Tools & Wizards About Us
unica.vn screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% 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

  • 85

    SEO

    Google-friendlier than
    55% of websites

unica.vn

Unica - Học online mọi kỹ năng từ chuyên gia hàng đầu

Page Load Speed

11.9 sec in total

First Response

541 ms

Resources Loaded

10 sec

Page Rendered

1.4 sec

unica.vn screenshot

About Website

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

Unica.vn website học online hàng đầu Việt Nam với hơn 500.000 học viên và hơn 2.000 khóa học trực tuyến từ giảng viên, chuyên gia hàng đầu.

Visit unica.vn

Key Findings

We analyzed Unica.vn page load time and found that the first response time was 541 ms and then it took 11.4 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

unica.vn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value7,970 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value30.6 s

0/100

10%

Network Requests Diagram

unica.vn

541 ms

unica.vn

1865 ms

flowbite.min.css

46 ms

inter.css

64 ms

amazonmenu.css

558 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 18% of them (26 requests) were addressed to the original Unica.vn, 50% (73 requests) were made to Static.unica.vn and 7% (10 requests) were made to I.imgur.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source File.unica.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (27%)

Content Size

6.4 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Unica.vn main page is 6.4 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 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 513.0 kB

  • Original 554.3 kB
  • After minification 333.9 kB
  • After compression 41.3 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 220.4 kB, which is 40% 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 513.0 kB or 93% of the original size.

Image Optimization

-22%

Potential reduce by 1.2 MB

  • Original 5.5 MB
  • After minification 4.3 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. Obviously, Unica needs image optimization as it can save up to 1.2 MB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 6.8 kB

  • Original 359.1 kB
  • After minification 359.1 kB
  • After compression 352.3 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

-21%

Potential reduce by 4.9 kB

  • Original 23.3 kB
  • After minification 23.3 kB
  • After compression 18.5 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. Unica.vn needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (29%)

Requests Now

143

After Optimization

101

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Unica. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

unica.vn

unica.vn

541 ms

unica.vn

unica.vn

1865 ms

flowbite.min.css

flowbite.min.css

46 ms

inter.css

inter.css

64 ms

amazonmenu.css

amazonmenu.css

558 ms

style.css

style.css

788 ms

jquery-ui.css

jquery-ui.css

800 ms

font-awesome.css

font-awesome.css

804 ms

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swiper-bundle.min.css

44 ms

aos.css

aos.css

51 ms

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53 ms

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select2.css

837 ms

pagination.css

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836 ms

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51 ms

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1140 ms

tailwind-config.js

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1046 ms

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1329 ms

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60 ms

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24 ms

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837 ms

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1028 ms

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14 ms

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14 ms

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14 ms

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datepicker.min.js

18 ms

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1115 ms

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35 ms

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1084 ms

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Accessibility Review

unica.vn accessibility score

70

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-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

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.

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

unica.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

unica.vn SEO score

85

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 Unica.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 Unica.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

unica.vn

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