6.1 sec in total
1 sec
4.9 sec
167 ms
Click here to check amazing Tusach Thuvienkhoahoc content for Vietnam. Otherwise, check out these important facts you probably never knew about tusach.thuvienkhoahoc.com
Thư viện Khoa học VLOS - Kho tàng kiến thức Khoa học, Công nghệ, Giáo dục.
Visit tusach.thuvienkhoahoc.comWe analyzed Tusach.thuvienkhoahoc.com page load time and found that the first response time was 1 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
tusach.thuvienkhoahoc.com performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value4.4 s
40/100
25%
Value10.1 s
9/100
10%
Value4,500 ms
0/100
30%
Value0.003
100/100
15%
Value14.3 s
9/100
10%
1019 ms
747 ms
512 ms
8 ms
25 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 12% of them (9 requests) were addressed to the original Tusach.thuvienkhoahoc.com, 29% (22 requests) were made to Static.xx.fbcdn.net and 12% (9 requests) were made to Tusach-img.thuvienkhoahoc.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Tusach.thuvienkhoahoc.com.
Page size can be reduced by 86.7 kB (25%)
348.4 kB
261.7 kB
In fact, the total size of Tusach.thuvienkhoahoc.com main page is 348.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 174.6 kB which makes up the majority of the site volume.
Potential reduce by 56.1 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 56.1 kB or 72% of the original size.
Potential reduce by 20.8 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. Obviously, Tusach Thuvienkhoahoc needs image optimization as it can save up to 20.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 9.9 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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 34 (48%)
71
37
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tusach Thuvienkhoahoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
VLOS:Trang_Ch%C3%ADnh
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tusach.thuvienkhoahoc.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
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.
tusach.thuvienkhoahoc.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
General
Impact
Issue
Detected JavaScript libraries
tusach.thuvienkhoahoc.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
robots.txt is not valid
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 Tusach.thuvienkhoahoc.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 Tusach.thuvienkhoahoc.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.
tusach.thuvienkhoahoc.com
Open Graph data is detected on the main page of Tusach Thuvienkhoahoc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: