62.6 sec in total
7.4 sec
49 sec
6.1 sec
Click here to check amazing Ocean content for Vietnam. Otherwise, check out these important facts you probably never knew about ocean.edu.vn
Hệ thống Anh ngữ Quốc tế Ocean Edu với 100% giáo viên nước ngoài đã đào tạo thành công hơn 500.000 học viên theo học các chương trình tiếng Anh.
Visit ocean.edu.vnWe analyzed Ocean.edu.vn page load time and found that the first response time was 7.4 sec and then it took 55.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
ocean.edu.vn performance score
name
value
score
weighting
Value7.3 s
1/100
10%
Value49.2 s
0/100
25%
Value17.7 s
0/100
10%
Value2,820 ms
3/100
30%
Value0.103
89/100
15%
Value15.9 s
6/100
10%
7423 ms
469 ms
19518 ms
7212 ms
2152 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 73% of them (70 requests) were addressed to the original Ocean.edu.vn, 4% (4 requests) were made to Media1.admicro.vn and 3% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Ocean.edu.vn.
Page size can be reduced by 761.8 kB (30%)
2.5 MB
1.8 MB
In fact, the total size of Ocean.edu.vn main page is 2.5 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. 45% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 256.8 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 39.5 kB, which is 12% 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 256.8 kB or 77% of the original size.
Potential reduce by 58.5 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. Ocean images are well optimized though.
Potential reduce by 446.5 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 446.5 kB or 67% of the original size.
Number of requests can be reduced by 23 (26%)
90
67
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ocean. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
ocean.edu.vn
7423 ms
css
469 ms
css
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jquery
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jqueryval
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bootstrap
2237 ms
jquery-migrate-1.2.1.min.js
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jquery.fancybox-media.js
2544 ms
addthis_widget.js
107 ms
admicro.js
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ocean.edu.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.
ocean.edu.vn 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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
ocean.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
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ocean.edu.vn 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 Ocean.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.
ocean.edu.vn
Open Graph description is not detected on the main page of Ocean. 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: