Access ocean.edu.vn. Hệ Thống Anh Ngữ - Học Tiếng Anh với Giáo Viên Nước Ngoài

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value32.4 s

0/100

25%

SI (Speed Index)

Value23.6 s

0/100

10%

TBT (Total Blocking Time)

Value3,710 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

ocean.edu.vn

1948 ms

ocean.edu.vn

2710 ms

css2

2607 ms

css

40 ms

minify.aspx

1064 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 48% of them (33 requests) were addressed to the original Ocean.edu.vn, 14% (10 requests) were made to Static.xx.fbcdn.net and 10% (7 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Ocean.edu.vn.

Content Size

587.0 kB

After Optimization

335.8 kB

In fact, the total size of Ocean.edu.vn main page is 587.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 245.1 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 215.2 kB

Original 245.1 kB
After minification 192.8 kB
After compression 29.9 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 52.3 kB, which is 21% 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 215.2 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 3.6 kB

Original 157.3 kB
After minification 153.7 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.

JavaScript Optimization

-18%

Potential reduce by 32.4 kB

Original 184.5 kB
After minification 184.5 kB
After compression 152.2 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 32.4 kB or 18% of the original size.

Requests Now

After Optimization

The browser has sent 59 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 25 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

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

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

VI
Language Claimed

VI
Encoding

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.

Social Sharing Optimization

ocean.edu.vn

Open Graph data is detected on the main page of Ocean. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Hệ Thống Anh Ngữ - Học Tiếng Anh với Giáo Viên Nước Ngoài | Anh Ngữ Ocean Edu

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

ocean.edu.vn

ocean.edu.vn

css2

css

minify.aspx

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ocean.edu.vn

ocean.edu.vn

css2

css

minify.aspx

DMCABadgeHelper.min.js

jquery

jqueryval

bootstrap

jquery-migrate-1.4.1.min.js

mainJs

camera.min.js

fbevents.js

gtm.js

popup-script.js

dmca-badge-w150-5x1-01.png

Vietnam_Flag.jpg

english_flag.jpg

logo.png

reg-online-icon.png

icon-shadow.png

icon-video.png

bg-icon.png

icon-phan-mem-hoc-tap.png

icon-cuoc-thi.png

icon-hoc-vien-xuat-sac.png

line-top-office.png

line-office.png

arrow-up-1.png

bg.png

title.png

button-2.png

arrow-2.png

footer-right.png

logo-bot.png

dathongbao.png

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsovBK.woff

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyovBK.woff

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpfBK.woff

fontawesome-webfont.woff

UTM%20Dax.ttf

UTM%20Colossalis.ttf

MyriadPro-BoldCond.otf

MyriadPro-Cond.otf