Tools & Wizards About Us
dereike.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dereike.com

Side channel blowers,Ring blower,air blower manufacturers - Dereike

Page Load Speed

13.5 sec in total

First Response

370 ms

Resources Loaded

12.7 sec

Page Rendered

499 ms

dereike.com screenshot

About Website

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

Dereike is a manufacturer specializing in R&D, production and sales of Side channel blowers. We can provide customers with high-quality Ring blower solutions.

Visit dereike.com

Key Findings

We analyzed Dereike.com page load time and found that the first response time was 370 ms and then it took 13.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

dereike.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.194

63/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

dereike.com

370 ms

dereike.com

360 ms

js

77 ms

swiper.min.css

46 ms

font_1359887_8bfuiefozja.css

101 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 58% of them (33 requests) were addressed to the original Dereike.com, 23% (13 requests) were made to Embed.tawk.to and 11% (6 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (11.3 sec) belongs to the original domain Dereike.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 135.8 kB (6%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dereike.com main page is 2.2 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. 25% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 22.9 kB

  • Original 30.1 kB
  • After minification 26.3 kB
  • After compression 7.2 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 3.9 kB, which is 13% 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 22.9 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 87.1 kB

  • Original 2.0 MB
  • After minification 1.9 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. Dereike images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 23.7 kB

  • Original 174.0 kB
  • After minification 174.0 kB
  • After compression 150.3 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 23.7 kB or 14% of the original size.

CSS Optimization

-11%

Potential reduce by 2.1 kB

  • Original 18.8 kB
  • After minification 18.8 kB
  • After compression 16.7 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. Dereike.com needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (43%)

Requests Now

53

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dereike. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dereike.com

dereike.com

370 ms

dereike.com

dereike.com

360 ms

js

js

77 ms

swiper.min.css

swiper.min.css

46 ms

font_1359887_8bfuiefozja.css

font_1359887_8bfuiefozja.css

101 ms

style.css

style.css

96 ms

pstyle.css

pstyle.css

201 ms

swiper.min.js

swiper.min.js

60 ms

jquery.min.js

jquery.min.js

59 ms

iscroll.min.js

iscroll.min.js

65 ms

drawer.min.js

drawer.min.js

60 ms

drawer.min.css

drawer.min.css

28 ms

default

default

156 ms

gtm.js

gtm.js

92 ms

logo.png

logo.png

92 ms

1-2404011G300394.jpg

1-2404011G300394.jpg

3565 ms

1-2404011G232648.jpg

1-2404011G232648.jpg

5211 ms

pres.png

pres.png

648 ms

nexts.png

nexts.png

653 ms

1-2004141129253M.jpg

1-2004141129253M.jpg

897 ms

1-200414141252b3.jpg

1-200414141252b3.jpg

938 ms

1-2004141129591Y.jpg

1-2004141129591Y.jpg

1406 ms

1-200414111156462.jpg

1-200414111156462.jpg

1438 ms

1-200414111624247.jpg

1-200414111624247.jpg

1706 ms

banner_bgi.jpg

banner_bgi.jpg

1782 ms

blackbg.png

blackbg.png

1599 ms

1-221129162533F4.jpg

1-221129162533F4.jpg

1763 ms

1-22120116030S42.jpg

1-22120116030S42.jpg

2577 ms

1-221201160230443.jpg

1-221201160230443.jpg

2667 ms

1-221201160139495.jpg

1-221201160139495.jpg

2412 ms

1-22120116005TG.jpg

1-22120116005TG.jpg

2559 ms

1-221129162612494.jpg

1-221129162612494.jpg

2702 ms

1-20040Q54T0920.jpg

1-20040Q54T0920.jpg

3266 ms

1-221129162115556.jpg

1-221129162115556.jpg

2964 ms

banner.jpg

banner.jpg

3151 ms

blower%203D.jpg

blower%203D.jpg

3230 ms

1-240926164553433.png

1-240926164553433.png

11284 ms

1-2409111546080-L.png

1-2409111546080-L.png

10931 ms

1-240912101201623.png

1-240912101201623.png

9408 ms

1-2404241ASI24.jpg

1-2404241ASI24.jpg

6281 ms

foot.jpg

foot.jpg

7823 ms

qrcode.png

qrcode.png

6224 ms

font_1359887_8bfuiefozja.woff

font_1359887_8bfuiefozja.woff

388 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

47 ms

mstyle.css

mstyle.css

102 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

134 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

61 ms

twk-event-polyfill.js

twk-event-polyfill.js

156 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

67 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

59 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

169 ms

twk-main.js

twk-main.js

110 ms

twk-vendor.js

twk-vendor.js

158 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

203 ms

twk-chunk-common.js

twk-chunk-common.js

238 ms

twk-runtime.js

twk-runtime.js

191 ms

twk-app.js

twk-app.js

215 ms

Accessibility Review

dereike.com accessibility score

79

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.

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

High

Links do not have a discernible name

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>).

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.

Best Practices

dereike.com best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dereike.com SEO score

83

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

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 Dereike.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 Dereike.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

dereike.com

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