Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cnmarinefan.com

QINGDAO YAOSEN MARINE EQUIPMENT CO.,LTD. - MARINE FAN,INDUSTRIAL FAN,AXIAL FLOW FAN,CENTRIFUGAL FAN,SUPPLY FAN,EXHAUST FAN,EXPLOSION-PROOF FAN,OTHER V...

Page Load Speed

2.7 sec in total

First Response

386 ms

Resources Loaded

1.9 sec

Page Rendered

437 ms

cnmarinefan.com screenshot

About Website

Click here to check amazing Cn MARINE FAN content. Otherwise, check out these important facts you probably never knew about cnmarinefan.com

Qingdao Yaosen Marine Equipment Co.,Ltd.is a professional company specialized in manufacturing marine or navy fans,Industrial fans,Marine Mushroom Vent head, Gooseneck ventilator,Louver and other vent...

Visit cnmarinefan.com

Key Findings

We analyzed Cnmarinefan.com page load time and found that the first response time was 386 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cnmarinefan.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.266

46/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

cnmarinefan.com

386 ms

main.css

141 ms

style.css

204 ms

custom_service_on.css

134 ms

custom_service_off.css

135 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that all of those requests were addressed to Cnmarinefan.com and no external sources were called. The less responsive or slowest element that took the longest time to load (975 ms) belongs to the original domain Cnmarinefan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 529.5 kB (12%)

Content Size

4.4 MB

After Optimization

3.9 MB

In fact, the total size of Cnmarinefan.com main page is 4.4 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. 60% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 35.1 kB

  • Original 41.8 kB
  • After minification 37.1 kB
  • After compression 6.7 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 4.7 kB, which is 11% 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 35.1 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 410.1 kB

  • Original 4.1 MB
  • After minification 3.7 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. Cn MARINE FAN images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 58.9 kB

  • Original 211.9 kB
  • After minification 211.9 kB
  • After compression 153.0 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 58.9 kB or 28% of the original size.

CSS Optimization

-41%

Potential reduce by 25.4 kB

  • Original 61.8 kB
  • After minification 61.8 kB
  • After compression 36.3 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. Cnmarinefan.com needs all CSS files to be minified and compressed as it can save up to 25.4 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (40%)

Requests Now

58

After Optimization

35

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn MARINE FAN. 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 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cnmarinefan.com accessibility score

36

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

[id] attributes on active, focusable elements are not unique

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

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

Form elements do not have associated labels

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

cnmarinefan.com best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cnmarinefan.com SEO score

83

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnmarinefan.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cnmarinefan.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

Open Graph description is not detected on the main page of Cn MARINE FAN. 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: