Tools & Wizards About Us
cardvip.vn screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cardvip.vn

Mua bán thẻ điện thoại, thẻ game, nạp tiền topup

Page Load Speed

16.9 sec in total

First Response

1 sec

Resources Loaded

15.2 sec

Page Rendered

603 ms

cardvip.vn screenshot

About Website

Visit cardvip.vn now to see the best up-to-date Cardvip content for Vietnam and also check out these interesting facts you probably never knew about cardvip.vn

Đại lý thẻ điện thoại Viettel, Vinaphone, Mobifone, thẻ game online Pubg, zing, Vcoin, Gate, Carot, Garena, Võ lâm, liên quân mobile.

Visit cardvip.vn

Key Findings

We analyzed Cardvip.vn page load time and found that the first response time was 1 sec and then it took 15.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cardvip.vn performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value19.4 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.238

52/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

cardvip.vn

1034 ms

css2

51 ms

bootstrap.min.css

2089 ms

bootstrap-flatpickr.min.css

1337 ms

select2.min.css

1603 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 79% of them (38 requests) were addressed to the original Cardvip.vn, 10% (5 requests) were made to Fonts.gstatic.com and 6% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (10.2 sec) belongs to the original domain Cardvip.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (32%)

Content Size

3.7 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cardvip.vn main page is 3.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 142.9 kB

  • Original 154.7 kB
  • After minification 63.4 kB
  • After compression 11.8 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 91.3 kB, which is 59% 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 142.9 kB or 92% of the original size.

Image Optimization

-5%

Potential reduce by 124.0 kB

  • Original 2.4 MB
  • After minification 2.3 MB

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. Cardvip images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 368.6 kB

  • Original 520.5 kB
  • After minification 520.5 kB
  • After compression 151.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 368.6 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 519.0 kB

  • Original 610.3 kB
  • After minification 561.9 kB
  • After compression 91.3 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. Cardvip.vn needs all CSS files to be minified and compressed as it can save up to 519.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (46%)

Requests Now

37

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cardvip. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cardvip.vn

cardvip.vn

1034 ms

css2

css2

51 ms

bootstrap.min.css

bootstrap.min.css

2089 ms

bootstrap-flatpickr.min.css

bootstrap-flatpickr.min.css

1337 ms

select2.min.css

select2.min.css

1603 ms

swiper-bundle.min.css

swiper-bundle.min.css

1345 ms

all.min.css

all.min.css

2176 ms

fancybox.min.css

fancybox.min.css

1644 ms

style.css

style.css

4150 ms

js

js

46 ms

sdk.js

sdk.js

28 ms

jquery.min.js

jquery.min.js

2193 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

2504 ms

bootstrap-flatpickr.js

bootstrap-flatpickr.js

2215 ms

bootstrap-flatpickr-vn.js

bootstrap-flatpickr-vn.js

2338 ms

select2.min.js

select2.min.js

2507 ms

swiper-bundle.min.js

swiper-bundle.min.js

2734 ms

fancybox.min.js

fancybox.min.js

2787 ms

app.js

app.js

2620 ms

cardvip1.png

cardvip1.png

3821 ms

0ijlabm.png

0ijlabm.png

3402 ms

sNjblGz.png

sNjblGz.png

3535 ms

Rl7bork.png

Rl7bork.png

3308 ms

the-viettel.png

the-viettel.png

3422 ms

the-vinaphone.png

the-vinaphone.png

3570 ms

the-mobifone.jpeg

the-mobifone.jpeg

3664 ms

the-vietnamobile.jpeg

the-vietnamobile.jpeg

3693 ms

the-gmobile.jpg

the-gmobile.jpg

3794 ms

the-garena.png

the-garena.png

3830 ms

the-zing.png

the-zing.png

3936 ms

the-vcoin.png

the-vcoin.png

3958 ms

the-gate.png

the-gate.png

4051 ms

phan-mem-diet-virus-kaspersky.jpg

phan-mem-diet-virus-kaspersky.jpg

4450 ms

evn-dien.jpg

evn-dien.jpg

4088 ms

cach-chuyen-tien-timo.png

cach-chuyen-tien-timo.png

4242 ms

thegosu.jpg

thegosu.jpg

5784 ms

thecarot.jpg

thecarot.jpg

4365 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

66 ms

KFOlCnqEu92Fr1MmEU9vAw.ttf

KFOlCnqEu92Fr1MmEU9vAw.ttf

114 ms

KFOlCnqEu92Fr1MmSU5vAw.ttf

KFOlCnqEu92Fr1MmSU5vAw.ttf

142 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

123 ms

KFOlCnqEu92Fr1MmYUtvAw.ttf

KFOlCnqEu92Fr1MmYUtvAw.ttf

141 ms

fa-solid-900.woff

fa-solid-900.woff

10162 ms

fa-regular-400.woff

fa-regular-400.woff

1304 ms

fa-light-300.woff

fa-light-300.woff

541 ms

fa-brands-400.woff

fa-brands-400.woff

2119 ms

xfbml.customerchat.js

xfbml.customerchat.js

39 ms

sdk.js

sdk.js

21 ms

Accessibility Review

cardvip.vn accessibility score

80

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

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.

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

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

cardvip.vn best practices score

83

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

High

Browser errors were logged to the console

SEO Factors

cardvip.vn SEO score

86

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

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 Cardvip.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 Cardvip.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

cardvip.vn

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