Tools & Wizards About Us
cardvip.vn screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% 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

7.8 sec in total

First Response

760 ms

Resources Loaded

6.4 sec

Page Rendered

580 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 760 ms and then it took 7 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

cardvip.vn performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.259

48/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

cardvip.vn

760 ms

css2

39 ms

bootstrap.min.css

2052 ms

bootstrap-flatpickr.min.css

1311 ms

select2.min.css

1560 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 77% of them (37 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 (5.7 sec) belongs to the original domain Cardvip.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (30%)

Content Size

3.5 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cardvip.vn main page is 3.5 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 117.5 kB

  • Original 128.2 kB
  • After minification 56.9 kB
  • After compression 10.8 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 71.4 kB, which is 56% 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 117.5 kB or 92% of the original size.

Image Optimization

-5%

Potential reduce by 120.7 kB

  • Original 2.3 MB
  • After minification 2.2 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 368.2 kB

  • Original 519.9 kB
  • After minification 519.9 kB
  • After compression 151.6 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 368.2 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 453.6 kB

  • Original 540.0 kB
  • After minification 520.6 kB
  • After compression 86.4 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 453.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (47%)

Requests Now

38

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 38 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 12 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

760 ms

css2

css2

39 ms

bootstrap.min.css

bootstrap.min.css

2052 ms

bootstrap-flatpickr.min.css

bootstrap-flatpickr.min.css

1311 ms

select2.min.css

select2.min.css

1560 ms

swiper-bundle.min.css

swiper-bundle.min.css

1308 ms

all.min.css

all.min.css

2114 ms

fancybox.min.css

fancybox.min.css

1059 ms

style.css

style.css

1913 ms

js

js

60 ms

sdk.js

sdk.js

21 ms

jquery.min.js

jquery.min.js

2070 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

1967 ms

bootstrap-flatpickr.js

bootstrap-flatpickr.js

1923 ms

bootstrap-flatpickr-vn.js

bootstrap-flatpickr-vn.js

2219 ms

select2.min.js

select2.min.js

2437 ms

swiper-bundle.min.js

swiper-bundle.min.js

2749 ms

fancybox.min.js

fancybox.min.js

2562 ms

app.js

app.js

2349 ms

cardvip1.png

cardvip1.png

2376 ms

0ijlabm.png

0ijlabm.png

5494 ms

sNjblGz.png

sNjblGz.png

5651 ms

Rl7bork.png

Rl7bork.png

4186 ms

the-viettel.png

the-viettel.png

2944 ms

the-vinaphone.jpeg

the-vinaphone.jpeg

2817 ms

the-mobifone.jpeg

the-mobifone.jpeg

3003 ms

the-vietnamobile.jpeg

the-vietnamobile.jpeg

3081 ms

the-gmobile.jpg

the-gmobile.jpg

3216 ms

the-garena.png

the-garena.png

3255 ms

the-zing.png

the-zing.png

3594 ms

the-vcoin.png

the-vcoin.png

3469 ms

the-gate.png

the-gate.png

3508 ms

phan-mem-diet-virus-kaspersky.jpg

phan-mem-diet-virus-kaspersky.jpg

3777 ms

evn-dien.jpg

evn-dien.jpg

3768 ms

cach-chuyen-tien-timo.png

cach-chuyen-tien-timo.png

4894 ms

thegosu.jpg

thegosu.jpg

4089 ms

xfbml.customerchat.js

xfbml.customerchat.js

22 ms

KFOmCnqEu92Fr1Me5g.woff

KFOmCnqEu92Fr1Me5g.woff

36 ms

KFOlCnqEu92Fr1MmEU9vAA.woff

KFOlCnqEu92Fr1MmEU9vAA.woff

51 ms

KFOlCnqEu92Fr1MmSU5vAA.woff

KFOlCnqEu92Fr1MmSU5vAA.woff

63 ms

KFOlCnqEu92Fr1MmWUlvAA.woff

KFOlCnqEu92Fr1MmWUlvAA.woff

63 ms

KFOlCnqEu92Fr1MmYUtvAA.woff

KFOlCnqEu92Fr1MmYUtvAA.woff

63 ms

fa-solid-900.woff

fa-solid-900.woff

2567 ms

fa-regular-400.woff

fa-regular-400.woff

2431 ms

fa-light-300.woff

fa-light-300.woff

3237 ms

fa-brands-400.woff

fa-brands-400.woff

2720 ms

sdk.js

sdk.js

21 ms

103 ms

Accessibility Review

cardvip.vn accessibility score

79

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

<frame> or <iframe> elements do not have a title

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: