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Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cleva.com

Best Cleva Vacuum Cleaner Supplier, Wet And Dry Vacuum Cleaners Wholesale

Page Load Speed

4.5 sec in total

First Response

1.6 sec

Resources Loaded

2.8 sec

Page Rendered

122 ms

About Website

Click here to check amazing Cleva content. Otherwise, check out these important facts you probably never knew about cleva.com

Suzhou Cleva Electric Appliance Co., Ltd was founded in 2003 and quickly became the biggest supplier of best quality wet and dry vacuum cleaners wholesale in China, with the brands of vacmaster vacuum...

Visit cleva.com

Key Findings

We analyzed Cleva.com page load time and found that the first response time was 1.6 sec and then it took 2.9 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

cleva.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

39/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.303

39/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

www.cleva.com

1577 ms

base.css

10 ms

NotoSans_Bold.css

23 ms

base.js

24 ms

redirectByIp.js

23 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 85% of them (22 requests) were addressed to the original Cleva.com, 8% (2 requests) were made to Googletagmanager.com and 4% (1 request) were made to Img80002852.weyesimg.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Cleva.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 129.8 kB (36%)

Content Size

355.8 kB

After Optimization

226.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Cleva.com main page is 355.8 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. 40% of websites need less resources to load. Javascripts take 194.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 94.9 kB

  • Original 115.0 kB
  • After minification 90.2 kB
  • After compression 20.2 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 24.9 kB, which is 22% 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 94.9 kB or 82% of the original size.

JavaScript Optimization

-17%

Potential reduce by 33.7 kB

  • Original 194.1 kB
  • After minification 194.1 kB
  • After compression 160.4 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 33.7 kB or 17% of the original size.

CSS Optimization

-3%

Potential reduce by 1.3 kB

  • Original 46.6 kB
  • After minification 46.6 kB
  • After compression 45.3 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. Cleva.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (88%)

Requests Now

24

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cleva. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cleva.com accessibility score

59

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

Links do not have a discernible name

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

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

cleva.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

High

Page has valid source maps

SEO Factors

cleva.com SEO score

100

Search Engine Optimization Advices

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