49.9 sec in total
849 ms
29.8 sec
19.3 sec
Visit thuvienvatly.com now to see the best up-to-date Thuvienvatly content for Vietnam and also check out these interesting facts you probably never knew about thuvienvatly.com
Thư Viện Vật Lý, tải bài tập trắc nghiệm, giáo án và bài giảng, thi thử.
Visit thuvienvatly.comWe analyzed Thuvienvatly.com page load time and found that the first response time was 849 ms and then it took 49.1 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.
thuvienvatly.com performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value3.1 s
76/100
25%
Value1.8 s
100/100
10%
Value150 ms
94/100
30%
Value0.013
100/100
15%
Value3.0 s
96/100
10%
849 ms
1055 ms
589 ms
1192 ms
935 ms
Our browser made a total of 134 requests to load all elements on the main page. We found that 31% of them (42 requests) were addressed to the original Thuvienvatly.com, 40% (53 requests) were made to Image.thuvienvatly.com and 8% (11 requests) were made to 360.thuvienvatly.com. The less responsive or slowest element that took the longest time to load (20.6 sec) relates to the external source 360.thuvienvatly.com.
Page size can be reduced by 1.1 MB (20%)
5.3 MB
4.2 MB
In fact, the total size of Thuvienvatly.com main page is 5.3 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. 70% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.
Potential reduce by 110.9 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 110.9 kB or 82% of the original size.
Potential reduce by 132.6 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. Thuvienvatly images are well optimized though.
Potential reduce by 720.3 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 720.3 kB or 60% of the original size.
Potential reduce by 86.8 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. Thuvienvatly.com needs all CSS files to be minified and compressed as it can save up to 86.8 kB or 81% of the original size.
Number of requests can be reduced by 39 (30%)
129
90
The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thuvienvatly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
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thuvienvatly.com accessibility score
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
Image elements do not have [alt] attributes
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.
thuvienvatly.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
thuvienvatly.com 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 Thuvienvatly.com 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 Thuvienvatly.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.
thuvienvatly.com
Open Graph description is not detected on the main page of Thuvienvatly. 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: