25.7 sec in total
1.4 sec
23.2 sec
1.1 sec
Visit tatham.vn now to see the best up-to-date Tatham content for Vietnam and also check out these interesting facts you probably never knew about tatham.vn
TẠ THÂM - Nhạc cụ Truyền thống chuyên nghiệp số 1 Việt Nam từ năm 1957, chuyên chế tác Đàn Nguyệt, Đàn Tranh, Đàn Bầu,… chuyên nghiệp, cao cấp.
Visit tatham.vnWe analyzed Tatham.vn page load time and found that the first response time was 1.4 sec and then it took 24.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
tatham.vn performance score
name
value
score
weighting
Value2.2 s
78/100
10%
Value8.7 s
1/100
25%
Value6.2 s
43/100
10%
Value10 ms
100/100
30%
Value0.228
55/100
15%
Value2.3 s
99/100
10%
1368 ms
636 ms
1889 ms
326 ms
1203 ms
Our browser made a total of 102 requests to load all elements on the main page. We found that 35% of them (36 requests) were addressed to the original Tatham.vn, 22% (22 requests) were made to Static.xx.fbcdn.net and 12% (12 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Tatham.vn.
Page size can be reduced by 575.2 kB (56%)
1.0 MB
444.6 kB
In fact, the total size of Tatham.vn main page is 1.0 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. Javascripts take 536.8 kB which makes up the majority of the site volume.
Potential reduce by 72.5 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 33.5 kB, which is 39% 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 72.5 kB or 84% of the original size.
Potential reduce by 30.5 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. Tatham images are well optimized though.
Potential reduce by 407.1 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 407.1 kB or 76% of the original size.
Potential reduce by 65.1 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. Tatham.vn needs all CSS files to be minified and compressed as it can save up to 65.1 kB or 85% of the original size.
Number of requests can be reduced by 48 (49%)
97
49
The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tatham. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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tatham.vn 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
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.
tatham.vn 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
tatham.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tatham.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tatham.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.
tatham.vn
Open Graph description is not detected on the main page of Tatham. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: