Access chacnich.com. Hệ Thống Cửa Hàng Bao Cao Su Chắc Nịch

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.442

21/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

chacnich.com

709 ms

jquery-1.11.3.min.js

565 ms

js.js

521 ms

menu.js

544 ms

menu.css

765 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 79% of them (65 requests) were addressed to the original Chacnich.com, 10% (8 requests) were made to Apis.google.com and 4% (3 requests) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (10.2 sec) belongs to the original domain Chacnich.com.

Content Size

5.3 MB

After Optimization

4.8 MB

In fact, the total size of Chacnich.com main page is 5.3 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. 60% of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 50.6 kB

Original 61.3 kB
After minification 49.0 kB
After compression 10.7 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 12.4 kB, which is 20% 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 50.6 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 328.0 kB

Original 5.1 MB
After minification 4.7 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. Chacnich images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 112.6 kB

Original 179.0 kB
After minification 175.4 kB
After compression 66.4 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 112.6 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 18.8 kB

Original 23.3 kB
After minification 19.9 kB
After compression 4.5 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. Chacnich.com needs all CSS files to be minified and compressed as it can save up to 18.8 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chacnich. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts 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

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

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

VI
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chacnich.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 Chacnich.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

chacnich.com

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

Hệ Thống Cửa Hàng Bao Cao Su Chắc Nịch

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

chacnich.com

jquery-1.11.3.min.js

js.js

menu.js

menu.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

chacnich.com

jquery-1.11.3.min.js

js.js

menu.js

menu.css

dinhdangchung.css

plusone.js

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