Tools & Wizards About Us
sfdiamondexchange.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

sfdiamondexchange.com

San Francisco Engagement Rings | San Francisco Diamond Exchange | Family Owned Since 1974

Page Load Speed

1 sec in total

First Response

134 ms

Resources Loaded

843 ms

Page Rendered

68 ms

sfdiamondexchange.com screenshot

About Website

Click here to check amazing Sf Diamond Exchange content for United States. Otherwise, check out these important facts you probably never knew about sfdiamondexchange.com

Trusted Jeweler Since 1972, Let us Help You Design The Perfect Engagement Ring! SF Diamond Exchange Specializes in GIA Certified Natural Diamonds & Custom Fine Jewelry

Visit sfdiamondexchange.com

Key Findings

We analyzed Sfdiamondexchange.com page load time and found that the first response time was 134 ms and then it took 911 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

sfdiamondexchange.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

www.sfdiamondexchange.com

134 ms

minified.js

38 ms

focus-within-polyfill.js

68 ms

polyfill.min.js

31 ms

thunderbolt-commons.f641ffe5.bundle.min.js

178 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Sfdiamondexchange.com, 51% (20 requests) were made to Static.wixstatic.com and 38% (15 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (181 ms) relates to the external source Static.parastorage.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (68%)

Content Size

2.1 MB

After Optimization

679.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sfdiamondexchange.com main page is 2.1 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. 45% of websites need less resources to load. HTML takes 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 1.4 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 243.6 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. 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 1.4 MB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 2.4 kB

  • Original 198.3 kB
  • After minification 195.9 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. Sf Diamond Exchange images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 53.8 kB

  • Original 294.3 kB
  • After minification 294.3 kB
  • After compression 240.5 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 53.8 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (29%)

Requests Now

35

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sf Diamond Exchange. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.sfdiamondexchange.com

www.sfdiamondexchange.com

134 ms

minified.js

minified.js

38 ms

focus-within-polyfill.js

focus-within-polyfill.js

68 ms

polyfill.min.js

polyfill.min.js

31 ms

thunderbolt-commons.f641ffe5.bundle.min.js

thunderbolt-commons.f641ffe5.bundle.min.js

178 ms

main.fae1c592.bundle.min.js

main.fae1c592.bundle.min.js

179 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

176 ms

lodash.min.js

lodash.min.js

180 ms

react.production.min.js

react.production.min.js

177 ms

react-dom.production.min.js

react-dom.production.min.js

181 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

179 ms

0f3786_07b9ca1f0ebe41dbb322bca6da64254f~mv2.png

0f3786_07b9ca1f0ebe41dbb322bca6da64254f~mv2.png

93 ms

bundle.min.js

bundle.min.js

91 ms

Diamond%20Engagement%20Ring%20Wedding%20Band%20Set.jpg

Diamond%20Engagement%20Ring%20Wedding%20Band%20Set.jpg

48 ms

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0f3786_df541df5f5cd429da5e924c3a6c9643b~mv2.jpg

48 ms

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0f3786_8a6983ff669e44a980d2985ccd11a40a~mv2.jpg

51 ms

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0f3786_d8ee7220578d42a0997540426cd7b5f9~mv2.jpg

49 ms

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0f3786_45a35eca82004d18830f5844e67d5c57~mv2.jpg

48 ms

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51 ms

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0f3786_9380c3c1ea564aac9ded118e0432d757~mv2.jpg

52 ms

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53 ms

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0f3786_0318c15076794177938f2b094ce602d4~mv2.jpg

53 ms

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0f3786_d8ee7220578d42a0997540426cd7b5f9~mv2.jpg

52 ms

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55 ms

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58 ms

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0f3786_305e09e079754b13a60575e1fc2f070e~mv2.jpg

57 ms

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0f3786_f13c31c8b87d4a73899ddc03d4b26e3d~mv2.jpg

54 ms

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0f3786_ccee6b5f3ac54f5eb143b5c2b2edba78~mv2.jpg

55 ms

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0f3786_19fb8c3299f744189570b45550f01e82~mv2.jpg

56 ms

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0f3786_57150166dce64d14badfb719243ad666~mv2.png

95 ms

0f3786_697e8cedbda2437cb20f38174432c623~mv2.jpg

0f3786_697e8cedbda2437cb20f38174432c623~mv2.jpg

95 ms

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0f3786_248adf94c003432086cb3d87b8ec17f8~mv2.jpg

96 ms

deprecation-en.v5.html

deprecation-en.v5.html

14 ms

bolt-performance

bolt-performance

61 ms

deprecation-style.v5.css

deprecation-style.v5.css

30 ms

right-arrow.svg

right-arrow.svg

51 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

14 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

14 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

11 ms

Accessibility Review

sfdiamondexchange.com accessibility score

96

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

Best Practices

sfdiamondexchange.com best practices score

92

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

Page has valid source maps

SEO Factors

sfdiamondexchange.com SEO score

99

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

High

Tap targets are not sized appropriately

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 Sfdiamondexchange.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 Sfdiamondexchange.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

sfdiamondexchange.com

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