Tools & Wizards About Us
zappos.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

zappos.com

Shoes, Sneakers, Boots, & Clothing + FREE SHIPPING | Zappos.com

Page Load Speed

4.3 sec in total

First Response

226 ms

Resources Loaded

2.2 sec

Page Rendered

1.9 sec

zappos.com screenshot

About Website

Visit zappos.com now to see the best up-to-date Zappos content for United States and also check out these interesting facts you probably never knew about zappos.com

Fast, FREE shipping on just-landed sneakers, boots, heels & more from your favorite brands. Now that's a win.

Visit zappos.com

Key Findings

We analyzed Zappos.com page load time and found that the first response time was 226 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zappos.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value9,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

zappos.com

226 ms

zappos.com

264 ms

www.zappos.com

176 ms

gtm.js

82 ms

marty-zappos.app.ded08246b4d023e23228.css

79 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 39% of them (43 requests) were addressed to the original Zappos.com, 47% (52 requests) were made to M.media-amazon.com and 5% (6 requests) were made to Tagging.mkt.zappos.com. The less responsive or slowest element that took the longest time to load (513 ms) relates to the external source Tagging.mkt.zappos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (30%)

Content Size

5.1 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zappos.com main page is 5.1 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. Only a small number of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 524.5 kB

  • Original 625.1 kB
  • After minification 622.3 kB
  • After compression 100.6 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 524.5 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.6 MB
  • After minification 2.6 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. Zappos images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 771.4 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 827.9 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 771.4 kB or 48% of the original size.

CSS Optimization

-81%

Potential reduce by 223.8 kB

  • Original 275.8 kB
  • After minification 244.5 kB
  • After compression 52.0 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. Zappos.com needs all CSS files to be minified and compressed as it can save up to 223.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (43%)

Requests Now

108

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zappos. 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 from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zappos.com

zappos.com

226 ms

zappos.com

zappos.com

264 ms

www.zappos.com

www.zappos.com

176 ms

gtm.js

gtm.js

82 ms

marty-zappos.app.ded08246b4d023e23228.css

marty-zappos.app.ded08246b4d023e23228.css

79 ms

marty-zappos.5465.29682bc0778f8909b97b.css

marty-zappos.5465.29682bc0778f8909b97b.css

90 ms

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marty-zappos.8809.29682bc0778f8909b97b.css

91 ms

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marty-zappos.5201.29682bc0778f8909b97b.css

41 ms

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59 ms

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75 ms

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marty-zappos.9800.29682bc0778f8909b97b.css

88 ms

marty-zappos.Landing.29682bc0778f8909b97b.css

marty-zappos.Landing.29682bc0778f8909b97b.css

140 ms

marty-zappos.vendor.29682bc0778f8909b97b.js

marty-zappos.vendor.29682bc0778f8909b97b.js

257 ms

marty-zappos.app.29682bc0778f8909b97b.js

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255 ms

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127 ms

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128 ms

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126 ms

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314 ms

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312 ms

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315 ms

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marty-zappos.5201.29682bc0778f8909b97b.js

256 ms

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marty-zappos.2786.29682bc0778f8909b97b.js

327 ms

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marty-zappos.5520.29682bc0778f8909b97b.js

326 ms

marty-zappos.Landing.29682bc0778f8909b97b.js

marty-zappos.Landing.29682bc0778f8909b97b.js

312 ms

cs-container.js

cs-container.js

326 ms

main.7d31c52.js

main.7d31c52.js

190 ms

Zappos-25-Years-Logo-Site.svg

Zappos-25-Years-Logo-Site.svg

249 ms

melody-sprite.2021.09.16._TTH_.svg

melody-sprite.2021.09.16._TTH_.svg

158 ms

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386 ms

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395 ms

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395 ms

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425 ms

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478 ms

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494 ms

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415 ms

ytc.js

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401 ms

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441 ms

js

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155 ms

data

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513 ms

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343 ms

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314 ms

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147 ms

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30 ms

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data

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82 ms

data

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track.cgi

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59 ms

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113 ms

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70 ms

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51 ms

Accessibility Review

zappos.com accessibility score

97

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 progressbar elements do not have accessible names.

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

zappos.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zappos.com SEO score

97

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 Zappos.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 Zappos.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

zappos.com

Open Graph description is not detected on the main page of Zappos. 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: