Tools & Wizards About Us
adel.vn screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

adel.vn

Khóa vân tay | ADEL Việt Nam

Page Load Speed

10.2 sec in total

First Response

1.5 sec

Resources Loaded

8 sec

Page Rendered

702 ms

adel.vn screenshot

About Website

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

Phân phối ủy quyền của tập đoàn ADEL tại Việt Nam: Khóa vân tay, khóa thẻ khách sạn và két vân tay.

Visit adel.vn

Key Findings

We analyzed Adel.vn page load time and found that the first response time was 1.5 sec and then it took 8.7 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

adel.vn performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

adel.vn

1461 ms

global.css

518 ms

css2

33 ms

jquery-1.11.0.min.js

1026 ms

js_function.js

999 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 91% of them (83 requests) were addressed to the original Adel.vn, 5% (5 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Adel.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 399.8 kB (9%)

Content Size

4.6 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adel.vn main page is 4.6 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 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 42.7 kB

  • Original 53.5 kB
  • After minification 53.3 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. 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 42.7 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 306.5 kB

  • Original 4.4 MB
  • After minification 4.1 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. ADEL images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 21.8 kB

  • Original 90.6 kB
  • After minification 90.6 kB
  • After compression 68.8 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 21.8 kB or 24% of the original size.

CSS Optimization

-36%

Potential reduce by 28.7 kB

  • Original 79.0 kB
  • After minification 79.0 kB
  • After compression 50.2 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. Adel.vn needs all CSS files to be minified and compressed as it can save up to 28.7 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (30%)

Requests Now

81

After Optimization

57

  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ADEL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

adel.vn

adel.vn

1461 ms

global.css

global.css

518 ms

css2

css2

33 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

1026 ms

js_function.js

js_function.js

999 ms

jquery.modal.min.js

jquery.modal.min.js

1008 ms

jquery.modal.css

jquery.modal.css

1015 ms

util.carousel.css

util.carousel.css

1043 ms

util.carousel.skins.css

util.carousel.skins.css

1045 ms

jquery.utilcarousel.min.js

jquery.utilcarousel.min.js

1498 ms

alertify.min.js

alertify.min.js

1256 ms

alertify.core.css

alertify.core.css

1263 ms

alertify.default.css

alertify.default.css

1274 ms

js

js

73 ms

jquery.royalslider.min.js

jquery.royalslider.min.js

1552 ms

royalslider.css

royalslider.css

1298 ms

rs-minimal-white.css

rs-minimal-white.css

1505 ms

jquery.pwstabs.js

jquery.pwstabs.js

1513 ms

jquery.pwstabs.css

jquery.pwstabs.css

1524 ms

all.css

all.css

1054 ms

font-awesome.min.css

font-awesome.min.css

1232 ms

css

css

18 ms

bg202082519718.gif

bg202082519718.gif

249 ms

logo202119143545.jpg

logo202119143545.jpg

497 ms

icon_list.png

icon_list.png

253 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

992 ms

fa-solid-900.woff

fa-solid-900.woff

759 ms

fa-regular-400.woff

fa-regular-400.woff

249 ms

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banner89v2021113111240.jpg

1677 ms

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pixel11.png

456 ms

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1001 ms

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941 ms

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707 ms

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961 ms

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1012 ms

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1661 ms

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1964 ms

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2409 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

19 ms

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28 ms

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46 ms

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54 ms

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54 ms

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util-fontello.svg

2312 ms

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2381 ms

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1980 ms

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2105 ms

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1934 ms

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1683 ms

Accessibility Review

adel.vn accessibility score

69

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

adel.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

adel.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

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

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 Adel.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 Adel.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

adel.vn

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