Tools & Wizards About Us
vn.yamaha.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vn.yamaha.com

Yamaha Music Vietnam - Cung Cấp Nhạc Cụ, Âm Thanh Chính Hãng

Page Load Speed

5.7 sec in total

First Response

556 ms

Resources Loaded

4.3 sec

Page Rendered

882 ms

vn.yamaha.com screenshot

About Website

Visit vn.yamaha.com now to see the best up-to-date Vn Yamaha content for Japan and also check out these interesting facts you probably never knew about vn.yamaha.com

Tìm nhà phân phối tại Việt Nam. Yamaha chuyên cung cấp các sản phẩm âm thanh gia đình đến chuyên nghiệp như pianos, đàn điện tử, basses, trống, bộ đồng và bộ gỗ, bộ gõ, âm thanh gia đình, âm thanh chu...

Visit vn.yamaha.com

Key Findings

We analyzed Vn.yamaha.com page load time and found that the first response time was 556 ms and then it took 5.2 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

vn.yamaha.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value35.1 s

0/100

10%

TBT (Total Blocking Time)

Value5,290 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value33.2 s

0/100

10%

Network Requests Diagram

vn.yamaha.com

556 ms

483 ms

index.html

663 ms

vendor.min.css

184 ms

gcms.min.css

337 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 66% of them (78 requests) were addressed to the original Vn.yamaha.com, 19% (22 requests) were made to Static.xx.fbcdn.net and 3% (4 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Vn.yamaha.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 571.3 kB (9%)

Content Size

6.3 MB

After Optimization

5.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vn.yamaha.com main page is 6.3 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. Only a small number of websites need less resources to load. Images take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 111.1 kB

  • Original 129.8 kB
  • After minification 107.6 kB
  • After compression 18.7 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 22.2 kB, which is 17% 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 111.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 5.1 kB

  • Original 5.4 MB
  • After minification 5.4 MB

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. Vn Yamaha images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 227.5 kB

  • Original 420.4 kB
  • After minification 400.9 kB
  • After compression 192.9 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 227.5 kB or 54% of the original size.

CSS Optimization

-60%

Potential reduce by 227.6 kB

  • Original 382.1 kB
  • After minification 375.4 kB
  • After compression 154.6 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. Vn.yamaha.com needs all CSS files to be minified and compressed as it can save up to 227.6 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (35%)

Requests Now

109

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vn Yamaha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vn.yamaha.com

vn.yamaha.com

556 ms

483 ms

index.html

index.html

663 ms

vendor.min.css

vendor.min.css

184 ms

gcms.min.css

gcms.min.css

337 ms

fonts.min.css

fonts.min.css

176 ms

fix-ie_854520.css

fix-ie_854520.css

254 ms

vendor.min.js

vendor.min.js

235 ms

gcms.min.js

gcms.min.js

129 ms

gigya.js

gigya.js

90 ms

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jquery-ui.min_1413628.css

305 ms

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404 ms

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sha256_1257131.js

308 ms

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330 ms

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384 ms

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411 ms

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566 ms

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530 ms

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804 ms

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MSWC4-CUTXK-F3GBA-JG7AG-STE7Q

339 ms

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409 ms

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104 ms

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103 ms

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106 ms

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104 ms

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108 ms

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108 ms

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110 ms

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112 ms

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338 ms

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337 ms

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427 ms

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426 ms

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338 ms

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339 ms

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447 ms

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444 ms

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450 ms

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449 ms

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447 ms

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517 ms

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469 ms

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508 ms

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470 ms

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514 ms

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577 ms

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506 ms

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505 ms

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516 ms

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517 ms

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576 ms

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420 ms

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464 ms

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507 ms

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454 ms

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421 ms

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894 ms

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451 ms

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846 ms

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495 ms

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661 ms

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626 ms

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440 ms

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119 ms

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608 ms

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Accessibility Review

vn.yamaha.com accessibility score

87

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

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

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

vn.yamaha.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vn.yamaha.com SEO score

91

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 Vn.yamaha.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 Vn.yamaha.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

vn.yamaha.com

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