Tools & Wizards About Us
optfan.net screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

optfan.net

China hvls industrial ceiling fans,pmsm motor fans, commercial ceiling fans, mobile standing fans Manufacturers and Factory - Suzhou Optimal Machinery...

Page Load Speed

5.5 sec in total

First Response

402 ms

Resources Loaded

4.8 sec

Page Rendered

371 ms

optfan.net screenshot

About Website

Visit optfan.net now to see the best up-to-date Optfan content and also check out these interesting facts you probably never knew about optfan.net

OPTFANS: China professional manufacturer of various hvls industrial ceiling fans,pmsm motor fans, commercial ceiling fans, mobile standing fans. You can source high quality fans for sale at competitiv...

Visit optfan.net

Key Findings

We analyzed Optfan.net page load time and found that the first response time was 402 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

optfan.net performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

65/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

optfan.net

402 ms

www.optfan.net

530 ms

swiper.min.css

259 ms

animate.css

285 ms

style.css

305 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 51% of them (39 requests) were addressed to the original Optfan.net, 18% (14 requests) were made to Img01.v15cdn.com and 14% (11 requests) were made to Css02.v15cdn.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Optfan.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.3 kB (5%)

Content Size

2.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optfan.net main page is 2.6 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. 35% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 41.9 kB

  • Original 51.3 kB
  • After minification 49.3 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 41.9 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 34.9 kB

  • Original 2.4 MB
  • After minification 2.4 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. Optfan images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 56.9 kB

  • Original 126.7 kB
  • After minification 126.7 kB
  • After compression 69.7 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 56.9 kB or 45% of the original size.

CSS Optimization

-3%

Potential reduce by 469 B

  • Original 15.6 kB
  • After minification 15.6 kB
  • After compression 15.2 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. Optfan.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (41%)

Requests Now

74

After Optimization

44

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optfan. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

optfan.net

optfan.net

402 ms

www.optfan.net

www.optfan.net

530 ms

swiper.min.css

swiper.min.css

259 ms

animate.css

animate.css

285 ms

style.css

style.css

305 ms

jquery.js

jquery.js

269 ms

sitecommon.js

sitecommon.js

269 ms

style.js

style.js

316 ms

other.css

other.css

75 ms

Site_Common.js

Site_Common.js

267 ms

swiper.min.js

swiper.min.js

273 ms

count2.js

count2.js

267 ms

rvc.js

rvc.js

357 ms

float17158.js

float17158.js

149 ms

Other.js

Other.js

224 ms

js

js

60 ms

js

js

121 ms

js

js

113 ms

logo202204111527410533057.png

logo202204111527410533057.png

130 ms

xin.png

xin.png

41 ms

amore.webp

amore.webp

339 ms

dianhua.png

dianhua.png

28 ms

nav_icon.png

nav_icon.png

114 ms

next.png

next.png

115 ms

hm1.png

hm1.png

124 ms

hm2.png

hm2.png

122 ms

hm3.png

hm3.png

124 ms

hm4.png

hm4.png

123 ms

hm5.png

hm5.png

122 ms

arrow_top.jpg

arrow_top.jpg

124 ms

ba202204121519345520953.jpg

ba202204121519345520953.jpg

3498 ms

ba202204121533534427111.jpg

ba202204121533534427111.jpg

1177 ms

ba202204121538192552519.jpg

ba202204121538192552519.jpg

1042 ms

extra-large-ceiling-fans32331558992.jpg

extra-large-ceiling-fans32331558992.jpg

296 ms

large-industrial-ceiling-fans41460402797.jpg

large-industrial-ceiling-fans41460402797.jpg

300 ms

hvls-big-ass-industrial-6-blade-ceilingdbf604ee-bd20-4a54-aa1c-2aa23d40b032.jpg

hvls-big-ass-industrial-6-blade-ceilingdbf604ee-bd20-4a54-aa1c-2aa23d40b032.jpg

395 ms

free-standing-mobile-hvls-fan33217778674.jpg

free-standing-mobile-hvls-fan33217778674.jpg

431 ms

industrial-ceiling-fans-for-garage42014224564.jpg

industrial-ceiling-fans-for-garage42014224564.jpg

469 ms

hvls-commercial-industrial-big-ceiling-fan45476472233.jpg

hvls-commercial-industrial-big-ceiling-fan45476472233.jpg

578 ms

high-volume-ceiling-fans10323688453.jpg

high-volume-ceiling-fans10323688453.jpg

606 ms

big-outdoor-ceiling-fans27555714306.jpg

big-outdoor-ceiling-fans27555714306.jpg

539 ms

mobile-standing-fan30206114172.jpg

mobile-standing-fan30206114172.jpg

635 ms

hvls-giant-fans-for-school51193661242.png

hvls-giant-fans-for-school51193661242.png

886 ms

201908061024486041549.png

201908061024486041549.png

708 ms

201908061024482812304.png

201908061024482812304.png

777 ms

201908061024481055641.png

201908061024481055641.png

778 ms

201908061024486669145.png

201908061024486669145.png

844 ms

n202008061711153640732.jpg

n202008061711153640732.jpg

895 ms

calendar.png

calendar.png

914 ms

n202311171026185915018.png

n202311171026185915018.png

1105 ms

n202311101132552989836.png

n202311101132552989836.png

1102 ms

n202111011632365394914.jpg

n202111011632365394914.jpg

1206 ms

n202012211419342546422.png

n202012211419342546422.png

1365 ms

n202008041326058393279.jpg

n202008041326058393279.jpg

1284 ms

next.png

next.png

1179 ms

erwei201901021302558021018.jpg

erwei201901021302558021018.jpg

1252 ms

en.webp

en.webp

327 ms

tr.webp

tr.webp

326 ms

cz.webp

cz.webp

326 ms

bg.webp

bg.webp

328 ms

my.webp

my.webp

328 ms

fj.webp

fj.webp

331 ms

hu.webp

hu.webp

335 ms

af.webp

af.webp

333 ms

sk.webp

sk.webp

334 ms

srla.webp

srla.webp

337 ms

ba.webp

ba.webp

335 ms

dk.webp

dk.webp

340 ms

s

s

1242 ms

hm1.png

hm1.png

1229 ms

hm2.png

hm2.png

1280 ms

hm3.png

hm3.png

1298 ms

hm4.png

hm4.png

1298 ms

2023111416043078fa29f05855464abd1f77389c2a93f9.png

2023111416043078fa29f05855464abd1f77389c2a93f9.png

1316 ms

2023111416055969b17fb0b18d4eb99819688b01f4b4a7.png

2023111416055969b17fb0b18d4eb99819688b01f4b4a7.png

1364 ms

wmkc-ico24.webp

wmkc-ico24.webp

278 ms

Accessibility Review

optfan.net accessibility score

93

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

optfan.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

optfan.net SEO score

92

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Optfan.net 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 Optfan.net 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

optfan.net

Open Graph data is detected on the main page of Optfan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: