Tools & Wizards About Us
airfiltech.com screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

airfiltech.com

Hepa air filter, Heap filter, Industrial air filter manufacturer, Raw material supplier-Shanghai Sffiltech Co.,Ltd.

Page Load Speed

7.5 sec in total

First Response

393 ms

Resources Loaded

4.9 sec

Page Rendered

2.2 sec

airfiltech.com screenshot

About Website

Visit airfiltech.com now to see the best up-to-date Air Filtech content and also check out these interesting facts you probably never knew about airfiltech.com

Shanghai Sffiltech Co., Ltd, established in 1996. covering a floor area of 20,000 square meters, is a leading manutacturer of environment-friendly items, mainly air filtration and purification product...

Visit airfiltech.com

Key Findings

We analyzed Airfiltech.com page load time and found that the first response time was 393 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

airfiltech.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.32

36/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

airfiltech.com

393 ms

airfiltech.com

541 ms

main.css

507 ms

jquery.fancybox.css

528 ms

media-queries.css

529 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 89% of them (86 requests) were addressed to the original Airfiltech.com, 6% (6 requests) were made to Service-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Airfiltech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.5 kB (11%)

Content Size

2.0 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airfiltech.com main page is 2.0 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 66.3 kB

  • Original 98.2 kB
  • After minification 95.5 kB
  • After compression 31.8 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 66.3 kB or 68% of the original size.

Image Optimization

-8%

Potential reduce by 133.4 kB

  • Original 1.6 MB
  • After minification 1.5 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. Air Filtech images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.1 kB

  • Original 177.6 kB
  • After minification 177.6 kB
  • After compression 176.5 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

-26%

Potential reduce by 15.6 kB

  • Original 59.1 kB
  • After minification 57.3 kB
  • After compression 43.5 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. Airfiltech.com needs all CSS files to be minified and compressed as it can save up to 15.6 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (55%)

Requests Now

94

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Filtech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

airfiltech.com

airfiltech.com

393 ms

airfiltech.com

airfiltech.com

541 ms

main.css

main.css

507 ms

jquery.fancybox.css

jquery.fancybox.css

528 ms

media-queries.css

media-queries.css

529 ms

form.css

form.css

533 ms

gcp.js

gcp.js

327 ms

jquery.js

jquery.js

627 ms

js

js

73 ms

main.js

main.js

920 ms

cookie-policy.js

cookie-policy.js

336 ms

deepfloat.min.js

deepfloat.min.js

548 ms

js.js

js.js

577 ms

jquery.fancybox.js

jquery.fancybox.js

671 ms

slick.min.js

slick.min.js

601 ms

video.js

video.js

605 ms

index.js

index.js

624 ms

form.js

form.js

648 ms

reset.css

reset.css

171 ms

iconfont.css

iconfont.css

253 ms

public.css

public.css

199 ms

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1616117039353720.jpg

212 ms

i1.png

i1.png

193 ms

i2.png

i2.png

228 ms

search.png

search.png

89 ms

en.png

en.png

91 ms

es.png

es.png

91 ms

pt.png

pt.png

89 ms

ar.png

ar.png

193 ms

de.png

de.png

193 ms

tr.png

tr.png

194 ms

fr.png

fr.png

195 ms

ja.png

ja.png

217 ms

ru.png

ru.png

218 ms

vi.png

vi.png

218 ms

mt.png

mt.png

225 ms

ko.png

ko.png

230 ms

pl.png

pl.png

288 ms

fa.png

fa.png

290 ms

ro.png

ro.png

290 ms

yi.png

yi.png

300 ms

ga.png

ga.png

302 ms

sv.png

sv.png

305 ms

lt.png

lt.png

360 ms

uk.png

uk.png

361 ms

sq.png

sq.png

362 ms

hu.png

hu.png

374 ms

th.png

th.png

379 ms

cy.png

cy.png

380 ms

ms.png

ms.png

436 ms

be.png

be.png

436 ms

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1614563318438536.png

2728 ms

1616116984598592.jpg

1616116984598592.jpg

1458 ms

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1692429486286735.jpg

459 ms

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1616116339668055.jpg

533 ms

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504 ms

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3147 ms

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451 ms

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1616988403604065.jpg

704 ms

v1.png

v1.png

523 ms

1614566135514910.jpg

1614566135514910.jpg

528 ms

iconfont.woff

iconfont.woff

602 ms

ec_cs.js

ec_cs.js

1596 ms

matomo.js

matomo.js

291 ms

save.php

save.php

2700 ms

cookie-policy.css

cookie-policy.css

249 ms

ibg4.png

ibg4.png

504 ms

1614566111856776.jpg

1614566111856776.jpg

576 ms

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1614566083184159.jpg

578 ms

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1614566064350565.jpg

652 ms

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1614652952731200.jpg

950 ms

ibg5.png

ibg5.png

649 ms

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1383 ms

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1072 ms

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1655 ms

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1226 ms

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1989 ms

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1802 ms

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1916 ms

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2020 ms

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1939 ms

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1981 ms

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1986 ms

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2029 ms

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2000 ms

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2002 ms

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2542 ms

1614414004725860.jpg

1614414004725860.jpg

2059 ms

i9.png

i9.png

2055 ms

matomo.php

matomo.php

346 ms

i10.png

i10.png

2027 ms

i11.png

i11.png

2070 ms

configs.php

configs.php

268 ms

i12.png

i12.png

2056 ms

i14.png

i14.png

2034 ms

arrow.png

arrow.png

2049 ms

init

init

1147 ms

Accessibility Review

airfiltech.com accessibility score

86

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

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.

Impact

Issue

High

Form elements do not have associated labels

Best Practices

airfiltech.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

airfiltech.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Airfiltech.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 Airfiltech.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

airfiltech.com

Open Graph description is not detected on the main page of Air Filtech. 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: