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worldfone.com.vn screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

worldfone.com.vn

Tổng đài Contact Center | Cloud PBX - VoIP Solution | OmniChannels

Page Load Speed

7.4 sec in total

First Response

1.8 sec

Resources Loaded

5.5 sec

Page Rendered

188 ms

worldfone.com.vn screenshot

About Website

Click here to check amazing Worldfone content for Vietnam. Otherwise, check out these important facts you probably never knew about worldfone.com.vn

Worldfone giải pháp tổng đài ip toàn diện, call center, contact center, voip, acs, tong dai ip, tong dai ao

Visit worldfone.com.vn

Key Findings

We analyzed Worldfone.com.vn page load time and found that the first response time was 1.8 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

worldfone.com.vn performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value18.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.269

46/100

15%

TTI (Time to Interactive)

Value20.2 s

2/100

10%

Network Requests Diagram

worldfone.com.vn

1773 ms

jquery-1.7.1.min.js

1863 ms

jquery-ui-1.8.18.custom.min.js

1083 ms

highslide-with-html.js

1906 ms

jquery.tooltip.js

834 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 86% of them (54 requests) were addressed to the original Worldfone.com.vn, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Worldfone.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 750.4 kB (46%)

Content Size

1.6 MB

After Optimization

874.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Worldfone.com.vn main page is 1.6 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. 50% of websites need less resources to load. Images take 771.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 37.4 kB

  • Original 46.7 kB
  • After minification 41.1 kB
  • After compression 9.3 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. This page needs HTML code to be minified as it can gain 5.7 kB, which is 12% 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 37.4 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 56.5 kB

  • Original 771.5 kB
  • After minification 715.1 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. Worldfone images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 588.1 kB

  • Original 725.0 kB
  • After minification 482.7 kB
  • After compression 136.8 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 588.1 kB or 81% of the original size.

CSS Optimization

-84%

Potential reduce by 68.3 kB

  • Original 81.1 kB
  • After minification 59.4 kB
  • After compression 12.8 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. Worldfone.com.vn needs all CSS files to be minified and compressed as it can save up to 68.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (48%)

Requests Now

61

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Worldfone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

worldfone.com.vn

worldfone.com.vn

1773 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

1863 ms

jquery-ui-1.8.18.custom.min.js

jquery-ui-1.8.18.custom.min.js

1083 ms

highslide-with-html.js

highslide-with-html.js

1906 ms

jquery.tooltip.js

jquery.tooltip.js

834 ms

jquery-ui-1.8.18.custom.css

jquery-ui-1.8.18.custom.css

1421 ms

coin-slider-styles.css

coin-slider-styles.css

1067 ms

coin-slider.js

coin-slider.js

1384 ms

highslide.css

highslide.css

1347 ms

reset.css

reset.css

1359 ms

default.css

default.css

1893 ms

slide-style.css

slide-style.css

1628 ms

jquery.tooltip.css

jquery.tooltip.css

1665 ms

active_menu.js

active_menu.js

1460 ms

jquery.easing.js

jquery.easing.js

1664 ms

script.js

script.js

1689 ms

WebResource.axd

WebResource.axd

1762 ms

ScriptResource.axd

ScriptResource.axd

1873 ms

ScriptResource.axd

ScriptResource.axd

1642 ms

ga.js

ga.js

8 ms

logo.png

logo.png

272 ms

world_clock.png

world_clock.png

278 ms

3_12.png

3_12.png

280 ms

b1.png

b1.png

1277 ms

Banner_GP_large.png

Banner_GP_large.png

1611 ms

B3cc.png

B3cc.png

1376 ms

download_now.png

download_now.png

563 ms

windows64x64.png

windows64x64.png

641 ms

Apple-Blue-icon64x64.png

Apple-Blue-icon64x64.png

717 ms

android64x64.png

android64x64.png

848 ms

symbian64x64.png

symbian64x64.png

926 ms

ipphone.png

ipphone.png

1004 ms

nut%20tron%20nho.png

nut%20tron%20nho.png

1135 ms

the-cao-di-dong.png

the-cao-di-dong.png

1216 ms

ebanking.png

ebanking.png

1272 ms

the-worldfone.png

the-worldfone.png

1419 ms

payoo.png

payoo.png

1501 ms

livechat.gif

livechat.gif

1552 ms

all.js

all.js

21 ms

__utm.gif

__utm.gif

23 ms

81 ms

xd_arbiter.php

xd_arbiter.php

36 ms

xd_arbiter.php

xd_arbiter.php

44 ms

header_bg.jpg

header_bg.jpg

1080 ms

quick_link_bg.jpg

quick_link_bg.jpg

1184 ms

phone.png

phone.png

1230 ms

menu_left.png

menu_left.png

1330 ms

menu_bg.png

menu_bg.png

1353 ms

menu_separ.png

menu_separ.png

1351 ms

bg_pay.gif

bg_pay.gif

1410 ms

chevron.gif

chevron.gif

1459 ms

menu_right.png

menu_right.png

1506 ms

ban_bg_rpt.png

ban_bg_rpt.png

1562 ms

bg_logni_home.png

bg_logni_home.png

1564 ms

6_03.png

6_03.png

1564 ms

bg1.png

bg1.png

1626 ms

arrow_worldfone.png

arrow_worldfone.png

1688 ms

like.php

like.php

71 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

33 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

20 ms

rounded-black.png

rounded-black.png

283 ms

zoomout.cur

zoomout.cur

294 ms

loader.white.gif

loader.white.gif

282 ms

Accessibility Review

worldfone.com.vn accessibility score

74

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

worldfone.com.vn 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

High

Missing source maps for large first-party JavaScript

SEO Factors

worldfone.com.vn SEO score

85

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

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Worldfone.com.vn 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 Worldfone.com.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

worldfone.com.vn

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