Access nedfon.coowor.com. GUANGDONG NEDFON AIR SYSTEM CO., LTD.

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

nedfon.coowor.com

700 ms

nedfon.coowor.com

1938 ms

hm.js

977 ms

atrk.js

3 ms

push.js

1252 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 77% of them (41 requests) were addressed to the original Nedfon.coowor.com, 15% (8 requests) were made to Img.coowor.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (7.4 sec) relates to the external source Img.coowor.com.

Content Size

760.1 kB

After Optimization

488.6 kB

In fact, the total size of Nedfon.coowor.com main page is 760.1 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. 25% of websites need less resources to load. Images take 488.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 96.8 kB

Original 122.3 kB
After minification 109.4 kB
After compression 25.5 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 12.9 kB, which is 11% 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 96.8 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 59.3 kB

Original 488.6 kB
After minification 429.3 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. Obviously, NEDFON CO Owor needs image optimization as it can save up to 59.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 18 B

Original 261 B
After minification 261 B
After compression 243 B

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

-77%

Potential reduce by 115.4 kB

Original 148.9 kB
After minification 127.5 kB
After compression 33.5 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. Nedfon.coowor.com needs all CSS files to be minified and compressed as it can save up to 115.4 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NEDFON CO Owor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

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

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 Nedfon.coowor.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 Nedfon.coowor.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

nedfon.coowor.com

Open Graph description is not detected on the main page of NEDFON CO Owor. 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

GUANGDONG NEDFON AIR SYSTEM CO., LTD. - air curtain,household exhaust fan

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

nedfon.coowor.com

nedfon.coowor.com

hm.js

atrk.js

push.js

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

nedfon.coowor.com

nedfon.coowor.com

hm.js

atrk.js

push.js

index.css

Reset.css

cssstyles.css

indexstyle.css

font.css

jquery-1.8.3.min.js

shop-index.css

shop-index.js

jquery.lazyload.js;jsessionid=B3D83BA9A5354C9EA5223F8670AF6547

jquery.scrollLoading.js;jsessionid=B3D83BA9A5354C9EA5223F8670AF6547

jquery.tmpl.min.js;jsessionid=B3D83BA9A5354C9EA5223F8670AF6547

shop-header.css

shop-header.js

product_priceRange.js

bootstrap.min.css

bootstrap-wysihtml5.css

jquery.blockUI.js

util.js

hm.gif

20160706162331GSMV.jpg

up.png

logo.gif

unit_public.png

shop_collect1.png

search_btn.png

icon_03.png

icon_05.png

icon_07.png

iconleft_03.png

iconleft_08.png

iconleft_10.png

iconleft2_03.png

iconleft2_hot.png

20160706172616D3A0.png

20160706162113KPUN.jpg

20160706162113KVAB.jpg

20160706162111WE7L.jpg

shop_publish_years.png