Tools & Wizards About Us
sferra.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sferra.com

SFERRA | Luxury Bedding, Fine Italian Linens, and Home Décor

Page Load Speed

3.6 sec in total

First Response

488 ms

Resources Loaded

1.9 sec

Page Rendered

1.2 sec

sferra.com screenshot

About Website

Welcome to sferra.com homepage info - get ready to check SFERRA best content for United States right away, or after learning these important things about sferra.com

Shop luxury sheets and bedding collections made in Italy from the finest materials, since 1891. Fine bathroom linens, high quality tablecloths, and stylish home décor. Complimentary ground shipping an...

Visit sferra.com

Key Findings

We analyzed Sferra.com page load time and found that the first response time was 488 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sferra.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value4,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

www.sferra.com

488 ms

osano.js

379 ms

global.js

66 ms

jquery-3.6.0.min.js

74 ms

ld.js

65 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 61% of them (68 requests) were addressed to the original Sferra.com, 7% (8 requests) were made to Static.klaviyo.com and 3% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (652 ms) belongs to the original domain Sferra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 396.0 kB (10%)

Content Size

3.8 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sferra.com main page is 3.8 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. Only a small number of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 298.7 kB

  • Original 386.0 kB
  • After minification 366.5 kB
  • After compression 87.3 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 298.7 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 75.9 kB

  • Original 2.9 MB
  • After minification 2.8 MB

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. SFERRA images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.4 kB

  • Original 496.9 kB
  • After minification 496.9 kB
  • After compression 495.6 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

-51%

Potential reduce by 20.0 kB

  • Original 39.5 kB
  • After minification 20.3 kB
  • After compression 19.5 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. Sferra.com needs all CSS files to be minified and compressed as it can save up to 20.0 kB or 51% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (55%)

Requests Now

105

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SFERRA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sferra.com

www.sferra.com

488 ms

osano.js

osano.js

379 ms

global.js

global.js

66 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

74 ms

ld.js

ld.js

65 ms

dist__styles-343c757c.css

dist__styles-343c757c.css

60 ms

dist__theme-6ae6dacf.js

dist__theme-6ae6dacf.js

59 ms

dist__theme-bd2620f5.css

dist__theme-bd2620f5.css

54 ms

custom.css

custom.css

58 ms

preloads.js

preloads.js

78 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

75 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

81 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

82 ms

js

js

98 ms

vi_rkkqhH0RcArlu88SUdQ

vi_rkkqhH0RcArlu88SUdQ

101 ms

algolia_autocomplete_overrides.css

algolia_autocomplete_overrides.css

79 ms

algolia_dependency_font-awesome-4-4-0.min.css

algolia_dependency_font-awesome-4-4-0.min.css

101 ms

algolia_externals.js

algolia_externals.js

105 ms

algolia_init.js

algolia_init.js

97 ms

algolia_translations.js

algolia_translations.js

91 ms

algolia_helpers.js

algolia_helpers.js

94 ms

algolia_autocomplete_suggestions_plugin.js

algolia_autocomplete_suggestions_plugin.js

103 ms

algolia_autocomplete_product_plugin.js

algolia_autocomplete_product_plugin.js

110 ms

algolia_autocomplete_collections_plugin.js

algolia_autocomplete_collections_plugin.js

113 ms

algolia_autocomplete_articles_plugin.js

algolia_autocomplete_articles_plugin.js

112 ms

algolia_autocomplete_pages_plugin.js

algolia_autocomplete_pages_plugin.js

127 ms

algolia_autocomplete.js

algolia_autocomplete.js

128 ms

algolia_facets.js

algolia_facets.js

121 ms

algolia_sort_orders.js

algolia_sort_orders.js

131 ms

algolia_instant_search.js

algolia_instant_search.js

138 ms

algolia_analytics.js

algolia_analytics.js

128 ms

klaviyo.js

klaviyo.js

63 ms

announcement-bar-essential-apps.js

announcement-bar-essential-apps.js

79 ms

fs.slider.v2.5.js

fs.slider.v2.5.js

73 ms

onsite.js

onsite.js

61 ms

custom.js

custom.js

116 ms

app.js

app.js

207 ms

events.js

events.js

127 ms

gtm.js

gtm.js

116 ms

trekkie.storefront.dd626a6a6fbdab104f8779acc4331c330134c832.min.js

trekkie.storefront.dd626a6a6fbdab104f8779acc4331c330134c832.min.js

168 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

167 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

166 ms

Spring_24_New_Arrivals.jpg

Spring_24_New_Arrivals.jpg

167 ms

BEDDINGMEGA.jpg

BEDDINGMEGA.jpg

180 ms

Care_Guide.jpg

Care_Guide.jpg

165 ms

Down-Mega-Menu-Image-Down-Clusters.jpg

Down-Mega-Menu-Image-Down-Clusters.jpg

204 ms

monogrambathmega.jpg

monogrambathmega.jpg

204 ms

Marquina_Mega_Menu.jpg

Marquina_Mega_Menu.jpg

198 ms

Table_-_Classico.jpg

Table_-_Classico.jpg

271 ms

Eterna_Throw.jpg

Eterna_Throw.jpg

272 ms

Mother_s_Day_GG.jpg

Mother_s_Day_GG.jpg

270 ms

Loungwear.jpg

Loungwear.jpg

272 ms

Cashmere_Loungewear.jpg

Cashmere_Loungewear.jpg

293 ms

BEDFRAMES_6d2baa82-6494-4f3b-9051-41e43d9f15a1.jpg

BEDFRAMES_6d2baa82-6494-4f3b-9051-41e43d9f15a1.jpg

270 ms

Mattress_c2eccf4a-13e0-4f80-a31c-d5c00920b7f1.jpg

Mattress_c2eccf4a-13e0-4f80-a31c-d5c00920b7f1.jpg

315 ms

TAILORMADEMEGA.jpg

TAILORMADEMEGA.jpg

533 ms

Percale.jpg

Percale.jpg

315 ms

Collab_-_Eddie_Ross.jpg

Collab_-_Eddie_Ross.jpg

384 ms

New_To_Outlet.jpg

New_To_Outlet.jpg

311 ms

3511x1600_Hero_Crop_Desktop_5.2.png

3511x1600_Hero_Crop_Desktop_5.2.png

387 ms

3511x1600_Hero_Crop_Mobile_5.2.png

3511x1600_Hero_Crop_Mobile_5.2.png

384 ms

Blocks_2080x1100_MD_5.2.jpg

Blocks_2080x1100_MD_5.2.jpg

389 ms

Blocks_2080x1100_Festival_5.2.jpg

Blocks_2080x1100_Festival_5.2.jpg

388 ms

Blocks_2080x1100_Giza_5.2.jpg

Blocks_2080x1100_Giza_5.2.jpg

437 ms

Blocks_2080x1100_Catena_5.2.jpg

Blocks_2080x1100_Catena_5.2.jpg

441 ms

Blocks_2080x1100_Bath_5.2_1.jpg

Blocks_2080x1100_Bath_5.2_1.jpg

442 ms

Blocks_2080x1100_Down_5.2.jpg

Blocks_2080x1100_Down_5.2.jpg

443 ms

SFERRA_HP_STORE_BANNER_1800x1200_Spring_2024.gif

SFERRA_HP_STORE_BANNER_1800x1200_Spring_2024.gif

439 ms

Blocks_2080x1100_Spring_LB_Banner.jpg

Blocks_2080x1100_Spring_LB_Banner.jpg

466 ms

giza45percale.jpg

giza45percale.jpg

652 ms

sferra-giza_percale-white-collection-1835-lifestyle.jpg

sferra-giza_percale-white-collection-1835-lifestyle.jpg

468 ms

CelesteCollection_2.jpg

CelesteCollection_2.jpg

468 ms

CelesteDuvetCover_c476ed0f-2a0c-4308-a4f6-4c8142bc4846.jpg

CelesteDuvetCover_c476ed0f-2a0c-4308-a4f6-4c8142bc4846.jpg

478 ms

Grande-Hotel-Portrait.gif

Grande-Hotel-Portrait.gif

511 ms

sferra-grande-hotel-sheets-navy-front.jpg

sferra-grande-hotel-sheets-navy-front.jpg

482 ms

fender_analytics.113876fdc67592e7cbfd.js

fender_analytics.113876fdc67592e7cbfd.js

163 ms

static.047f24ade89e4aff54a9.js

static.047f24ade89e4aff54a9.js

162 ms

runtime.eeee922c197686a9e930.js

runtime.eeee922c197686a9e930.js

54 ms

sharedUtils.00081c57cddd29832b4e.js

sharedUtils.00081c57cddd29832b4e.js

127 ms

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.b0930143925bb765e2d3.js

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.b0930143925bb765e2d3.js

127 ms

vendors~signup_forms~onsite-triggering.733ed8744f200f7d4d54.js

vendors~signup_forms~onsite-triggering.733ed8744f200f7d4d54.js

127 ms

vendors~signup_forms.824396622be3ec2234ff.js

vendors~signup_forms.824396622be3ec2234ff.js

126 ms

default~signup_forms~onsite-triggering.968e4cc173bff13b788f.js

default~signup_forms~onsite-triggering.968e4cc173bff13b788f.js

146 ms

signup_forms.3c339f68eee3e750afea.js

signup_forms.3c339f68eee3e750afea.js

146 ms

syncframe

syncframe

138 ms

events.js

events.js

168 ms

ytc.js

ytc.js

122 ms

spx

spx

143 ms

destination

destination

57 ms

dist__ProximaNova-Regular-5cc46693.otf

dist__ProximaNova-Regular-5cc46693.otf

340 ms

dist__GaramondPremrPro-Disp-8b06607a.otf

dist__GaramondPremrPro-Disp-8b06607a.otf

372 ms

Giza45SateenCollectionUpdated.jpg

Giza45SateenCollectionUpdated.jpg

404 ms

GIZASATEEN_LIFE_9bb05af8-195c-4e54-849d-10ffd1aebb9f.jpg

GIZASATEEN_LIFE_9bb05af8-195c-4e54-849d-10ffd1aebb9f.jpg

404 ms

Sferra-logo-decoration.svg

Sferra-logo-decoration.svg

383 ms

slider_v2_5.css

slider_v2_5.css

63 ms

10033425.json

10033425.json

12 ms

saq_pxl

saq_pxl

11 ms

session

session

107 ms

21 ms

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

bgAABAAAAAAABAAAAQAAAAAAAAAAAAAAAAAAAAwEAAAAAAAAAAAAAAABAAAABAAAAAO3ABkCSQA2A7cACQQAAAAEAAAABAAAAAJJACcAAAAAAAoAFAAeAGIAvADiAZoCMAKmA6ID7gAAAAEAAAAMALEABQAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAOAK4AAQAAAAAAAQAKAAAAAQAAAAAAAgAHAHsAAQAAAAAAAwAKAD8AAQAAAAAABAAKAJAAAQAAAAAABQALAB4AAQAAAAAABgAKAF0AAQAAAAAACgAaAK4AAwABBAkAAQAUAAoAAwABBAkAAgAOAIIAAwABBAkAAwAUAEkAAwABBAkABAAUAJoAAwABBAkABQAWACkAAwABBAkABgAUAGcAAwABBAkACgA0AMhtaW5pbWFsLWZhAG0AaQBuAGkAbQBhAGwALQBmAGFWZXJzaW9uIDEuMABWAGUAcgBzAGkAbwBuACAAMQAuADBtaW5pbWFsLWZhAG0AaQBuAGkAbQBhAGwALQBmAGFtaW5pbWFsLWZhAG0AaQBuAGkAbQBhAGwALQBmAGFSZWd1bGFyAFIAZQBnAHUAbABhAHJtaW5pbWFsLWZhAG0AaQBuAGkAbQBhAGwALQBmAGFGb250IGdlbmVyYXRlZCBieSBJY29Nb29uLgBGAG8AbgB0ACAAZwBlAG4AZQByAGEAdABlAGQAIABiAHkAIABJAGMAbwBNAG8AbwBuAC4AAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

9 ms

collector.js

collector.js

24 ms

redirect-app.js

redirect-app.js

27 ms

script.js

script.js

141 ms

vi_rkkqhH0RcArlu88SUdQ.js

vi_rkkqhH0RcArlu88SUdQ.js

54 ms

app.v1.0.368.js

app.v1.0.368.js

169 ms

landing

landing

65 ms

48 ms

40 ms

landing

landing

27 ms

22 ms

21 ms

Accessibility Review

sferra.com accessibility score

70

Accessibility Issues

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

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

sferra.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sferra.com SEO score

93

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sferra.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 Sferra.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

sferra.com

Open Graph data is detected on the main page of SFERRA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: