Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

seaheart.m.en.alibaba.com

Beijing Sea Heart International Science And Technology Co., Ltd. - Vacuum Cavitation System, RF Equipment

Page Load Speed

3.2 sec in total

First Response

607 ms

Resources Loaded

2.4 sec

Page Rendered

179 ms

seaheart.m.en.alibaba.com screenshot

About Website

Welcome to seaheart.m.en.alibaba.com homepage info - get ready to check Sea Heart M En Alibaba best content for China right away, or after learning these important things about seaheart.m.en.alibaba.com

Beijing Sea Heart International Science And Technology Co., Ltd., Experts in Manufacturing and Exporting Vacuum Cavitation System, RF Equipment and 0 more Products.

Visit seaheart.m.en.alibaba.com

Key Findings

We analyzed Seaheart.m.en.alibaba.com page load time and found that the first response time was 607 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

seaheart.m.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value6,680 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

Network Requests Diagram

seaheart.m.en.alibaba.com

607 ms

seaheart.m.en.alibaba.com

246 ms

60 ms

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

31 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

152 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Seaheart.m.en.alibaba.com, 34% (11 requests) were made to S.alicdn.com and 22% (7 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 681.4 kB (39%)

Content Size

1.8 MB

After Optimization

1.1 MB

In fact, the total size of Seaheart.m.en.alibaba.com main page is 1.8 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. 35% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 300.9 kB

  • Original 378.1 kB
  • After minification 377.3 kB
  • After compression 77.2 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 300.9 kB or 80% of the original size.

Image Optimization

-21%

Potential reduce by 17.1 kB

  • Original 82.5 kB
  • After minification 65.4 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. Obviously, Sea Heart M En Alibaba needs image optimization as it can save up to 17.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-28%

Potential reduce by 363.4 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 928.5 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 363.4 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (37%)

Requests Now

30

After Optimization

19

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sea Heart M En Alibaba. 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.

Accessibility Review

seaheart.m.en.alibaba.com accessibility score

41

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

seaheart.m.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

seaheart.m.en.alibaba.com SEO score

86

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

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 Seaheart.m.en.alibaba.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 Seaheart.m.en.alibaba.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 Sea Heart M En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: