Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

mavang.vn

Dịch vụ mạ vàng và chế tác quà tặng cao cấp mạ vàng Karalux

Page Load Speed

8 sec in total

First Response

1 sec

Resources Loaded

6.6 sec

Page Rendered

316 ms

mavang.vn screenshot

About Website

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

Karalux là thương hiệu mạ vàng điện thoại, ô tô, đồng hồ và chế tác quà tặng cao cấp mạ vàng hàng đầu Việt Nam với gần 10 năm phát triển.

Visit mavang.vn

Key Findings

We analyzed Mavang.vn page load time and found that the first response time was 1 sec and then it took 6.9 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

mavang.vn performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value1,490 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

mavang.vn

1033 ms

mavang.vn

1228 ms

a5ff7.css

243 ms

5a01d.css

485 ms

3c483.css

1205 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 89% of them (59 requests) were addressed to the original Mavang.vn, 5% (3 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Images.dmca.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Mavang.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 116.2 kB (8%)

Content Size

1.4 MB

After Optimization

1.3 MB

In fact, the total size of Mavang.vn main page is 1.4 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. 60% of websites need less resources to load. Images take 644.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 94.9 kB

  • Original 123.9 kB
  • After minification 123.9 kB
  • After compression 29.0 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 94.9 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 20.3 kB

  • Original 644.0 kB
  • After minification 623.6 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. Mavang images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 349 B

  • Original 515.4 kB
  • After minification 515.3 kB
  • After compression 515.1 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

-1%

Potential reduce by 628 B

  • Original 114.8 kB
  • After minification 114.8 kB
  • After compression 114.1 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. Mavang.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (51%)

Requests Now

61

After Optimization

30

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mavang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mavang.vn accessibility score

88

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

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

mavang.vn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

mavang.vn SEO score

92

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

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