Access jywvina.com. Bộ lưu điện, biến tần, biến áp Jywvina | Đại lý phân phối hàng đầu Việt Nam

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value27.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.625

10/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

jywvina.com

1524 ms

jywvina.com

13672 ms

js

61 ms

jquery.fancybox.min.css

1105 ms

slick.css

1162 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 99% of them (91 requests) were addressed to the original Jywvina.com, 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (13.7 sec) belongs to the original domain Jywvina.com.

Content Size

1.9 MB

After Optimization

1.3 MB

In fact, the total size of Jywvina.com main page is 1.9 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 355.6 kB

Original 455.5 kB
After minification 448.4 kB
After compression 100.0 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 355.6 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 53.9 kB

Original 1.2 MB
After minification 1.1 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. Jywvina images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 180.2 kB

Original 242.5 kB
After minification 202.1 kB
After compression 62.3 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 180.2 kB or 74% of the original size.

CSS Optimization

-89%

Potential reduce by 46.2 kB

Original 51.6 kB
After minification 20.5 kB
After compression 5.4 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. Jywvina.com needs all CSS files to be minified and compressed as it can save up to 46.2 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jywvina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

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.

These are opportunities to improve the legibility of your content.

High

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

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jywvina.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Vietnamese language. Our system also found out that Jywvina.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

jywvina.com

Open Graph data is detected on the main page of Jywvina. 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

Bộ lưu điện, biến tần, biến áp Jywvina | Đại lý phân phối hàng đầu Việt Nam

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

jywvina.com

jywvina.com

js

jquery.fancybox.min.css

slick.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

jywvina.com

jywvina.com

js

jquery.fancybox.min.css

slick.css

Style.css

jquery-1.9.1.min.js

slick.js

jquery.fancybox.min.js

main.js

common_code.js

Responsive.css

log_637514852718778537.png

phone.png

email.png

search.png

home1.png

Banner-UP_638358116988268248.png

slid_637514854827016030.jpg

NCX-10-60k-1-png-pagespeed-ce-5JqWSVEfYN.png

liebert-gxt5-micro-ups.png

pic-Product-images-HR11-20Series-20Rack-20Online-20UPS-201_10kVA.jpg

HT11-Series-Tower-Online-UPS-1-3kVA.jpg

pic-Product-images-HT11-20Series-20Tower-20Online-20UPS-206-20kVA.jpg

bien-tan-LS-SV015IC5-1-15kw-7A-300x300.jpg

kd-design-526-jpg-pagespeed-ce-08SkbbgYqG.jpg

kd-design-529-png-pagespeed-ce-MNiKIEdPOA.png

kd-design-528-png-pagespeed-ce-MNiKIEdPOA.png

bien-tan.png

On-ap-1-pha-STANDA-dai-90V-250V.jpg

http-jywvina-tatthanh-info-pic-Product-images-637532965220694099.jpg

pic-Product-images-100-KVA-3-phase-copy-1.jpg

pic-Product-images-3pha-web.jpg

on-ap-lioa-sh-500-2-4700.jpg

bien-ap-standa-20kva.jpg

bien-ap-standa-10kva-3-pha.jpg

bien-ap-standa-15kva-3f.jpg

bien-ap-standa-30kva.jpg

bien-ap-tu-ngau-standa-50kva.jpg

kd-design-454-300x97.jpg

pic-Product-images-client_upload_11_1445250037994.png

pic-Product-images-cm4373-01.png

lenovo.jpg