8.6 sec in total
807 ms
7.2 sec
680 ms
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.comWe analyzed Trungtamadn.com page load time and found that the first response time was 807 ms and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
trungtamadn.com performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value21.7 s
0/100
25%
Value14.3 s
1/100
10%
Value2,140 ms
6/100
30%
Value0.2
62/100
15%
Value23.4 s
1/100
10%
807 ms
2084 ms
774 ms
238 ms
132 ms
Our browser made a total of 111 requests to load all elements on the main page. We found that 51% of them (57 requests) were addressed to the original Trungtamadn.com, 6% (7 requests) were made to Google.com and 6% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Trungtamadn.com.
Page size can be reduced by 785.8 kB (22%)
3.6 MB
2.8 MB
In fact, the total size of Trungtamadn.com main page is 3.6 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. 85% 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 2.7 MB which makes up the majority of the site volume.
Potential reduce by 184.5 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 70.8 kB, which is 33% 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 184.5 kB or 87% of the original size.
Potential reduce by 195.5 kB
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.
Potential reduce by 83.8 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 83.8 kB or 36% of the original size.
Potential reduce by 322.0 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. Trungtamadn.com needs all CSS files to be minified and compressed as it can save up to 322.0 kB or 74% of the original size.
Number of requests can be reduced by 40 (41%)
97
57
The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trung Tam ADN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
trungtamadn.com
807 ms
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trungtamadn.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
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
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
trungtamadn.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
trungtamadn.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
VI
VI
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.
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: