Tools & Wizards About Us
adel.vn screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    20% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    61% of websites

adel.vn

Khóa vân tay | ADEL Việt Nam

Page Load Speed

10.3 sec in total

First Response

1.4 sec

Resources Loaded

8.1 sec

Page Rendered

761 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 1.4 sec and then it took 8.9 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

adel.vn performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value19.1 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value3,860 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.415

23/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

adel.vn

1418 ms

global.css

479 ms

css2

32 ms

jquery-1.11.0.min.js

957 ms

js_function.js

964 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 84% of them (80 requests) were addressed to the original Adel.vn, 3% (3 requests) were made to Google.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Adel.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 356.6 kB (8%)

Content Size

4.4 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adel.vn main page is 4.4 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. 70% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 41.7 kB

  • Original 53.1 kB
  • After minification 52.9 kB
  • After compression 11.4 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 41.7 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 295.8 kB

  • Original 4.1 MB
  • After minification 3.8 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

-8%

Potential reduce by 9.5 kB

  • Original 117.1 kB
  • After minification 117.1 kB
  • After compression 107.5 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

-16%

Potential reduce by 9.6 kB

  • Original 59.5 kB
  • After minification 59.5 kB
  • After compression 50.0 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 9.6 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (36%)

Requests Now

88

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 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 14 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

1418 ms

global.css

global.css

479 ms

css2

css2

32 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

957 ms

js_function.js

js_function.js

964 ms

jquery.modal.min.js

jquery.modal.min.js

984 ms

jquery.modal.css

jquery.modal.css

970 ms

util.carousel.css

util.carousel.css

971 ms

util.carousel.skins.css

util.carousel.skins.css

973 ms

jquery.utilcarousel.min.js

jquery.utilcarousel.min.js

1195 ms

alertify.min.js

alertify.min.js

1204 ms

alertify.core.css

alertify.core.css

1209 ms

alertify.default.css

alertify.default.css

1211 ms

js

js

50 ms

js.cookie.min.js

js.cookie.min.js

116 ms

jquery.royalslider.min.js

jquery.royalslider.min.js

1505 ms

royalslider.css

royalslider.css

1234 ms

rs-minimal-white.css

rs-minimal-white.css

1450 ms

jquery.pwstabs.js

jquery.pwstabs.js

1502 ms

jquery.pwstabs.css

jquery.pwstabs.css

1503 ms

all.css

all.css

987 ms

font-awesome.min.css

font-awesome.min.css

1000 ms

css

css

14 ms

bg202082519718.gif

bg202082519718.gif

289 ms

logo202119143545.jpg

logo202119143545.jpg

509 ms

icon_list.png

icon_list.png

274 ms

analytics.js

analytics.js

22 ms

js

js

46 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

997 ms

fa-solid-900.woff

fa-solid-900.woff

768 ms

fa-regular-400.woff

fa-regular-400.woff

292 ms

banner89v2021113111240.jpg

banner89v2021113111240.jpg

1916 ms

pixel11.png

pixel11.png

446 ms

12020111871848.jpg

12020111871848.jpg

1049 ms

12020111871852.jpg

12020111871852.jpg

1191 ms

pixel64.png

pixel64.png

685 ms

bct.png

bct.png

926 ms

phone-ring.png

phone-ring.png

1010 ms

collect

collect

34 ms

conversion_async.js

conversion_async.js

159 ms

loader.js

loader.js

139 ms

collect

collect

176 ms

vt202115142854.jpg

vt202115142854.jpg

1809 ms

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lar2020121515623.jpg

1442 ms

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1206 ms

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1463 ms

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1624 ms

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1482 ms

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1685 ms

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2021 ms

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1807 ms

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9992021113112132.jpg

2603 ms

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1959 ms

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2091 ms

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2354 ms

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2089 ms

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2454 ms

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2274 ms

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2367 ms

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2380 ms

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2771 ms

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2835 ms

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2607 ms

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2634 ms

lar2020121816858.jpg

lar2020121816858.jpg

2958 ms

util-fontello.svg

util-fontello.svg

2719 ms

util-fontello.woff

util-fontello.woff

2728 ms

call-tracking_7.js

call-tracking_7.js

20 ms

47 ms

ga-audiences

ga-audiences

34 ms

wcm

wcm

21 ms

31 ms

us12a202115113518.jpg

us12a202115113518.jpg

2671 ms

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2657 ms

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2725 ms

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2500 ms

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2420 ms

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2310 ms

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2282 ms

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2328 ms

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2365 ms

preloader-white.gif

preloader-white.gif

2235 ms

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2148 ms

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1955 ms

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1985 ms

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2054 ms

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1949 ms

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1881 ms

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1845 ms

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1902 ms

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1832 ms

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1840 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

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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: