 853 B

  • Original 6.6 kB
  • After minification 6.6 kB
  • After compression 5.7 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. Simviettel.com needs all CSS files to be minified and compressed as it can save up to 853 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (46%)

Requests Now

28

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sim Viettel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

simviettel.com

simviettel.com

46 ms

simviettel.com

simviettel.com

638 ms

jquery.min.js

jquery.min.js

27 ms

style.css

style.css

542 ms

app.js

app.js

590 ms

gtm.js

gtm.js

93 ms

logo-min.png

logo-min.png

42 ms

menu-small.png

menu-small.png

577 ms

vt1.jpg

vt1.jpg

1138 ms

icon-search.png

icon-search.png

595 ms

mang-viettel.png

mang-viettel.png

561 ms

right-arrow.png

right-arrow.png

552 ms

hotline.gif

hotline.gif

50 ms

li-a-simcard.png

li-a-simcard.png

61 ms

sim-viettel-v90-plus-1.png

sim-viettel-v90-plus-1.png

69 ms

sim-viettel-8888-1.jpg

sim-viettel-8888-1.jpg

95 ms

sim-viettel-888-2.png

sim-viettel-888-2.png

95 ms

sim-viettel-999-1.jpg

sim-viettel-999-1.jpg

106 ms

sim-viettel-9999-1.jpg

sim-viettel-9999-1.jpg

107 ms

sec_20_img_01.png

sec_20_img_01.png

112 ms

sec_20_img_02.png

sec_20_img_02.png

121 ms

sec_20_img_03.png

sec_20_img_03.png

137 ms

iczalo.png

iczalo.png

139 ms

icphone.png

icphone.png

147 ms

analytics.js

analytics.js

18 ms

collect

collect

14 ms

collect

collect

31 ms

js

js

51 ms

ga-audiences

ga-audiences

82 ms

responsive.css

responsive.css

553 ms

Accessibility Review

simviettel.com accessibility score

89

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.

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

simviettel.com 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

simviettel.com SEO score

100

Search Engine Optimization Advices

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Simviettel.com 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 Simviettel.com 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

simviettel.com

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