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About Website

Welcome to en.ocean.edu.vn homepage info - get ready to check En Ocean best content for Vietnam right away, or after learning these important things about en.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.

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name

value

score

weighting

FCP (First Contentful Paint)

Value40.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value40.6 s

0/100

25%

SI (Speed Index)

Value63.1 s

0/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.12

84/100

15%

TTI (Time to Interactive)

Value47.2 s

0/100

10%

en.ocean.edu.vn

866 ms

en.ocean.edu.vn

1687 ms

css2

790 ms

css

40 ms

js

67 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 68% of them (53 requests) were addressed to the original En.ocean.edu.vn, 15% (12 requests) were made to Static.xx.fbcdn.net and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain En.ocean.edu.vn.

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of En.ocean.edu.vn main page is 1.7 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 159.0 kB

Original 179.5 kB
After minification 143.0 kB
After compression 20.4 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 36.5 kB, which is 20% 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 159.0 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 58.4 kB

Original 1.5 MB
After minification 1.5 MB

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. En Ocean images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 3.8 kB

Original 13.9 kB
After minification 13.9 kB
After compression 10.1 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 3.8 kB or 27% of the original size.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Language and Encoding

Language Detected

Language Claimed

Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise En.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 En.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.