Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

nik.vn

NikGroup – Tập đoàn đa lĩnh vực

Page Load Speed

10.4 sec in total

First Response

1.4 sec

Resources Loaded

7.7 sec

Page Rendered

1.3 sec

nik.vn screenshot

About Website

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

NIK - Nghĩ Khác Talkshow. Super Seminar của Nghikhac.com Diễn giả VIP & Chia sẻ thông tin các dự án đầu tư.  Nơi cơ hội gặp dòng tiền.

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Key Findings

We analyzed Nik.vn page load time and found that the first response time was 1.4 sec and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

nik.vn performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value35.8 s

0/100

25%

SI (Speed Index)

Value24.9 s

0/100

10%

TBT (Total Blocking Time)

Value750 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value33.6 s

0/100

10%

Network Requests Diagram

nik-2015-176

1437 ms

Site.css

1002 ms

form-style.css

505 ms

colorbox.css

509 ms

jquery-1.8.0.min.js

1300 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Nik.vn, 14% (22 requests) were made to Lh4.googleusercontent.com and 14% (21 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Nghikhac.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (30%)

Content Size

5.4 MB

After Optimization

3.8 MB

In fact, the total size of Nik.vn main page is 5.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 67.6 kB

  • Original 88.0 kB
  • After minification 80.2 kB
  • After compression 20.4 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 67.6 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 184.0 kB

  • Original 3.5 MB
  • After minification 3.3 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. Nik images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 1.1 MB

  • Original 1.5 MB
  • After minification 1.2 MB
  • After compression 373.4 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 1.1 MB or 75% of the original size.

CSS Optimization

-82%

Potential reduce by 241.6 kB

  • Original 293.3 kB
  • After minification 283.4 kB
  • After compression 51.7 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. Nik.vn needs all CSS files to be minified and compressed as it can save up to 241.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (37%)

Requests Now

150

After Optimization

95

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nik.vn accessibility score

73

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

High

Some elements have a [tabindex] value greater than 0

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

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

nik.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nik.vn SEO score

91

Search Engine Optimization Advices

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 Nik.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 Nik.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 Nik. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: