Access cndahua.com. China Grinding Wheel,Cutting Wheel,Grinding Disc,Cutting Disc Manufacturer & Supplier

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

cndahua.com

777 ms

cndahua.com

498 ms

jQuery-2.2.0.min.js

1269 ms

font-awesome.min.css

1214 ms

glyphicons-halflings.css

1217 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 82% of them (63 requests) were addressed to the original Cndahua.com, 10% (8 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Cndahua.com.

Content Size

2.7 MB

After Optimization

2.5 MB

In fact, the total size of Cndahua.com main page is 2.7 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. 45% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 33.5 kB

Original 40.2 kB
After minification 31.5 kB
After compression 6.7 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 8.7 kB, which is 22% 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 33.5 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 177.1 kB

Original 2.4 MB
After minification 2.2 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. Cn Dahua images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.7 kB

Original 215.1 kB
After minification 214.9 kB
After compression 210.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 4.2 kB

Original 68.0 kB
After minification 68.0 kB
After compression 63.7 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. Cndahua.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Dahua. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 16 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

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

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

EN
Language Claimed

EN
Encoding

UTF-8

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

cndahua.com

Open Graph description is not detected on the main page of Cn Dahua. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

China Grinding Wheel,Cutting Wheel,Grinding Disc,Cutting Disc Manufacturer & Supplier - Dahua

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

cndahua.com

cndahua.com

jQuery-2.2.0.min.js

font-awesome.min.css

glyphicons-halflings.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

cndahua.com

cndahua.com

jQuery-2.2.0.min.js

font-awesome.min.css

glyphicons-halflings.css

bootstrap.min.js

swiper.min.css

swiper.min.js

common.css

json2.js

common.min.js

stat.js

bootstrap.min.css

owl.carousel.min.css

animate.min.css

magnific-popup.css

meanmenu.css

fontawesome-all.min.css

slick.css

themify-icons.css

default.css

style.css

responsive.css

modernizr-3.5.0.min.js

waypoints.min.js

jquery.counterup.min.js

owl.carousel.min.js

isotope.pkgd.min.js

jquery.meanmenu.min.js

slick.min.js

wow.min.js

jquery.scrollUp.min.js

imagesloaded.pkgd.min.js

jquery.magnific-popup.min.js

plugins.js

main.js

css

logo.png

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