Access chuyenngoaingu.com. Luyện thi tiếng Anh TOEIC | Luyện thi tiếng Nhật JLPT N1, N2, N3, N4, N5

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.191

64/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

chuyenngoaingu.com

4690 ms

Style.css

968 ms

zt_scroll.css

573 ms

phocagallery_module_image.css

580 ms

modal.css

583 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 91% of them (106 requests) were addressed to the original Chuyenngoaingu.com, 2% (2 requests) were made to Apis.google.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Chuyenngoaingu.com.

Content Size

1.7 MB

After Optimization

765.9 kB

In fact, the total size of Chuyenngoaingu.com 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. 35% of websites need less resources to load. Javascripts take 695.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 152.6 kB

Original 182.4 kB
After minification 156.7 kB
After compression 29.8 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 25.7 kB, which is 14% 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 152.6 kB or 84% of the original size.

Image Optimization

-13%

Potential reduce by 80.0 kB

Original 605.1 kB
After minification 525.1 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. Obviously, Chuyenngoaingu needs image optimization as it can save up to 80.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 519.2 kB

Original 695.8 kB
After minification 598.4 kB
After compression 176.6 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 519.2 kB or 75% of the original size.

CSS Optimization

-83%

Potential reduce by 170.2 kB

Original 204.6 kB
After minification 158.6 kB
After compression 34.4 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. Chuyenngoaingu.com needs all CSS files to be minified and compressed as it can save up to 170.2 kB or 83% of the original size.

Requests Now

110

After Optimization

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chuyenngoaingu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 18 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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 Chuyenngoaingu.com 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 Chuyenngoaingu.com 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

chuyenngoaingu.com

Open Graph description is not detected on the main page of Chuyenngoaingu. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Luyện thi tiếng Anh TOEIC | Luyện thi tiếng Nhật JLPT N1, N2, N3, N4, N5

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

chuyenngoaingu.com

Style.css

zt_scroll.css

phocagallery_module_image.css

modal.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

chuyenngoaingu.com

Style.css

zt_scroll.css

phocagallery_module_image.css

modal.css

jv_sello1.css

ChatStyleSheet.css

jv_lago.css

Feedbackforms.css

PageBreak.css

CMS.css

jquery-ui.css

leftmenu.css

Register.css

highslide.css

slideshow.js

highslide_full.js

mootools.js

caption.js

zt_scroll.js

modal.js

slimbox.js

jv_sello1.js

jquery-1.6.4.js

jquery.min.js-1.9.0.js

jquery-ui.min.js-1.10.1.js

PopCalendar.js

jquery.slimscroll.js

plusone.js

AllowCopy.js

template.css

components.css

typo.css

vnm.script.js

tab.js

vnm.moomenu.css

vnm.moomenu.js

1tudien_widget.js

drop1.gif

drop2.gif

left1.gif

left2.gif

right1.gif

$$stringtable_lang_vi.js