Access air-filtech.com. air filter,bag filter,Hepa filter,carbon filter,pre filter Manufacturers & Suppliers

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

www.air-filtech.com

553 ms

ae.js

328 ms

minisite.js

197 ms

commons.js

132 ms

onshowbig.js

133 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 95% of them (93 requests) were addressed to the original Air-filtech.com, 2% (2 requests) were made to Netcec.com and 1% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (924 ms) relates to the external source Netcec.com.

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Air-filtech.com main page is 1.6 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 46.3 kB

Original 55.7 kB
After minification 52.2 kB
After compression 9.4 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 46.3 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 68.8 kB

Original 1.3 MB
After minification 1.2 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. Airfiltech images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 173.3 kB

Original 249.5 kB
After minification 239.2 kB
After compression 76.2 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 173.3 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 40.1 kB

Original 48.1 kB
After minification 43.0 kB
After compression 8.0 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. Air-filtech.com needs all CSS files to be minified and compressed as it can save up to 40.1 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Airfiltech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 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

Form elements do not have associated labels

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 are opportunities to improve the interpretation of your content by users in different locales.

High

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

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

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

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Air-filtech.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Air-filtech.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

air-filtech.com

Open Graph description is not detected on the main page of Airfiltech. 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

air filter,bag filter,Hepa filter,carbon filter,pre filter Manufacturers & Suppliers - Shanghai Airfiltech Co.,Ltd

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

www.air-filtech.com

ae.js

minisite.js

commons.js

onshowbig.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

www.air-filtech.com

ae.js

minisite.js

commons.js

onshowbig.js

register.js

cps.js

slideshow.js

slideshow.css

common.css

online_blue.css

blue-css.css

basket.html

jquery-1.8.3.min.js

jquery.luara.min.js

luara.css

Common_Footer_in.js

addthis_widget.js

17442822.js

skypeCheck40.js

ico2.jpg

kewordbg.gif

inquiry_basket.gif

ico_en.jpg

top1417433832.jpg

top1418287281.jpg

top1416299633.jpg

top1417599648.jpg

top1418102748.jpg

ico-left.gif

main_55.jpg

pinterest-icon.gif

share.gif

pro1415263115.jpg

com1415259420.jpg

com1415259635.jpg

send-inqure-now.jpg

view-company-profile.jpg

ico1.jpg

V-bank--V-shape-activated-carbon-filter-1447038596-1.jpg

Activated-carbon-Flat-Panel-Filter-for-air-filter-1437629184-0.jpg

Painting-Booth-air-filter-media-1437628726-0.jpg

water-dispenser-1433150267-0.jpg