Tools & Wizards About Us

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

vnfox.com

VNFox nơi chia sẻ, giúp đở, học hỏi, và nâng cao trí tuệ.

Page Load Speed

1.6 sec in total

First Response

202 ms

Resources Loaded

1.3 sec

Page Rendered

88 ms

About Website

Visit vnfox.com now to see the best up-to-date VNFox content and also check out these interesting facts you probably never knew about vnfox.com

Chia sẻ kinh nghiệm, phương pháp và công cụ về công nghệ. Chia sẻ cách tự học tiếng Anh hiệu quả và những vấn đề liên quan đến tin học. VNFox nơi chia sẻ, giúp đở, học hỏi, và nâng cao trí tuệ.

Visit vnfox.com

Key Findings

We analyzed Vnfox.com page load time and found that the first response time was 202 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

vnfox.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.883

3/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

vnfox.com

202 ms

vnfox.com

313 ms

jquery-full.js

436 ms

JS.js

389 ms

raw.aspx

316 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Vnfox.com and no external sources were called. The less responsive or slowest element that took the longest time to load (436 ms) belongs to the original domain Vnfox.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 390.0 kB (53%)

Content Size

737.2 kB

After Optimization

347.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vnfox.com main page is 737.2 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. 20% of websites need less resources to load. Javascripts take 394.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.9 kB

  • Original 22.3 kB
  • After minification 22.2 kB
  • After compression 5.4 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 16.9 kB or 76% of the original size.

Image Optimization

-18%

Potential reduce by 50.8 kB

  • Original 286.9 kB
  • After minification 236.1 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, VNFox needs image optimization as it can save up to 50.8 kB or 18% 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 294.5 kB

  • Original 394.7 kB
  • After minification 345.5 kB
  • After compression 100.3 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 294.5 kB or 75% of the original size.

CSS Optimization

-84%

Potential reduce by 27.8 kB

  • Original 33.3 kB
  • After minification 27.2 kB
  • After compression 5.5 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. Vnfox.com needs all CSS files to be minified and compressed as it can save up to 27.8 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VNFox. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

vnfox.com accessibility score

88

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

Best Practices

vnfox.com 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

vnfox.com SEO score

92

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

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

High

Document uses legible font sizes

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 Vnfox.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 Vnfox.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

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