Tools & Wizards About Us
sdshelf.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sdshelf.com

Gondola shelving, Storage racks, Supermarket shelf for sale, manufacturer in China

Page Load Speed

1.4 sec in total

First Response

130 ms

Resources Loaded

1.1 sec

Page Rendered

168 ms

sdshelf.com screenshot

About Website

Welcome to sdshelf.com homepage info - get ready to check Sd Shelf best content right away, or after learning these important things about sdshelf.com

SD Shelf is the number-one manufacturer of gondola shelf, supermarket display shelving, metal storage shelves, industrial pallet racking systems in China. We supply high quality solutions on retail st...

Visit sdshelf.com

Key Findings

We analyzed Sdshelf.com page load time and found that the first response time was 130 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

sdshelf.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.766

5/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

sdshelf.com

130 ms

www.sdshelf.com

131 ms

master.css

56 ms

subpage.css

155 ms

flickity.css

123 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Sdshelf.com, 3% (1 request) were made to Statcounter.com and 3% (1 request) were made to C.statcounter.com. The less responsive or slowest element that took the longest time to load (600 ms) belongs to the original domain Sdshelf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.6 kB (14%)

Content Size

538.5 kB

After Optimization

461.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sdshelf.com main page is 538.5 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. 20% of websites need less resources to load. Images take 438.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.2 kB

  • Original 10.1 kB
  • After minification 8.9 kB
  • After compression 2.9 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 1.2 kB, which is 12% 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 7.2 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 180 B

  • Original 438.2 kB
  • After minification 438.0 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. Sd Shelf images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 40.6 kB

  • Original 54.4 kB
  • After minification 54.4 kB
  • After compression 13.8 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 40.6 kB or 75% of the original size.

CSS Optimization

-80%

Potential reduce by 28.6 kB

  • Original 35.9 kB
  • After minification 31.7 kB
  • After compression 7.2 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. Sdshelf.com needs all CSS files to be minified and compressed as it can save up to 28.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (45%)

Requests Now

29

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sd Shelf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sdshelf.com

sdshelf.com

130 ms

www.sdshelf.com

www.sdshelf.com

131 ms

master.css

master.css

56 ms

subpage.css

subpage.css

155 ms

flickity.css

flickity.css

123 ms

flickity.pkgd.min.js

flickity.pkgd.min.js

229 ms

stat.js

stat.js

101 ms

reset.css

reset.css

51 ms

counter.js

counter.js

34 ms

nav-gray-bar.png

nav-gray-bar.png

56 ms

nav-gray-bar-dark.png

nav-gray-bar-dark.png

55 ms

logo.png

logo.png

56 ms

icon-phone.gif

icon-phone.gif

56 ms

tel.gif

tel.gif

56 ms

bg-mainnav-ul-ul.jpg

bg-mainnav-ul-ul.jpg

105 ms

11.jpg

11.jpg

127 ms

21.jpg

21.jpg

127 ms

12.jpg

12.jpg

126 ms

bg-bannerwrapper.png

bg-bannerwrapper.png

106 ms

banner1.jpg

banner1.jpg

381 ms

banner2.jpg

banner2.jpg

600 ms

bg-content-home.jpg

bg-content-home.jpg

170 ms

news-slider-l.png

news-slider-l.png

167 ms

news-slider-r.png

news-slider-r.png

175 ms

btn-submit-arrow.png

btn-submit-arrow.png

176 ms

store-shelf.jpg

store-shelf.jpg

227 ms

warehouse-rack.jpg

warehouse-rack.jpg

234 ms

shopping-cart.jpg

shopping-cart.jpg

244 ms

Wire-Shelving.jpg

Wire-Shelving.jpg

243 ms

t.php

t.php

88 ms

js

js

69 ms

Accessibility Review

sdshelf.com accessibility score

71

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.

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

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

sdshelf.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

sdshelf.com SEO score

92

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 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 Sdshelf.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 Sdshelf.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

sdshelf.com

Open Graph description is not detected on the main page of Sd Shelf. 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: