Tools & Wizards About Us
tkfan.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tkfan.com

Company Overview - Shenzhen Tengkai Special Electrical Co., Ltd.

Page Load Speed

23.7 sec in total

First Response

782 ms

Resources Loaded

21.7 sec

Page Rendered

1.2 sec

tkfan.com screenshot

About Website

Welcome to tkfan.com homepage info - get ready to check Tkfan best content right away, or after learning these important things about tkfan.com

Shenzhen Tengkai Special Electrical Co., Ltd. Products:DC Fan/ Blower Fan/ Centrifugal Fan/ High Pressure Turbine Fan/ Mini Fan

Visit tkfan.com

Key Findings

We analyzed Tkfan.com page load time and found that the first response time was 782 ms and then it took 22.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tkfan.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value4,900 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value27.9 s

0/100

10%

Network Requests Diagram

tkfan.com

782 ms

58 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

71 ms

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335 ms

H401a3f11cd514d6aa6342695c7604dfbe.jpg

102 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tkfan.com, 34% (24 requests) were made to Sc02.alicdn.com and 20% (14 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 946.9 kB (40%)

Content Size

2.3 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tkfan.com main page is 2.3 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. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 657.6 kB

  • Original 768.0 kB
  • After minification 767.1 kB
  • After compression 110.4 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 657.6 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 4.3 kB

  • Original 440.4 kB
  • After minification 436.1 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. Tkfan images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 285.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 847.3 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 285.0 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (48%)

Requests Now

64

After Optimization

33

  • AJAX
  • Images
  • JavaScript

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tkfan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tkfan.com

tkfan.com

782 ms

58 ms

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O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

71 ms

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335 ms

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102 ms

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321 ms

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298 ms

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28 ms

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64 ms

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29 ms

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284 ms

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298 ms

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2490 ms

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707 ms

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712 ms

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673 ms

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758 ms

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653 ms

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1022 ms

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1035 ms

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1089 ms

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1142 ms

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1364 ms

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1385 ms

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471 ms

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281 ms

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281 ms

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281 ms

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280 ms

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379 ms

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596 ms

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452 ms

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475 ms

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668 ms

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500 ms

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562 ms

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825 ms

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644 ms

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1107 ms

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853 ms

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757 ms

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1437 ms

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1128 ms

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1266 ms

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1241 ms

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1055 ms

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1333 ms

62 ms

renderHeader.js

renderHeader.js

52 ms

awsc.js

awsc.js

64 ms

15 ms

eg.js

eg.js

282 ms

et_n.js

et_n.js

16 ms

um.js

um.js

9 ms

wu.json

wu.json

19 ms

7.gif

7.gif

41 ms

index.js

index.js

48 ms

index.js

index.js

71 ms

um.json

um.json

58 ms

fsp.1.1

fsp.1.1

460 ms

baxiaCommon.js

baxiaCommon.js

43 ms

wcfg.json

wcfg.json

1307 ms

rp

rp

20476 ms

fsp.1.1

fsp.1.1

633 ms

ts

ts

20468 ms

getUmid.do

getUmid.do

20 ms

ts

ts

20454 ms

error1.html

error1.html

115 ms

error1.html

error1.html

74 ms

error404.htm

error404.htm

349 ms

sc.aplus.err

sc.aplus.err

4 ms

Accessibility Review

tkfan.com accessibility score

67

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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.

Internationalization and localization

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

Impact

Issue

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

tkfan.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

tkfan.com SEO score

79

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 doesn't use 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 Tkfan.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 Tkfan.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

tkfan.com

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