Tools & Wizards About Us
rolandvietnam.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

rolandvietnam.com

Shop Đàn Roland Chính Hãng, Chất Lượng, Chuyên Nghiệp, Giá Tốt - Shop Đàn Roland Việt Nam chuyên bán đàn piano điện, đàn keyboard organ, trống điện tử...

Page Load Speed

14.3 sec in total

First Response

794 ms

Resources Loaded

13 sec

Page Rendered

527 ms

rolandvietnam.com screenshot

About Website

Click here to check amazing Roland Viet Nam content for Vietnam. Otherwise, check out these important facts you probably never knew about rolandvietnam.com

Shop Đàn Roland Việt Nam chuyên bán đàn piano điện, đàn keyboard organ, trống điện tử, loa nhạc cụ, Guitar Effect, Thiết bị phòng thu, Phụ kiện

Visit rolandvietnam.com

Key Findings

We analyzed Rolandvietnam.com page load time and found that the first response time was 794 ms and then it took 13.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rolandvietnam.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value26.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.637

9/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

Network Requests Diagram

rolandvietnam.com

794 ms

danroland.vn

2873 ms

wp-emoji-release.min.js

257 ms

styles.css

514 ms

bootstrap.min.css

1027 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rolandvietnam.com, 78% (69 requests) were made to Danroland.vn and 8% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Danroland.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.2 kB (10%)

Content Size

2.9 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rolandvietnam.com main page is 2.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 93.7 kB

  • Original 109.7 kB
  • After minification 103.6 kB
  • After compression 16.0 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 93.7 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 165.9 kB

  • Original 2.3 MB
  • After minification 2.1 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. Roland Viet Nam images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 6.3 kB

  • Original 358.1 kB
  • After minification 358.1 kB
  • After compression 351.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-21%

Potential reduce by 27.3 kB

  • Original 129.3 kB
  • After minification 129.1 kB
  • After compression 102.0 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. Rolandvietnam.com needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (35%)

Requests Now

83

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roland Viet Nam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rolandvietnam.com

rolandvietnam.com

794 ms

danroland.vn

danroland.vn

2873 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

257 ms

styles.css

styles.css

514 ms

bootstrap.min.css

bootstrap.min.css

1027 ms

style.css

style.css

771 ms

animate.css

animate.css

773 ms

font-awesome.css

font-awesome.css

779 ms

owl.carousel.css

owl.carousel.css

783 ms

editor-style.css

editor-style.css

785 ms

jquery.contactus.min.css

jquery.contactus.min.css

1032 ms

jquery.js

jquery.js

1307 ms

jquery-migrate.min.js

jquery-migrate.min.js

1046 ms

plusone.js

plusone.js

28 ms

scripts.js

scripts.js

1047 ms

jquery.min.js

jquery.min.js

1291 ms

bootstrap.min.js

bootstrap.min.js

1284 ms

wow.min.js

wow.min.js

1305 ms

owl.carousel.js

owl.carousel.js

1311 ms

custom.js

custom.js

1541 ms

jquery.simplyscroll.min.js

jquery.simplyscroll.min.js

1547 ms

stickyMojo.js

stickyMojo.js

1562 ms

jquery.contactus.min.js

jquery.contactus.min.js

1564 ms

wp-embed.min.js

wp-embed.min.js

1569 ms

danroland.vn

danroland.vn

1105 ms

logomoi.png

logomoi.png

273 ms

khuyen-mai-dan-piano-casio-ap-270.jpg

khuyen-mai-dan-piano-casio-ap-270.jpg

600 ms

1-13.jpg

1-13.jpg

600 ms

1-13.jpg

1-13.jpg

599 ms

1-43.jpg

1-43.jpg

880 ms

3-17.jpg

3-17.jpg

598 ms

roland-rp-501r.jpg

roland-rp-501r.jpg

597 ms

2-5.jpg

2-5.jpg

1604 ms

1-9.jpg

1-9.jpg

1094 ms

1-14.jpg

1-14.jpg

1096 ms

ROLAND-TD-4KP.jpg

ROLAND-TD-4KP.jpg

879 ms

1-20.jpg

1-20.jpg

880 ms

1-15.jpg

1-15.jpg

1576 ms

1-5.jpg

1-5.jpg

1602 ms

dan-piano-dien-Roland-FP-E50.jpg

dan-piano-dien-Roland-FP-E50.jpg

1362 ms

dan-piano-dien-roland-rp107.jpg

dan-piano-dien-roland-rp107.jpg

1360 ms

1.jpg

1.jpg

1612 ms

1-47.jpg

1-47.jpg

1867 ms

1-7.jpg

1-7.jpg

1614 ms

1-27.jpg

1-27.jpg

1830 ms

1-153.jpg

1-153.jpg

1859 ms

1-49.jpg

1-49.jpg

1861 ms

1-154.jpg

1-154.jpg

2130 ms

3-15.jpg

3-15.jpg

1874 ms

2-20.jpg

2-20.jpg

2086 ms

1-29.jpg

1-29.jpg

2115 ms

1-28.jpg

1-28.jpg

2117 ms

2-17.jpg

2-17.jpg

2639 ms

1-87.jpg

1-87.jpg

2390 ms

1-12.jpg

1-12.jpg

2341 ms

1-14.jpg

1-14.jpg

2370 ms

roland-A-49BK.jpg

roland-A-49BK.jpg

2373 ms

quang-cao-dan-roland.jpg

quang-cao-dan-roland.jpg

2395 ms

icon-like.png

icon-like.png

2595 ms

icon-car.png

icon-car.png

2626 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

25 ms

icon-shop.png

icon-shop.png

2611 ms

sdk.js

sdk.js

105 ms

lJq7Nt8hig8

lJq7Nt8hig8

102 ms

lJq7Nt8hig8

lJq7Nt8hig8

93 ms

sdk.js

sdk.js

36 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

32 ms

base.js

base.js

63 ms

ad_status.js

ad_status.js

169 ms

G9IHigwxVH3Mn3WnChzJeeVNQhz-kZ0Q5G-GviBI-tI.js

G9IHigwxVH3Mn3WnChzJeeVNQhz-kZ0Q5G-GviBI-tI.js

129 ms

embed.js

embed.js

27 ms

1-1.png

1-1.png

2062 ms

2-1.png

2-1.png

2258 ms

registered.png

registered.png

2300 ms

dmca_premi_badge_5.png

dmca_premi_badge_5.png

2300 ms

hinh_thuc_thanh_toan.jpg

hinh_thuc_thanh_toan.jpg

2302 ms

id

id

43 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

139 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

139 ms

Create

Create

115 ms

guitar_1.png

guitar_1.png

2039 ms

guitar.png

guitar.png

2231 ms

bg_category.png

bg_category.png

2258 ms

GenerateIT

GenerateIT

16 ms

log_event

log_event

18 ms

danroland.vn

danroland.vn

882 ms

danroland.vn

danroland.vn

1473 ms

Accessibility Review

rolandvietnam.com accessibility score

59

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

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

rolandvietnam.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

High

Page has valid source maps

SEO Factors

rolandvietnam.com 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

High

Tap targets are not sized appropriately

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 Rolandvietnam.com 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 Rolandvietnam.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

rolandvietnam.com

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