Tools & Wizards About Us
trungtamadn.com screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

trungtamadn.com

Trung tâm xét nghiệm ADN DNA TESTING

Page Load Speed

11 sec in total

First Response

1.4 sec

Resources Loaded

6.7 sec

Page Rendered

2.8 sec

trungtamadn.com screenshot

About Website

Visit trungtamadn.com now to see the best up-to-date Trung Tam ADN content and also check out these interesting facts you probably never knew about trungtamadn.com

"DNA TESTING - Trung Tâm Xét Nghiệm ADN Uy Tín Hàng Đầu: Dịch Vụ Xét Nghiệm ADN Chính Xác Trụ sở Chính TP.HCM

Visit trungtamadn.com

Key Findings

We analyzed Trungtamadn.com page load time and found that the first response time was 1.4 sec and then it took 9.6 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

trungtamadn.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value2,140 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.2

62/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

Network Requests Diagram

trungtamadn.com

1426 ms

82f830f3ce3e43e4a978318960b49604.css

1154 ms

cropped-logo-chinh-1.png

452 ms

giam-gia-nipt-precare-mung-30-04.png

1867 ms

BANNER-ADN-1-6.jpg

1833 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that all of those requests were addressed to Trungtamadn.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Trungtamadn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 626.0 kB (11%)

Content Size

5.6 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Trungtamadn.com main page is 5.6 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. 50% of websites need less resources to load. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 240.2 kB

  • Original 286.5 kB
  • After minification 286.1 kB
  • After compression 46.3 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. 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 240.2 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 385.8 kB

  • Original 5.2 MB
  • After minification 4.8 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. Trung Tam ADN images are well optimized though.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 91.3 kB
  • After minification 91.3 kB
  • After compression 91.3 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. Trungtamadn.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

52

After Optimization

52

  • Images
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trung Tam ADN. According to our analytics all requests are already optimized.

Network Requests Diagram

trungtamadn.com

trungtamadn.com

1426 ms

82f830f3ce3e43e4a978318960b49604.css

82f830f3ce3e43e4a978318960b49604.css

1154 ms

cropped-logo-chinh-1.png

cropped-logo-chinh-1.png

452 ms

giam-gia-nipt-precare-mung-30-04.png

giam-gia-nipt-precare-mung-30-04.png

1867 ms

BANNER-ADN-1-6.jpg

BANNER-ADN-1-6.jpg

1833 ms

BANNER-TRUNGTAMADN01.jpg

BANNER-TRUNGTAMADN01.jpg

1605 ms

360x300TU-VAN-MIEN-PHI-ADN-HUYET-THONG-TAI-NHA.jpg

360x300TU-VAN-MIEN-PHI-ADN-HUYET-THONG-TAI-NHA.jpg

230 ms

360x300HUONG-DAN-THU-MAU-ADN-TAI-NHA1.png

360x300HUONG-DAN-THU-MAU-ADN-TAI-NHA1.png

947 ms

360x300TU-VAN-XET-NGHIEM-ADN.png

360x300TU-VAN-XET-NGHIEM-ADN.png

973 ms

fa-solid-900.woff

fa-solid-900.woff

555 ms

fa-solid-900.woff

fa-solid-900.woff

733 ms

fa-regular-400.woff

fa-regular-400.woff

785 ms

fa-regular-400.woff

fa-regular-400.woff

957 ms

eicons.woff

eicons.woff

981 ms

fa-brands-400.woff

fa-brands-400.woff

1018 ms

fa-brands-400.woff

fa-brands-400.woff

1019 ms

process-thumb.png

process-thumb.png

241 ms

screen_01.png

screen_01.png

230 ms

figure71.png

figure71.png

232 ms

iconimg02.png

iconimg02.png

472 ms

iconimg03.png

iconimg03.png

245 ms

iconimg04.png

iconimg04.png

233 ms

xet-nghiem-bobs-chan-doan-truoc-sinh2-768x576.jpg

xet-nghiem-bobs-chan-doan-truoc-sinh2-768x576.jpg

459 ms

xet-nghiem-adn-lam-giay-khai-sinh-1-768x437.png

xet-nghiem-adn-lam-giay-khai-sinh-1-768x437.png

691 ms

xet-nghiem-adn-gia-re-1-768x436.png

xet-nghiem-adn-gia-re-1-768x436.png

693 ms

xet-nghiem-adn-cha-con-thai-nhi-1-768x437.png

xet-nghiem-adn-cha-con-thai-nhi-1-768x437.png

477 ms

xet-nghiem-nipt-1-768x436.png

xet-nghiem-nipt-1-768x436.png

734 ms

trung-tam-xet-nghiem-adn-tai-tphcm-1.png

trung-tam-xet-nghiem-adn-tai-tphcm-1.png

689 ms

321-1.jpg

321-1.jpg

944 ms

xet-nghiem-adn-thu-mau-tai-nha-1-768x437.png

xet-nghiem-adn-thu-mau-tai-nha-1-768x437.png

713 ms

dich-vu-xet-nghiem-adn-tai-dna-testing-1-1.png

dich-vu-xet-nghiem-adn-tai-dna-testing-1-1.png

919 ms

about-img-01.jpg

about-img-01.jpg

922 ms

about-img-02.jpg

about-img-02.jpg

922 ms

bs-hkc.jpg

bs-hkc.jpg

947 ms

bui-kieu-yen-tran.jpg

bui-kieu-yen-tran.jpg

977 ms

thac-si-dang-diep.jpg

thac-si-dang-diep.jpg

1148 ms

ky-su-huynh-van-phuc-giam-doc-dieu-hanh-20191205165259.jpg

ky-su-huynh-van-phuc-giam-doc-dieu-hanh-20191205165259.jpg

1151 ms

home6_img_9-3.png

home6_img_9-3.png

1151 ms

home8_testimonials_img-3.jpg

home8_testimonials_img-3.jpg

1180 ms

testimonials_09_1-3-1.jpg

testimonials_09_1-3-1.jpg

1182 ms

testimonials_09_2.jpg

testimonials_09_2.jpg

1220 ms

home6_img_7-3.png

home6_img_7-3.png

1377 ms

home6_img_6-3.png

home6_img_6-3.png

1379 ms

tran-thuy-an.jpg

tran-thuy-an.jpg

1381 ms

thu-ha.jpg

thu-ha.jpg

1418 ms

kieulinh.jpg

kieulinh.jpg

1415 ms

1.png

1.png

1463 ms

2.png

2.png

1606 ms

3.png

3.png

1608 ms

4.png

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1610 ms

5.png

5.png

1648 ms

6.png

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1654 ms

7.png

7.png

1478 ms

8.png

8.png

1605 ms

mo-rong-xet-nghiem-nipt-768x468.jpg

mo-rong-xet-nghiem-nipt-768x468.jpg

1607 ms

khai-truong-van-phong-282-chu-van-an-1-768x602.jpg

khai-truong-van-phong-282-chu-van-an-1-768x602.jpg

1603 ms

dna-testings-hoi-nghi-viet-phap-2024-2-768x512.jpg

dna-testings-hoi-nghi-viet-phap-2024-2-768x512.jpg

1642 ms

terms.svg

terms.svg

1436 ms

bct.png

bct.png

1480 ms

DMCA_badge_grn_60w.png

DMCA_badge_grn_60w.png

1588 ms

Accessibility Review

trungtamadn.com accessibility score

63

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

trungtamadn.com 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

High

Page has valid source maps

SEO Factors

trungtamadn.com SEO score

84

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 Trungtamadn.com 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 Trungtamadn.com 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

trungtamadn.com

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