14.9 sec in total
2.4 sec
11.8 sec
740 ms
Welcome to daotaotinhoc.com.vn homepage info - get ready to check Daotao Tin Hoc best content for Vietnam right away, or after learning these important things about daotaotinhoc.com.vn
Nhận đào tạo tin học văn phòng ở tại Hà Nội, TP HCM cho các doanh nghiệp, cá nhân. Cầm tay chỉ việc - Cam kết dạy tới khi thành thạo
Visit daotaotinhoc.com.vnWe analyzed Daotaotinhoc.com.vn page load time and found that the first response time was 2.4 sec and then it took 12.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
daotaotinhoc.com.vn performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value10.2 s
0/100
25%
Value8.8 s
16/100
10%
Value50 ms
100/100
30%
Value0.251
49/100
15%
Value4.2 s
85/100
10%
2359 ms
76 ms
140 ms
139 ms
85 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 81% of them (55 requests) were addressed to the original Daotaotinhoc.com.vn, 6% (4 requests) were made to Tinhocvanphong.edu.vn and 3% (2 requests) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (9.2 sec) relates to the external source Tinhocvanphong.edu.vn.
Page size can be reduced by 382.8 kB (15%)
2.6 MB
2.2 MB
In fact, the total size of Daotaotinhoc.com.vn main page is 2.6 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. 60% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 79.5 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. 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 79.5 kB or 85% of the original size.
Potential reduce by 48.4 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. Daotao Tin Hoc images are well optimized though.
Potential reduce by 150.4 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 150.4 kB or 68% of the original size.
Potential reduce by 104.4 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. Daotaotinhoc.com.vn needs all CSS files to be minified and compressed as it can save up to 104.4 kB or 83% of the original size.
Number of requests can be reduced by 17 (28%)
61
44
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Daotao Tin Hoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
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daotaotinhoc.com.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.
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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>).
daotaotinhoc.com.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
daotaotinhoc.com.vn 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Daotaotinhoc.com.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Daotaotinhoc.com.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.
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daotaotinhoc.com.vn
Open Graph data is detected on the main page of Daotao Tin Hoc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: