Tools & Wizards About Us
toa-vn.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

toa-vn.com

TOA Electronics Việt Nam | Âm thanh | Loa | Micro | Tăng âm công suất | Thiết bị hội thảo | Hệ thống PA - VA - Professional Audio Equipment Manufactur...

Page Load Speed

12.3 sec in total

First Response

2.8 sec

Resources Loaded

9.3 sec

Page Rendered

217 ms

toa-vn.com screenshot

About Website

Welcome to toa-vn.com homepage info - get ready to check TOA Vn best content for Vietnam right away, or after learning these important things about toa-vn.com

TOA is committed to manufacturing and supplying high-quality & first-class commercial audio products, including amplifiers, mixers, and PA speakers in Singapore. Call us now.

Visit toa-vn.com

Key Findings

We analyzed Toa-vn.com page load time and found that the first response time was 2.8 sec and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

toa-vn.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value1.344

0/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

toa-vn.com

2755 ms

www.toa-vn.com

4670 ms

wp-emoji-release.min.js

490 ms

styles.css

336 ms

jquery.fancybox-1.3.7.min.css

346 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 74% of them (23 requests) were addressed to the original Toa-vn.com, 10% (3 requests) were made to Google-analytics.com and 6% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Toa-vn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 252.8 kB (44%)

Content Size

571.7 kB

After Optimization

318.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Toa-vn.com main page is 571.7 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. 30% of websites need less resources to load. Images take 230.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 10.9 kB

  • Original 15.1 kB
  • After minification 14.2 kB
  • After compression 4.2 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 10.9 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 2.7 kB

  • Original 230.8 kB
  • After minification 228.1 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. TOA Vn images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 114.0 kB

  • Original 170.5 kB
  • After minification 168.4 kB
  • After compression 56.5 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 114.0 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 125.1 kB

  • Original 155.2 kB
  • After minification 153.6 kB
  • After compression 30.1 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. Toa-vn.com needs all CSS files to be minified and compressed as it can save up to 125.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (50%)

Requests Now

28

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TOA Vn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

toa-vn.com

toa-vn.com

2755 ms

www.toa-vn.com

www.toa-vn.com

4670 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

490 ms

styles.css

styles.css

336 ms

jquery.fancybox-1.3.7.min.css

jquery.fancybox-1.3.7.min.css

346 ms

font-awesome.min.css

font-awesome.min.css

5 ms

bootstrap.min.css

bootstrap.min.css

983 ms

flexslider.css

flexslider.css

370 ms

theme.css

theme.css

799 ms

js

js

21 ms

jquery.min.js

jquery.min.js

54 ms

jquery.form.min.js

jquery.form.min.js

488 ms

scripts.js

scripts.js

510 ms

jquery.fancybox-1.3.7.min.js

jquery.fancybox-1.3.7.min.js

562 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

468 ms

scripts.js

scripts.js

960 ms

page_top.jpg

page_top.jpg

202 ms

logo.jpg

logo.jpg

197 ms

head_text.jpg

head_text.jpg

203 ms

Top_banner_DrSound1.jpg

Top_banner_DrSound1.jpg

1035 ms

main_visual01.jpg

main_visual01.jpg

668 ms

main_visual02.jpg

main_visual02.jpg

594 ms

news_arrow.png

news_arrow.png

382 ms

news_border.jpg

news_border.jpg

400 ms

sec02_img.jpg

sec02_img.jpg

804 ms

foot_logo.png

foot_logo.png

569 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

4 ms

analytics.js

analytics.js

41 ms

linkid.js

linkid.js

6 ms

collect

collect

2 ms

collect

collect

64 ms

Accessibility Review

toa-vn.com accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

toa-vn.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

toa-vn.com SEO score

89

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

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 Toa-vn.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 Toa-vn.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

toa-vn.com

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