21.1 sec in total
6.8 sec
13.7 sec
659 ms
Click here to check amazing IES C content for Vietnam. Otherwise, check out these important facts you probably never knew about iesc.edu.vn
Trung tâm Anh Ngữ IES Education - Quận 7 là công ty đào tạo và cung cấp giáo viên bản ngữ, giáo viên nước ngoài dạy Tiếng Anh hàng đầu TPHCM. 100% các giáo viên bản ngữ đến từ các nước Anh, Úc, Mỹ, Ca...
Visit iesc.edu.vnWe analyzed Iesc.edu.vn page load time and found that the first response time was 6.8 sec and then it took 14.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
iesc.edu.vn performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value12.0 s
0/100
25%
Value15.4 s
0/100
10%
Value1,130 ms
23/100
30%
Value0.278
44/100
15%
Value24.3 s
0/100
10%
6778 ms
69 ms
746 ms
1060 ms
531 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 84% of them (101 requests) were addressed to the original Iesc.edu.vn, 3% (3 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Static-v.tawk.to. The less responsive or slowest element that took the longest time to load (6.8 sec) belongs to the original domain Iesc.edu.vn.
Page size can be reduced by 1.8 MB (30%)
6.1 MB
4.2 MB
In fact, the total size of Iesc.edu.vn main page is 6.1 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. 60% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.
Potential reduce by 70.3 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 20.9 kB, which is 25% 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 70.3 kB or 84% of the original size.
Potential reduce by 355.5 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. IES C images are well optimized though.
Potential reduce by 754.5 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 754.5 kB or 75% of the original size.
Potential reduce by 646.4 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. Iesc.edu.vn needs all CSS files to be minified and compressed as it can save up to 646.4 kB or 88% of the original size.
Number of requests can be reduced by 41 (37%)
111
70
The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IES C. 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 22 to 1 for CSS and as a result speed up the page load time.
iesc.edu.vn
6778 ms
css
69 ms
Common.css
746 ms
bootstrap.css
1060 ms
color-default.css
531 ms
retina.css
555 ms
animate.css
847 ms
owl.carousel.css
741 ms
owl.theme.css
799 ms
shortcodes.css
1421 ms
main.css
1249 ms
slider-pro.css
980 ms
jgallery.min.css
1312 ms
masterslider.css
1126 ms
style.css
1222 ms
slick-theme.css
1305 ms
slick.css
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ms-staff-style.css
1461 ms
font-awesome.css
1513 ms
colorbox.css
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style.css
1863 ms
responsive.css
2006 ms
jquery-2.1.4.min.js
2010 ms
jqueryval
1234 ms
bootstrap.min.js
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jquery.scripts.min.js
1342 ms
jquery.isotope.min.js
1475 ms
jquery.magnific-popup.min.js
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jgallery.min.js
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portfolio.js
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wow.min.js
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1908 ms
jquery.dlmenu.min.js
1962 ms
include.js
2054 ms
jquery.colorbox-min.js
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star-rating.min.css
1837 ms
logo.png
272 ms
blank.gif
588 ms
teacher.gif
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time.gif
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shake.gif
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head-bg-2.png
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logo-dtp.jpg
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analytics.js
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iesc.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
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
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
iesc.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
Page has valid source maps
iesc.edu.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iesc.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Iesc.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.
iesc.edu.vn
Open Graph description is not detected on the main page of IES C. 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: