4 sec in total
118 ms
1.5 sec
2.4 sec
Welcome to serta.com homepage info - get ready to check Serta best content for United States right away, or after learning these important things about serta.com
Experience the always comfortable, best mattress online backed by 90+ years of Serta innovation. Buy mattresses & more w/ 120 night trial & free shipping.
Visit serta.comWe analyzed Serta.com page load time and found that the first response time was 118 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 60% of websites can load faster.
serta.com performance score
name
value
score
weighting
Value2.8 s
56/100
10%
Value3.6 s
60/100
25%
Value9.2 s
13/100
10%
Value6,890 ms
0/100
30%
Value0.05
99/100
15%
Value25.8 s
0/100
10%
118 ms
109 ms
239 ms
59 ms
92 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 59% of them (56 requests) were addressed to the original Serta.com, 6% (6 requests) were made to Cdn.cookielaw.org and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (398 ms) relates to the external source Tvspix.com.
Page size can be reduced by 757.4 kB (25%)
3.0 MB
2.2 MB
In fact, the total size of Serta.com main page is 3.0 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 640.9 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. 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 640.9 kB or 86% of the original size.
Potential reduce by 49.6 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. Serta images are well optimized though.
Potential reduce by 7.4 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.
Potential reduce by 59.5 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. Serta.com needs all CSS files to be minified and compressed as it can save up to 59.5 kB or 74% of the original size.
Number of requests can be reduced by 69 (77%)
90
21
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.serta.com
118 ms
events.js
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gtm.js
239 ms
theme.css
59 ms
boost-pfs-instant-search.css
92 ms
boost-pfs-custom.css
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preloads.js
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load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js
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storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js
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features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js
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mws_fees_bundle.js
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mws_fees_bundle.css
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boost-pfs-core-instant-search.js
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boost-pfs-instant-search.js
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boost-pfs-init.js
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layout.build.js
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index.build.js
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common.js
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common.css
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trekkie.storefront.dd626a6a6fbdab104f8779acc4331c330134c832.min.js
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shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js
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shopify-boomerang-1.0.0.min.js
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BentonSans-Book.woff
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BentonSans-Medium.woff
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Serta_HP_BrandBanner_567x378_LG_1x.png
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Serta_HP_BrandBanner_375x250_SM_1x.png
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SIDE_BY_SIDE_-_LEFT.jpg
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A1975395-1114-488d-9c86-e0f3af6579971.js
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core.js
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destination
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blueshift.js
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c3metrics-854.js
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GT-Walsheim-Pro-Medium.woff
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GT-Walsheim-Pro-Regular.woff
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147 ms
activityi;src=14022607;type=serta0;cat=sr_ho0;ord=6663932818314;npa=0;auiddc=1775000653.1715049702;u1=Mattresses%20Online%3A%20Shop%20Serta%2C%20the%20World%E2%80%99s%20Best%20Mattress%20Company;u2=https%3A%2F%2Fwww.serta.com%2F;pscdl=noapi;gtm=45fe4510z872194828za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.serta.com%2F
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otSDKStub.js
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6b5d5dd5-988d-48b2-9ece-e720abf9adde.json
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99 ms
src=14022607;type=serta0;cat=sr_ho0;ord=6663932818314;npa=0;auiddc=*;u1=Mattresses%20Online%3A%20Shop%20Serta%2C%20the%20World%E2%80%99s%20Best%20Mattress%20Company;u2=https%3A%2F%2Fwww.serta.com%2F;pscdl=noapi;gtm=45fe4510z872194828za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.serta.com%2F
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location
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otBannerSdk.js
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en.json
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redirect-app.js
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bv.js
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script
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up.js
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t.png
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destination
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impression
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hotjar-1598045.js
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otFlat.json
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serta.com accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
serta.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
serta.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Serta.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 Serta.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.
serta.com
Open Graph data is detected on the main page of Serta. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: