Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

thegioisimvip.vn

Sim So Dep - Mua Sim Số Đẹp Giá Rẻ Hơn Tại TheGioiSimVip.Vn

Page Load Speed

4 sec in total

First Response

27 ms

Resources Loaded

3.3 sec

Page Rendered

716 ms

thegioisimvip.vn screenshot

About Website

Click here to check amazing The Gioi Sim Vip content for Vietnam. Otherwise, check out these important facts you probably never knew about thegioisimvip.vn

Địa Chỉ Mua Sim Số Đẹp Giá Cực Rẻ, Uy Tín Cao. Cam Kết: Đăng Ký Chính Chủ, Giao Sim Miễn Phí Toàn Quốc, Nhận Sim Mới Thu Tiền. Kho Sim So Dep Cực Lớn Với Hơn 50 Triệu Giúp Bạn Chọn Sim Thỏa Sức.

Visit thegioisimvip.vn

Key Findings

We analyzed Thegioisimvip.vn page load time and found that the first response time was 27 ms and then it took 4 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

thegioisimvip.vn performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value21.5 s

0/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

thegioisimvip.vn

27 ms

thegioisimvip.vn

985 ms

font-awesome.min.css

32 ms

bootstrap.min.css

42 ms

all.css

1149 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 81% of them (26 requests) were addressed to the original Thegioisimvip.vn, 6% (2 requests) were made to Stackpath.bootstrapcdn.com and 6% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Thegioisimvip.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 289.6 kB (43%)

Content Size

669.5 kB

After Optimization

379.8 kB

In fact, the total size of Thegioisimvip.vn main page is 669.5 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. 35% of websites need less resources to load. HTML takes 297.7 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 271.1 kB

  • Original 297.7 kB
  • After minification 169.9 kB
  • After compression 26.6 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. This page needs HTML code to be minified as it can gain 127.8 kB, which is 43% 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 271.1 kB or 91% of the original size.

Image Optimization

-12%

Potential reduce by 16.3 kB

  • Original 136.7 kB
  • After minification 120.4 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. Obviously, The Gioi Sim Vip needs image optimization as it can save up to 16.3 kB or 12% 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 256 B

  • Original 183.2 kB
  • After minification 183.2 kB
  • After compression 182.9 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.

CSS Optimization

-4%

Potential reduce by 1.9 kB

  • Original 51.9 kB
  • After minification 51.9 kB
  • After compression 49.9 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. Thegioisimvip.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (45%)

Requests Now

29

After Optimization

16

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Gioi Sim Vip. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

thegioisimvip.vn accessibility score

70

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

thegioisimvip.vn best practices score

67

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

High

Page has valid source maps

SEO Factors

thegioisimvip.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 Thegioisimvip.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 Thegioisimvip.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

Open Graph description is not detected on the main page of The Gioi Sim Vip. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: