Tools & Wizards About Us
simdienthoaidep.vn screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

simdienthoaidep.vn

Mua Online SIM SỐ ĐẸP - Uy Tín Giá Rẻ Nhất - simdienthoaidep.vn

Page Load Speed

8.3 sec in total

First Response

1.1 sec

Resources Loaded

4.5 sec

Page Rendered

2.7 sec

simdienthoaidep.vn screenshot

About Website

Welcome to simdienthoaidep.vn homepage info - get ready to check SIM Dienthoaidep best content right away, or after learning these important things about simdienthoaidep.vn

Danh Sách Sim Số Đẹp giá tốt Đủ các dạng sim số đẹp Vinaphone, Viettel, Mobi, iTel chỉ từ 399k tại SimDienThoaiDep Giao sim Miễn Phí

Visit simdienthoaidep.vn

Key Findings

We analyzed Simdienthoaidep.vn page load time and found that the first response time was 1.1 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

simdienthoaidep.vn performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

simdienthoaidep.vn

1124 ms

simdienthoaidep.vn

1070 ms

app.css

271 ms

app.js

695 ms

icon-search.png

806 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Simdienthoaidep.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Simdienthoaidep.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.3 kB (78%)

Content Size

80.1 kB

After Optimization

17.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Simdienthoaidep.vn main page is 80.1 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. HTML takes 68.7 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 62.1 kB

  • Original 68.7 kB
  • After minification 59.9 kB
  • After compression 6.7 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 8.9 kB, which is 13% 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 62.1 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 147 B

  • Original 3.5 kB
  • After minification 3.4 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 Dienthoaidep images are well optimized though.

CSS Optimization

-0%

Potential reduce by 28 B

  • Original 7.8 kB
  • After minification 7.8 kB
  • After compression 7.8 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. Simdienthoaidep.vn has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SIM Dienthoaidep. According to our analytics all requests are already optimized.

Network Requests Diagram

simdienthoaidep.vn

simdienthoaidep.vn

1124 ms

simdienthoaidep.vn

simdienthoaidep.vn

1070 ms

app.css

app.css

271 ms

app.js

app.js

695 ms

icon-search.png

icon-search.png

806 ms

mang-viettel.png

mang-viettel.png

843 ms

mang-vinaphone.png

mang-vinaphone.png

841 ms

mang-mobifone.png

mang-mobifone.png

818 ms

Roboto-Bold.ttf

Roboto-Bold.ttf

1587 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

924 ms

Roboto-Light.ttf

Roboto-Light.ttf

1271 ms

Accessibility Review

simdienthoaidep.vn accessibility score

53

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

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

simdienthoaidep.vn best practices score

92

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

simdienthoaidep.vn SEO score

93

Search Engine Optimization Advices

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

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 Simdienthoaidep.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 Simdienthoaidep.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

simdienthoaidep.vn

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