Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

4.vndic.net

Từ Điển Anh Việt Anh Tra Từ - English Vietnamese English Dictionary

Page Load Speed

772 ms in total

First Response

148 ms

Resources Loaded

531 ms

Page Rendered

93 ms

4.vndic.net screenshot

About Website

Click here to check amazing 4 Vndic content for Vietnam. Otherwise, check out these important facts you probably never knew about 4.vndic.net

VNDIC.net is Vietnamese Dictionary and Translation - Từ điển và dịch nguyên câu các thứ tiếng

Visit 4.vndic.net

Key Findings

We analyzed 4.vndic.net page load time and found that the first response time was 148 ms and then it took 624 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

4.vndic.net performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

4.vndic.net

148 ms

index.js

61 ms

common.js

178 ms

home_min.css

132 ms

css

26 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 60% of them (12 requests) were addressed to the original 4.vndic.net, 10% (2 requests) were made to Fonts.googleapis.com and 10% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (178 ms) belongs to the original domain 4.vndic.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.7 kB (53%)

Content Size

267.0 kB

After Optimization

126.3 kB

In fact, the total size of 4.vndic.net main page is 267.0 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. 35% of websites need less resources to load. Javascripts take 164.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 19.4 kB

  • Original 26.8 kB
  • After minification 26.6 kB
  • After compression 7.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.4 kB or 72% of the original size.

Image Optimization

-5%

Potential reduce by 2.8 kB

  • Original 60.2 kB
  • After minification 57.4 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. 4 Vndic images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 106.9 kB

  • Original 164.9 kB
  • After minification 163.6 kB
  • After compression 58.0 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 106.9 kB or 65% of the original size.

CSS Optimization

-76%

Potential reduce by 11.5 kB

  • Original 15.1 kB
  • After minification 12.9 kB
  • After compression 3.6 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. 4.vndic.net needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (16%)

Requests Now

19

After Optimization

16

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Vndic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

4.vndic.net accessibility score

51

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Internationalization and localization

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

Impact

Issue

High

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

4.vndic.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

4.vndic.net SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4.vndic.net can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 4.vndic.net 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

Open Graph data is detected on the main page of 4 Vndic. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: