8 sec in total
2.1 sec
5.6 sec
346 ms
Welcome to namsach.haiduong.edu.vn homepage info - get ready to check Namsach Haiduong best content for Vietnam right away, or after learning these important things about namsach.haiduong.edu.vn
Visit namsach.haiduong.edu.vnWe analyzed Namsach.haiduong.edu.vn page load time and found that the first response time was 2.1 sec and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster. This domain responded with an error, which can significantly jeopardize Namsach.haiduong.edu.vn rating and web reputation
namsach.haiduong.edu.vn performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value6.5 s
9/100
25%
Value8.8 s
16/100
10%
Value70 ms
99/100
30%
Value0.018
100/100
15%
Value7.2 s
51/100
10%
2122 ms
1417 ms
1951 ms
474 ms
965 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 93% of them (65 requests) were addressed to the original Namsach.haiduong.edu.vn, 4% (3 requests) were made to Ns-thanbinh.haiduong.edu.vn and 1% (1 request) were made to Ns-thminhtan.haiduong.edu.vn. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Namsach.haiduong.edu.vn.
Page size can be reduced by 439.3 kB (27%)
1.6 MB
1.2 MB
In fact, the total size of Namsach.haiduong.edu.vn main page is 1.6 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 105.0 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. This page needs HTML code to be minified as it can gain 29.6 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 105.0 kB or 86% of the original size.
Potential reduce by 85.2 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. Namsach Haiduong images are well optimized though.
Potential reduce by 234.1 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 234.1 kB or 70% of the original size.
Potential reduce by 14.9 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. Namsach.haiduong.edu.vn needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 90% of the original size.
Number of requests can be reduced by 17 (26%)
66
49
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Namsach Haiduong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
namsach.haiduong.edu.vn
2122 ms
jquery.min.js
1417 ms
jwplayer.js
1951 ms
floater_xlib.js
474 ms
style.css
965 ms
WebResource.axd
939 ms
jquery-1.3.2.min.js
1477 ms
simplegallery.js
724 ms
ScriptResource.axd
1190 ms
ScriptResource.axd
935 ms
jquery-1.3.2.min.js
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coin-slider.js
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coin-slider-styles.css
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tv.xml
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namsach.haiduong.edu.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.
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
<input type="image"> elements do not have [alt] text
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
namsach.haiduong.edu.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
namsach.haiduong.edu.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Namsach.haiduong.edu.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 Namsach.haiduong.edu.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.
namsach.haiduong.edu.vn
Open Graph description is not detected on the main page of Namsach Haiduong. 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: