Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

zulily.com

Password – Zulily

Page Load Speed

76.2 sec in total

First Response

346 ms

Resources Loaded

37.9 sec

Page Rendered

37.9 sec

zulily.com screenshot

About Website

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

Zulily

Visit zulily.com

Key Findings

We analyzed Zulily.com page load time and found that the first response time was 346 ms and then it took 75.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

zulily.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value2,700 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value32.1 s

0/100

10%

Network Requests Diagram

zulily.com

346 ms

www.zulily.com

935 ms

prum.min.js

1281 ms

92d1f960ea8bb5790082a6c87874f9b5.css

1359 ms

87f6e5c53905821547b3e9867c6bf95e.js

2239 ms

Our browser made a total of 146 requests to load all elements on the main page. We found that 4% of them (6 requests) were addressed to the original Zulily.com, 79% (116 requests) were made to A248.e.akamai.net and 5% (8 requests) were made to L.zulily.com. The less responsive or slowest element that took the longest time to load (12.3 sec) relates to the external source Google-analytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 839.7 kB (6%)

Content Size

15.0 MB

After Optimization

14.2 MB

In fact, the total size of Zulily.com main page is 15.0 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. 70% of websites need less resources to load. Images take 13.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 176.5 kB

  • Original 207.9 kB
  • After minification 172.4 kB
  • After compression 31.4 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. This page needs HTML code to be minified as it can gain 35.5 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 176.5 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 15.4 kB

  • Original 13.9 MB
  • After minification 13.9 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. Zulily images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 169.5 kB

  • Original 338.1 kB
  • After minification 336.6 kB
  • After compression 168.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 169.5 kB or 50% of the original size.

CSS Optimization

-84%

Potential reduce by 478.4 kB

  • Original 571.1 kB
  • After minification 531.2 kB
  • After compression 92.7 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. Zulily.com needs all CSS files to be minified and compressed as it can save up to 478.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (16%)

Requests Now

137

After Optimization

115

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zulily. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zulily.com accessibility score

100

Accessibility Issues

Best Practices

zulily.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zulily.com SEO score

98

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 Zulily.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 Zulily.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

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