Access loa.vn. SVHouse - Shop.Loa.com.vn nhà phân phối thiết bị âm thanh, loa, tai nghe, máy nghe nhạc, amply, gami...

name

value

score

weighting

FCP (First Contentful Paint)

Value15.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value26.0 s

0/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

shop.loa.com.vn

938 ms

jquery.bxslider.css

465 ms

jquery.fancybox.css

465 ms

ajaxaddto.css

630 ms

widgets.css

701 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Loa.vn, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (6 sec) relates to the external source Shop.loa.com.vn.

Content Size

1.5 MB

After Optimization

1.1 MB

In fact, the total size of Loa.vn main page is 1.5 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. 60% of websites need less resources to load. Images take 804.3 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 220.0 kB

Original 237.1 kB
After minification 186.5 kB
After compression 17.1 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 50.6 kB, which is 21% 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 220.0 kB or 93% of the original size.

Image Optimization

-16%

Potential reduce by 126.2 kB

Original 804.3 kB
After minification 678.1 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. Obviously, Loa needs image optimization as it can save up to 126.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 33.7 kB

Original 313.7 kB
After minification 311.5 kB
After compression 280.0 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 33.7 kB or 11% of the original size.

CSS Optimization

-19%

Potential reduce by 18.3 kB

Original 98.1 kB
After minification 95.1 kB
After compression 79.8 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. Loa.vn needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 19% of the original size.

Requests Now

104

After Optimization

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Loa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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.

High

Links do not have a discernible name

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

High

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

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

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 Loa.vn 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 Loa.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

loa.vn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

SVHouse - Shop.Loa.com.vn nhà phân phối thiết bị âm thanh, loa, tai nghe, máy nghe nhạc, amply, gaming gear nhập khẩu chính hãng

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

shop.loa.com.vn

jquery.bxslider.css

jquery.fancybox.css

ajaxaddto.css

widgets.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

shop.loa.com.vn

jquery.bxslider.css

jquery.fancybox.css

ajaxaddto.css

widgets.css

amlabel.css

popup.css

standard.css

samanta.css

advancedslider.css

bootstrap.min.css

bootstrap-theme.min.css

styles.css

max-991.css

max-767.css

selectbox.css

jquery-ui-1.10.3.min.css

design_default.css

settings_default.css

settings.css

prototype.js

ccard.js

validation.js

builder.js

effects.js

dragdrop.js

controls.js

slider.js

js.js

form.js

menu.js

translate.js

cookies.js

lightbox.js

jquery-1.12.3.min.js

css

jquery-migrate-1.4.1.min.js

jquery-noconflict.js

jquery-ui-1.10.3.min.js

bootstrap-3.0.0.min.js

html5shiv.js

respond.min.js

jquery.selectbox.js