5 sec in total
550 ms
4.3 sec
162 ms
Welcome to vungoi.vn homepage info - get ready to check Vungoi best content for Vietnam right away, or after learning these important things about vungoi.vn
Luyện bài tập trắc nghiệm online, ôn lý thuyết, đề thi kiểm tra, đề học kì, thi thử online miễn phí cho tất cả các lớp với đầy đủ đáp án, lời giải chi tiết. Học trực tuyến online math - môn Toán, Lý, ...
Visit vungoi.vnWe analyzed Vungoi.vn page load time and found that the first response time was 550 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
vungoi.vn performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value19.0 s
0/100
25%
Value17.5 s
0/100
10%
Value1,400 ms
16/100
30%
Value0.179
67/100
15%
Value18.7 s
3/100
10%
550 ms
1300 ms
257 ms
512 ms
1016 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 46% of them (21 requests) were addressed to the original Vungoi.vn, 28% (13 requests) were made to Cdn.vungoi.vn and 7% (3 requests) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Vungoi.vn.
Page size can be reduced by 71.7 kB (39%)
182.5 kB
110.8 kB
In fact, the total size of Vungoi.vn main page is 182.5 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. 60% of websites need less resources to load. Javascripts take 92.7 kB which makes up the majority of the site volume.
Potential reduce by 71.5 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 71.5 kB or 80% of the original size.
Potential reduce by 191 B
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 14 (34%)
41
27
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vungoi. 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 4 to 1 for CSS and as a result speed up the page load time.
vungoi.vn
550 ms
vungoi.vn
1300 ms
bootstrap.min.css
257 ms
font-awesome.min.css
512 ms
home.842460521668c2c28e39.css
1016 ms
adsbygoogle.js
77 ms
gpt.js
33 ms
DMCABadgeHelper.min.js
65 ms
jquery_2.min.js
1013 ms
loglevel.min.js
759 ms
home.842460521668c2c28e39.js
1794 ms
vendor_min.b86ccc3ee2bcb6d36081.js
1136 ms
MathJax.js
31 ms
sdk.js
118 ms
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1183 ms
dmca_protected_sml_120m.png
106 ms
1635911635068_cu_12.png
960 ms
1635911610570_cu_11.png
1205 ms
1635911586946_cu_10.png
972 ms
1635911551170_cu_9.png
982 ms
1635911531926_cu_8.png
993 ms
1635911493955_cu_7.png
1201 ms
1635911403633_cu_6.png
1204 ms
1635911292236_cu_5.png
1218 ms
1635911205350_cu_4.png
1230 ms
1635911166718_cu_3.png
1405 ms
1635909526523_cu_2.png
1433 ms
1635909455400_cu_1.png
1435 ms
package_vip.png
255 ms
bg-header.png
255 ms
image_2022_01_28T03_04_24_902Z.png
257 ms
doilop.png
258 ms
banner-right_new.png
256 ms
vnexpress.png
509 ms
call.png
508 ms
logo.gif
508 ms
pubads_impl_2022020101.js
68 ms
ppub_config
147 ms
Roboto-Regular.woff
670 ms
Roboto-Bold.woff
921 ms
fontawesome-webfont.woff
910 ms
sdk.js
14 ms
TeX-MML-AM_CHTML.js
22 ms
69 ms
7 ms
react-redux-toastr.min.css
256 ms
vungoi.vn accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
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>).
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.
vungoi.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
vungoi.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
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vungoi.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 Vungoi.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.
vungoi.vn
Open Graph data is detected on the main page of Vungoi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: