Tools & Wizards About Us
vnfox.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

vnfox.com

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

Page Load Speed

1.5 sec in total

First Response

137 ms

Resources Loaded

1.1 sec

Page Rendered

203 ms

vnfox.com screenshot

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 137 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

vnfox.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value1,940 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

vnfox.com

137 ms

vnfox.com

167 ms

jquery-full.js

178 ms

JS.js

133 ms

raw.aspx

139 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 (648 ms) belongs to the original domain Vnfox.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.1 kB (24%)

Content Size

456.5 kB

After Optimization

346.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vnfox.com main page is 456.5 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. 15% of websites need less resources to load. Images take 286.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.6 kB

  • Original 21.9 kB
  • After minification 21.9 kB
  • After compression 5.3 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 16.6 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

-30%

Potential reduce by 41.9 kB

  • Original 141.4 kB
  • After minification 141.4 kB
  • After compression 99.5 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 41.9 kB or 30% of the original size.

CSS Optimization

-12%

Potential reduce by 761 B

  • Original 6.2 kB
  • After minification 6.2 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 761 B or 12% 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

vnfox.com

vnfox.com

137 ms

vnfox.com

vnfox.com

167 ms

jquery-full.js

jquery-full.js

178 ms

JS.js

JS.js

133 ms

raw.aspx

raw.aspx

139 ms

jquery-ui-redmond.css

jquery-ui-redmond.css

143 ms

raw.aspx

raw.aspx

648 ms

bg_off.gif

bg_off.gif

37 ms

ui-bg_inset-hard_100_fcfdfd_1x100.png

ui-bg_inset-hard_100_fcfdfd_1x100.png

30 ms

ui-icons_469bdd_256x240.png

ui-icons_469bdd_256x240.png

34 ms

thumb.png

thumb.png

96 ms

thumb.png

thumb.png

125 ms

thumb.png

thumb.png

89 ms

vnfoxcafe.png

vnfoxcafe.png

67 ms

Accessibility Review

vnfox.com accessibility score

95

Accessibility Issues

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

67

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

High

Browser errors were logged to the console

SEO Factors

vnfox.com SEO score

77

Search Engine Optimization Advices

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

vnfox.com

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: