Tools & Wizards About Us
simdephaiduong.vn screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

simdephaiduong.vn

Tổng kho sim số đẹp Viettel, Mobifone, Vinaphone, Vietnamobile, Gmobile giá gốc - Simdephaiduong.vn

Page Load Speed

7.1 sec in total

First Response

2 sec

Resources Loaded

3 sec

Page Rendered

2 sec

simdephaiduong.vn screenshot

About Website

Click here to check amazing Simdephaiduong content for Vietnam. Otherwise, check out these important facts you probably never knew about simdephaiduong.vn

Simdephaiduong.vn - Kho 20 Triệu sim số đẹp giá gốc thuộc nhà mạng Viettel, Mobifone, Vinaphone, Vietnamobile, Gmobile, hệ thống bán sim số đẹp lớn nhất Hải Dương. Giao sim miễn phí tại nhà, đăng ký t...

Visit simdephaiduong.vn

Key Findings

We analyzed Simdephaiduong.vn page load time and found that the first response time was 2 sec 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

simdephaiduong.vn performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value2,240 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

simdephaiduong.vn

1991 ms

js

275 ms

simdephd.png

438 ms

simd%E1%BA%B9phdmbi.png

585 ms

Call%20mobile.png

1050 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 75% of them (9 requests) were addressed to the original Simdephaiduong.vn, 17% (2 requests) were made to Google-analytics.com and 8% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Simdephaiduong.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.0 kB (51%)

Content Size

225.2 kB

After Optimization

111.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Simdephaiduong.vn main page is 225.2 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 158.1 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 111.8 kB

  • Original 158.1 kB
  • After minification 158.1 kB
  • After compression 46.3 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 111.8 kB or 71% of the original size.

Image Optimization

-5%

Potential reduce by 2.2 kB

  • Original 46.1 kB
  • After minification 43.9 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. Simdephaiduong images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • AJAX
  • Images
  • JavaScript

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Simdephaiduong. According to our analytics all requests are already optimized.

Network Requests Diagram

simdephaiduong.vn

simdephaiduong.vn

1991 ms

js

js

275 ms

simdephd.png

simdephd.png

438 ms

simd%E1%BA%B9phdmbi.png

simd%E1%BA%B9phdmbi.png

585 ms

Call%20mobile.png

Call%20mobile.png

1050 ms

menu_sp.gif

menu_sp.gif

585 ms

new2.gif

new2.gif

587 ms

filter-loader.gif

filter-loader.gif

585 ms

spritestlvn.png

spritestlvn.png

701 ms

phone0.png

phone0.png

677 ms

analytics.js

analytics.js

23 ms

collect

collect

23 ms

Accessibility Review

simdephaiduong.vn accessibility score

71

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

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

simdephaiduong.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

simdephaiduong.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

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

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

simdephaiduong.vn

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