Tools & Wizards About Us
rolfglass.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rolfglass.com

Rolf Glass - Shop Glassware - Wine Glasses - Barware - Tableware

Page Load Speed

3.3 sec in total

First Response

350 ms

Resources Loaded

2.5 sec

Page Rendered

511 ms

rolfglass.com screenshot

About Website

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

Rolf Glass offers a wide range of elegant and luxurious glassware including wine glasses, beer glasses, barware, cocktail glasses and home accents. Free shipping on US retail orders over $75! 30 day r...

Visit rolfglass.com

Key Findings

We analyzed Rolfglass.com page load time and found that the first response time was 350 ms and then it took 3 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

rolfglass.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

rolfglass.com

350 ms

preloads.js

51 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

175 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

54 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

47 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 78% of them (32 requests) were addressed to the original Rolfglass.com, 7% (3 requests) were made to Cdn.shopify.com and 5% (2 requests) were made to Cdn.judge.me. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Polyfill-fastly.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.5 kB (25%)

Content Size

795.5 kB

After Optimization

598.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rolfglass.com main page is 795.5 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. 50% of websites need less resources to load. Javascripts take 283.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 178.0 kB

  • Original 229.3 kB
  • After minification 211.0 kB
  • After compression 51.4 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 178.0 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 644 B

  • Original 253.3 kB
  • After minification 252.6 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. Rolf Glass images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 18.8 kB

  • Original 283.8 kB
  • After minification 283.7 kB
  • After compression 265.0 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

-0%

Potential reduce by 128 B

  • Original 29.1 kB
  • After minification 29.1 kB
  • After compression 28.9 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. Rolfglass.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (78%)

Requests Now

37

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rolf Glass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rolfglass.com

rolfglass.com

350 ms

preloads.js

preloads.js

51 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

175 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

54 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

47 ms

storefront-banner.js

storefront-banner.js

40 ms

theme.scss.css

theme.scss.css

54 ms

lazysizes.min.js

lazysizes.min.js

163 ms

polyfill.min.js

polyfill.min.js

1838 ms

libs.min.js

libs.min.js

172 ms

theme.min.js

theme.min.js

193 ms

custom.js

custom.js

192 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

28 ms

wsg-embed.css

wsg-embed.css

68 ms

loader.js

loader.js

188 ms

wsg-dependencies.js

wsg-dependencies.js

231 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

187 ms

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

163 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

161 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

161 ms

rolf_2020_circle-logo-black-1000x1000_85x.png

rolf_2020_circle-logo-black-1000x1000_85x.png

79 ms

sea_shore_7.5oz_martini_lifestyle_mobile_banner_1x1.jpg

sea_shore_7.5oz_martini_lifestyle_mobile_banner_1x1.jpg

80 ms

sea_shore_7.5oz_martini_lifestyle_desktop_banner_1x1.jpg

sea_shore_7.5oz_martini_lifestyle_desktop_banner_1x1.jpg

79 ms

coastal_nautical_collection_1x1.jpg

coastal_nautical_collection_1x1.jpg

86 ms

bleecker_st_dec_yel_1x1.jpg

bleecker_st_dec_yel_1x1.jpg

87 ms

lifestyle_collection_02_530ecc03-e4db-4840-adf2-5d84a5996485_1x1.jpg

lifestyle_collection_02_530ecc03-e4db-4840-adf2-5d84a5996485_1x1.jpg

83 ms

nature_collection_1x1.jpg

nature_collection_1x1.jpg

86 ms

novelty_collection_1x1.jpg

novelty_collection_1x1.jpg

90 ms

world-whiskey-leather-book-z_1x1.jpg

world-whiskey-leather-book-z_1x1.jpg

176 ms

wonderland_collection_lifestyle_03_1x1.jpg

wonderland_collection_lifestyle_03_1x1.jpg

175 ms

bourbon_st_25oz_decanter_lifestyle_04_1x1.jpg

bourbon_st_25oz_decanter_lifestyle_04_1x1.jpg

173 ms

futura_n4.6bce24beb4ba1ff4ddeb20f7cd6e2fa513a3d6ec.woff

futura_n4.6bce24beb4ba1ff4ddeb20f7cd6e2fa513a3d6ec.woff

125 ms

centurygothic_n4.346454bcdd76b0c02e149e968e75218ca6ee803f.woff

centurygothic_n4.346454bcdd76b0c02e149e968e75218ca6ee803f.woff

113 ms

centurygothic_n7.bfbdd76b5b769e73488b72ad922937634199bb91.woff

centurygothic_n7.bfbdd76b5b769e73488b72ad922937634199bb91.woff

168 ms

spb.en.js

spb.en.js

143 ms

sea_shore_7.5oz_martini_lifestyle_desktop_banner_1800x.jpg

sea_shore_7.5oz_martini_lifestyle_desktop_banner_1800x.jpg

500 ms

loader.js

loader.js

13 ms

base.css

base.css

1 ms

installed.js

installed.js

26 ms

script.js

script.js

92 ms

cart

cart

89 ms

Accessibility Review

rolfglass.com accessibility score

88

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.

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

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

rolfglass.com best practices score

75

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rolfglass.com SEO score

100

Search Engine Optimization Advices

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 Rolfglass.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 Rolfglass.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

rolfglass.com

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