4.1 sec in total
142 ms
2.8 sec
1.1 sec
Click here to check amazing Casper Sleep content. Otherwise, check out these important facts you probably never knew about caspersleep.com
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Visit caspersleep.comWe analyzed Caspersleep.com page load time and found that the first response time was 142 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
caspersleep.com performance score
name
value
score
weighting
Value12.6 s
0/100
10%
Value15.0 s
0/100
25%
Value28.0 s
0/100
10%
Value9,810 ms
0/100
30%
Value0.913
3/100
15%
Value55.6 s
0/100
10%
142 ms
109 ms
197 ms
182 ms
227 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Caspersleep.com, 13% (12 requests) were made to Asapp.com and 7% (6 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Casper.imgix.net.
Page size can be reduced by 1.9 MB (44%)
4.4 MB
2.4 MB
In fact, the total size of Caspersleep.com main page is 4.4 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. 65% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 246.1 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 246.1 kB or 78% of the original size.
Potential reduce by 528.5 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, Casper Sleep needs image optimization as it can save up to 528.5 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 988.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 988.6 kB or 68% of the original size.
Potential reduce by 172.7 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. Caspersleep.com needs all CSS files to be minified and compressed as it can save up to 172.7 kB or 48% of the original size.
Number of requests can be reduced by 41 (51%)
81
40
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Casper Sleep. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
casper.com
142 ms
cloudflare.min.js
109 ms
application-762831f6eb0663f51bfa1bd9ad498ab09d0a5916360ca1bc1165685a427ecddd.css
197 ms
home_manifest-b2505b195fdea1a3d1f7cb42dfce87cff39629f4c775fee837f6435f35d3766c.css
182 ms
fonts.css
227 ms
1509982184.js
491 ms
polyfill.min.js
230 ms
dom4.js
204 ms
MutationObserver.min.js
215 ms
jspm-9e6b11cef920e5efa4f1a801a449faf7d4ee33f5571de6e08dd317d1e80b6948.js
209 ms
application_nightshade-95fea874db27e78cabea120f67d44077a9016a2bc6b828621efb1eca2469b7c3.js
215 ms
home-ea0b695613eb444ce547bf03835e0f7ff50de85cb93339eb627ca5091d98d176.js
209 ms
core.js
209 ms
bag2
50 ms
77FCC719FF193B99A.css
63 ms
event
134 ms
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69 ms
csjie7zMkyhRCfqRf0NqRT0OUcCd9aIQZ9A3kicx9nyPQFjzHHgj83bXULB+BZ83HUlXymJk4KIsvk90XMf4+G7n3R0ffyn5L6ybPnQ=
73 ms
lPwXDbw+jA==
73 ms
f7by74+MvJf8FjEE+bA==
72 ms
analytics.min.js
891 ms
mattress.png
1029 ms
sheets.png
1028 ms
pillow.png
1015 ms
compass-ruler.png
1078 ms
mattress.png
1029 ms
sheets.png
1027 ms
pillow.png
1071 ms
dream-sandwich.png
1332 ms
casper-mattress-main.png
1167 ms
shop-the-sheets-backdrop.jpg
1075 ms
casper-pillow-main.png
1217 ms
casper-sleep-for-all.png
1415 ms
casper-mattress-main.png
1458 ms
casper-sheets-main.png
1192 ms
casper-pillow-main.png
1329 ms
live.js
1002 ms
big-stars-462ad91ef271aa147ab523b5ab404ee88b06dfcc9b8b34c36fdd1ca162f6d251.png
1044 ms
small-stars-eab5392a6551ff1643487eae3a7e050a7433957297a5b4b3a1f81c19816b1d8b.png
1040 ms
mattress-shadow.png
1176 ms
sheets-shadow.png
1363 ms
pillow-shadow.png
1248 ms
compass-ruler-shadow.png
1367 ms
g2pFfU4RAH31rNCnEHfSJ7E2PMdAmHNc+CNzNtdQ8H6FXzediRdKYuRgYuy+CHRYR3j07udd3d8+KXkvwBbsj5g
6 ms
i+FPL3DywOrCo3in8WmYbK6bKc2Krg1PCjFGfSNll6MVd8hMO6lEzKRZbhbKEXBStarjrWvdDmS8Eme3sU6jmN8erbL7E6PL0rxGwRVPtE=
3 ms
web-sdk.js
684 ms
go.js
845 ms
dynamic_content
479 ms
sprite.symbol-d2b3ce5e3009c9393c6f0b124e14d5d6c476dc8d317965e80c9acde78cab4c02.svg
298 ms
casper-hero-lifestyle.jpg
585 ms
t
599 ms
event
107 ms
t
936 ms
event
181 ms
analytics.js
203 ms
heap-1015148927.js
228 ms
t
901 ms
event
143 ms
hit
176 ms
web-sdk-iframe
19 ms
asapp_font.css
86 ms
web-sdk-iframe.css
132 ms
howler.min.js
138 ms
lodash.min.js
137 ms
moment.min.js
218 ms
jquery.min.js
236 ms
d3.v3.min.js
284 ms
react-with-addons-0.14.2.min.js
261 ms
react-dom-0.14.2.min.js
216 ms
store.min.js
253 ms
web-sdk-iframe.js
529 ms
linkid.js
93 ms
h
202 ms
h
199 ms
collect
113 ms
collect
277 ms
collect
156 ms
collect
159 ms
campaign_53bc799b5e29cc2379000002_20160315.1504.json
131 ms
366738.gif
19 ms
apid
338 ms
ga-audiences
382 ms
email.png
313 ms
address_books.js
303 ms
webfont.js
211 ms
facebook.png
121 ms
twitter.png
161 ms
collect
51 ms
floatbox.css
30 ms
provider
46 ms
channel-b2f33875e129918a20781ebde921002d.js
18 ms
caspersleep.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
caspersleep.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
caspersleep.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Caspersleep.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 Caspersleep.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.
caspersleep.com
Open Graph description is not detected on the main page of Casper Sleep. 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: