Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

spring4mattress.com

China Mattress Springs, Metal Wire, Bonnell Spring Manufacturer and supplier

Page Load Speed

14 sec in total

First Response

435 ms

Resources Loaded

13 sec

Page Rendered

565 ms

spring4mattress.com screenshot

About Website

Welcome to spring4mattress.com homepage info - get ready to check Spring 4 Mattress best content right away, or after learning these important things about spring4mattress.com

Northland Spring Tech Co., LTD is one of the leading Mattress Springs, Metal Wire, Bonnell Spring manufacturers and suppliers in China. Welcome to import Mattress Springs at competitive price here.

Visit spring4mattress.com

Key Findings

We analyzed Spring4mattress.com page load time and found that the first response time was 435 ms and then it took 13.6 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

spring4mattress.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

www.spring4mattress.com

435 ms

ga.js

22 ms

main.css

182 ms

style_7.css

157 ms

3097 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 20% of them (18 requests) were addressed to the original Spring4mattress.com, 73% (64 requests) were made to Img.hisupplier.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.6 sec) relates to the external source Img.hisupplier.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.0 kB (64%)

Content Size

110.2 kB

After Optimization

40.2 kB

In fact, the total size of Spring4mattress.com main page is 110.2 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. 40% of websites need less resources to load. HTML takes 81.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 69.9 kB

  • Original 81.8 kB
  • After minification 66.1 kB
  • After compression 11.8 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 15.7 kB, which is 19% 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 69.9 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 103 B

  • Original 28.4 kB
  • After minification 28.4 kB
  • After compression 28.3 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 29 (34%)

Requests Now

86

After Optimization

57

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spring 4 Mattress. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

spring4mattress.com accessibility score

50

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

spring4mattress.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

spring4mattress.com SEO score

85

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

High

Document uses plugins

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 Spring4mattress.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 Spring4mattress.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 Spring 4 Mattress. 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: