10.7 sec in total
897 ms
9.5 sec
299 ms
Welcome to tailieubachkhoa.vn homepage info - get ready to check Tailieubach Khoa best content for Vietnam right away, or after learning these important things about tailieubachkhoa.vn
Tài liệu bách khoa - trang web tải phần mềm, các tài liệu học tập miễn phí cho học sinh, sinh viên. Trang web tài liệu học tập cho sinh viên nhanh chóng, đơn giản
Visit tailieubachkhoa.vnWe analyzed Tailieubachkhoa.vn page load time and found that the first response time was 897 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
tailieubachkhoa.vn performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value6.7 s
7/100
25%
Value9.5 s
11/100
10%
Value90 ms
98/100
30%
Value0.001
100/100
15%
Value6.0 s
64/100
10%
897 ms
4442 ms
3584 ms
3632 ms
2792 ms
Our browser made a total of 143 requests to load all elements on the main page. We found that 34% of them (48 requests) were addressed to the original Tailieubachkhoa.vn, 6% (9 requests) were made to Google.com and 6% (9 requests) were made to Admicro1.vcmedia.vn. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Tailieubachkhoa.vn.
Page size can be reduced by 1.3 MB (41%)
3.0 MB
1.8 MB
In fact, the total size of Tailieubachkhoa.vn main page is 3.0 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 1.5 MB which makes up the majority of the site volume.
Potential reduce by 154.8 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 154.8 kB or 76% of the original size.
Potential reduce by 65.9 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. Tailieubach Khoa images are well optimized though.
Potential reduce by 995.6 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 995.6 kB or 65% of the original size.
Potential reduce by 35.4 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. Tailieubachkhoa.vn needs all CSS files to be minified and compressed as it can save up to 35.4 kB or 84% of the original size.
Number of requests can be reduced by 57 (41%)
139
82
The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tailieubach Khoa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
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tailieubachkhoa.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
The document uses <meta http-equiv="refresh">
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
tailieubachkhoa.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
tailieubachkhoa.vn SEO score
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
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tailieubachkhoa.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 Tailieubachkhoa.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.
tailieubachkhoa.vn
Open Graph description is not detected on the main page of Tailieubach Khoa. 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: