Tools & Wizards About Us
thesleepcenter.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

thesleepcenter.com

The Sleep Center Mattress Stores - Products & Store Directory

Page Load Speed

594 ms in total

First Response

48 ms

Resources Loaded

383 ms

Page Rendered

163 ms

thesleepcenter.com screenshot

About Website

Welcome to thesleepcenter.com homepage info - get ready to check The Sleep Center best content right away, or after learning these important things about thesleepcenter.com

Visit one of our friendly, neighborhood mattress stores and get great sleep tonight! Our stores are open seven days a week for your shopping pleasure.

Visit thesleepcenter.com

Key Findings

We analyzed Thesleepcenter.com page load time and found that the first response time was 48 ms and then it took 546 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

thesleepcenter.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

thesleepcenter.com

48 ms

thesleepcenter.com

93 ms

style.css

20 ms

demo.css

40 ms

jquery-1.7.1.min.js

82 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 97% of them (31 requests) were addressed to the original Thesleepcenter.com, 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (125 ms) belongs to the original domain Thesleepcenter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.1 kB (3%)

Content Size

522.4 kB

After Optimization

505.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Thesleepcenter.com main page is 522.4 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. 25% of websites need less resources to load. Images take 461.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 8.5 kB

  • Original 11.1 kB
  • After minification 8.0 kB
  • After compression 2.6 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 3.1 kB, which is 28% 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 8.5 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 6.3 kB

  • Original 461.0 kB
  • After minification 454.7 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. The Sleep Center images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 964 B

  • Original 43.6 kB
  • After minification 43.6 kB
  • After compression 42.6 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.

CSS Optimization

-18%

Potential reduce by 1.2 kB

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.5 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. Thesleepcenter.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (30%)

Requests Now

30

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Sleep Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

thesleepcenter.com

thesleepcenter.com

48 ms

thesleepcenter.com

thesleepcenter.com

93 ms

style.css

style.css

20 ms

demo.css

demo.css

40 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

82 ms

script.js

script.js

59 ms

js

js

67 ms

reset.css

reset.css

37 ms

grid.css

grid.css

39 ms

superfish.js

superfish.js

33 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

33 ms

tms-0.4.1.js

tms-0.4.1.js

34 ms

uCarousel.js

uCarousel.js

33 ms

bg_li.gif

bg_li.gif

31 ms

marker.gif

marker.gif

35 ms

aside-bg.gif

aside-bg.gif

73 ms

slider-bg.gif

slider-bg.gif

89 ms

slide-1.jpg

slide-1.jpg

89 ms

slide-2.jpg

slide-2.jpg

77 ms

slide-3.jpg

slide-3.jpg

107 ms

slide-4.jpg

slide-4.jpg

110 ms

prev.png

prev.png

74 ms

next.png

next.png

91 ms

marker2.gif

marker2.gif

97 ms

tail.gif

tail.gif

107 ms

tsc-mattress-professor-badge.jpg

tsc-mattress-professor-badge.jpg

108 ms

the-sleep-center.gif

the-sleep-center.gif

109 ms

icon1.gif

icon1.gif

113 ms

bg_aside.gif

bg_aside.gif

125 ms

bg_aside1.gif

bg_aside1.gif

125 ms

tail1.gif

tail1.gif

125 ms

pagin.png

pagin.png

56 ms

Accessibility Review

thesleepcenter.com accessibility score

89

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

thesleepcenter.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

thesleepcenter.com SEO score

71

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

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 Thesleepcenter.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 Thesleepcenter.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

thesleepcenter.com

Open Graph description is not detected on the main page of The Sleep Center. 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: