Tools & Wizards About Us
rao.vn screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 55

    SEO

    Google-friendlier than
    20% of websites

rao.vn

Home Appliance Shop

Page Load Speed

9.7 sec in total

First Response

2 sec

Resources Loaded

7.3 sec

Page Rendered

350 ms

rao.vn screenshot

About Website

Visit rao.vn now to see the best up-to-date Rao content for Vietnam and also check out these interesting facts you probably never knew about rao.vn

Trang chủ,

Visit rao.vn

Key Findings

We analyzed Rao.vn page load time and found that the first response time was 2 sec and then it took 7.7 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

rao.vn performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

rao.vn

2030 ms

ie-emulation-modes-warning.js

249 ms

js_load.php

1891 ms

jquery.lazyload.js

489 ms

device.js

501 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 86% of them (36 requests) were addressed to the original Rao.vn, 10% (4 requests) were made to Dhresource.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Rao.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 343.4 kB (44%)

Content Size

781.7 kB

After Optimization

438.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rao.vn main page is 781.7 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. 40% of websites need less resources to load. Images take 378.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 57.6 kB

  • Original 66.0 kB
  • After minification 61.3 kB
  • After compression 8.4 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 57.6 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 10.7 kB

  • Original 378.0 kB
  • After minification 367.3 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. Rao images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 24.3 kB

  • Original 51.5 kB
  • After minification 42.4 kB
  • After compression 27.2 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 24.3 kB or 47% of the original size.

CSS Optimization

-88%

Potential reduce by 250.8 kB

  • Original 286.2 kB
  • After minification 231.3 kB
  • After compression 35.4 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. Rao.vn needs all CSS files to be minified and compressed as it can save up to 250.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (41%)

Requests Now

39

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rao.vn

rao.vn

2030 ms

ie-emulation-modes-warning.js

ie-emulation-modes-warning.js

249 ms

js_load.php

js_load.php

1891 ms

jquery.lazyload.js

jquery.lazyload.js

489 ms

device.js

device.js

501 ms

sites.js

sites.js

496 ms

prettify.js

prettify.js

497 ms

bootstrap-parallax.js

bootstrap-parallax.js

510 ms

shoppings.js

shoppings.js

731 ms

bootstrap-parallax.css

bootstrap-parallax.css

1483 ms

animate.css

animate.css

747 ms

color.css

color.css

748 ms

bootstrap.css

bootstrap.css

1026 ms

bootstrap.tabs.css

bootstrap.tabs.css

1650 ms

font-awesome.css

font-awesome.css

995 ms

flexslider.css

flexslider.css

993 ms

styles.css

styles.css

1240 ms

bs_themes.css

bs_themes.css

251 ms

3D%20Pen.jpg

3D%20Pen.jpg

127 ms

790x422_150325_3c.jpg

790x422_150325_3c.jpg

97 ms

790x422_150317_spring.jpg

790x422_150317_spring.jpg

96 ms

790x422_150401_home.jpg

790x422_150401_home.jpg

104 ms

logo.png

logo.png

249 ms

pettant.png

pettant.png

248 ms

ga.js

ga.js

30 ms

sumtotals

sumtotals

472 ms

stores_19_serum-ngan-ngua-lao-hoa-nhau-thai-cuu-dam-dac-01-thumbs.jpg

stores_19_serum-ngan-ngua-lao-hoa-nhau-thai-cuu-dam-dac-01-thumbs.jpg

265 ms

stores_19_Kem-nang-co-chong-nhan-da-Dr-Dermax-LS32-01-thumbs.jpg

stores_19_Kem-nang-co-chong-nhan-da-Dr-Dermax-LS32-01-thumbs.jpg

739 ms

stores_19_bo-san-pham-tri-nam-da-va-lam-trang-LB63-01-thumbs.jpg

stores_19_bo-san-pham-tri-nam-da-va-lam-trang-LB63-01-thumbs.jpg

242 ms

stores_19_sua-rua-mat-tinh-chat-tra-xanh-vitamin-e-lanopearl-LA17-01-thumbs.jpg

stores_19_sua-rua-mat-tinh-chat-tra-xanh-vitamin-e-lanopearl-LA17-01-thumbs.jpg

444 ms

stores_19_tinh-dau-da-dieu-RL11-01-thumbs.jpg

stores_19_tinh-dau-da-dieu-RL11-01-thumbs.jpg

433 ms

stores_19_vien-uong-sua-ong-chua-Rebirth-RL04-01-thumbs.jpg

stores_19_vien-uong-sua-ong-chua-Rebirth-RL04-01-thumbs.jpg

720 ms

stores_19_vien-uong-nhau-thai-cuu-Rebirth-RL01-01-thumbs.jpg

stores_19_vien-uong-nhau-thai-cuu-Rebirth-RL01-01-thumbs.jpg

772 ms

stores_19_kem-chong-nhan-da-nang-co-bocenta-LB16-01-thumbs.jpg

stores_19_kem-chong-nhan-da-nang-co-bocenta-LB16-01-thumbs.jpg

680 ms

stores_19_Kem-lam-mo-tham-nam-nhau-thai-cuu-vi-ta-min-e-RB02-01-thumbs.jpg

stores_19_Kem-lam-mo-tham-nam-nhau-thai-cuu-vi-ta-min-e-RB02-01-thumbs.jpg

685 ms

stores_19_serum-ngan-ngua-lao-hoa-nhau-thai-cuu-dam-dac-01-mini.jpg

stores_19_serum-ngan-ngua-lao-hoa-nhau-thai-cuu-dam-dac-01-mini.jpg

691 ms

stores_19_Kem-nang-co-chong-nhan-da-Dr-Dermax-LS32-01-mini.jpg

stores_19_Kem-nang-co-chong-nhan-da-Dr-Dermax-LS32-01-mini.jpg

929 ms

stores_19_bo-san-pham-tri-nam-da-va-lam-trang-LB63-01-mini.jpg

stores_19_bo-san-pham-tri-nam-da-va-lam-trang-LB63-01-mini.jpg

932 ms

stores_19_sua-rua-mat-tinh-chat-tra-xanh-vitamin-e-lanopearl-LA17-01-mini.jpg

stores_19_sua-rua-mat-tinh-chat-tra-xanh-vitamin-e-lanopearl-LA17-01-mini.jpg

935 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1200 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2956 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

rao.vn accessibility score

68

Accessibility Issues

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

Document doesn't have a <title> element

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

rao.vn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

rao.vn SEO score

55

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rao.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Rao.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

rao.vn

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