Tools & Wizards About Us
qdiflow.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

qdiflow.com

Water , Oil&Gas , Fire Fighting , Marine , Actuator-Qingdao I-Flow Co., Ltd

Page Load Speed

3.4 sec in total

First Response

389 ms

Resources Loaded

2.4 sec

Page Rendered

577 ms

qdiflow.com screenshot

About Website

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

I-Flow has been specializing in flow control area for more than 15 years. As a professional supply chain manager of flow control products, I-Flow offer gate,globe,check,butterfly,ball, JIS and DIN mar...

Visit qdiflow.com

Key Findings

We analyzed Qdiflow.com page load time and found that the first response time was 389 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

qdiflow.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.189

65/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

qdiflow.com

389 ms

qdiflow.com

307 ms

www.qdiflow.com

769 ms

global.js

321 ms

jquery-3.1.1.min.js

333 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 7% of them (3 requests) were addressed to the original Qdiflow.com, 91% (40 requests) were made to Usimg.bjyyb.net and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (974 ms) relates to the external source Usimg.bjyyb.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.3 kB (12%)

Content Size

898.2 kB

After Optimization

793.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Qdiflow.com main page is 898.2 kB. 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 696.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 97.1 kB

  • Original 119.3 kB
  • After minification 118.8 kB
  • After compression 22.2 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. 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 97.1 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 7.0 kB

  • Original 696.6 kB
  • After minification 689.6 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. Qdi Flow images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 124 B

  • Original 80.3 kB
  • After minification 80.3 kB
  • After compression 80.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 88 B

  • Original 2.1 kB
  • After minification 2.1 kB
  • After compression 2.0 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. Qdiflow.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (50%)

Requests Now

40

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qdi Flow. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

qdiflow.com

qdiflow.com

389 ms

qdiflow.com

qdiflow.com

307 ms

www.qdiflow.com

www.qdiflow.com

769 ms

global.js

global.js

321 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

333 ms

control.css

control.css

324 ms

jquery.bxslider.min.css

jquery.bxslider.min.css

324 ms

baguetteBox.min.css

baguetteBox.min.css

324 ms

setUpConsentMode.js

setUpConsentMode.js

974 ms

lazysizes.js

lazysizes.js

431 ms

public.js

public.js

436 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

436 ms

lightbox.js

lightbox.js

435 ms

baguetteBox.js

baguetteBox.js

438 ms

search.js

search.js

444 ms

tab.js

tab.js

451 ms

template_parse.js

template_parse.js

444 ms

handlePagination.js

handlePagination.js

443 ms

form_submit.js

form_submit.js

445 ms

hoverbox.js

hoverbox.js

453 ms

gtm.js

gtm.js

143 ms

grey.png

grey.png

84 ms

grey.png

grey.png

87 ms

grey.png

grey.png

87 ms

grey.png

grey.png

85 ms

grey.png

grey.png

86 ms

grey.png

grey.png

106 ms

icon_09.png

icon_09.png

109 ms

grey.png

grey.png

110 ms

grey.png

grey.png

111 ms

grey.png

grey.png

111 ms

grey.png

grey.png

130 ms

iconfont.ttf

iconfont.ttf

134 ms

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20220514134005992.jpg

81 ms

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20220512154337139.png

25 ms

20220512154337216.png

20220512154337216.png

27 ms

20220512154337810.png

20220512154337810.png

56 ms

20220512154337567.png

20220512154337567.png

45 ms

20220512154336645.png

20220512154336645.png

49 ms

20220527191324832.png

20220527191324832.png

148 ms

20190426113916692.png

20190426113916692.png

70 ms

20220525152411740.jpg

20220525152411740.jpg

74 ms

20220527100406886.jpg

20220527100406886.jpg

148 ms

20220527100408998.jpg

20220527100408998.jpg

142 ms

Accessibility Review

qdiflow.com accessibility score

74

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

qdiflow.com 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

qdiflow.com SEO score

86

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 uses 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 Qdiflow.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 Qdiflow.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

qdiflow.com

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