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zen.auto screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

zen.auto

ZenAuto: Personal & Business Car Leasing | Contract Hire UK

Page Load Speed

3.3 sec in total

First Response

29 ms

Resources Loaded

2.6 sec

Page Rendered

719 ms

zen.auto screenshot

About Website

Welcome to zen.auto homepage info - get ready to check Zen best content for United Kingdom right away, or after learning these important things about zen.auto

Discover the best personal and business lease deals at ZenAuto. Choose your spec, colour and extras, from over 1000 different cars. Don't buy it, Zen it.

Visit zen.auto

Key Findings

We analyzed Zen.auto page load time and found that the first response time was 29 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zen.auto performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value3,650 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value27.5 s

0/100

10%

Network Requests Diagram

zen.auto

29 ms

zen.auto

690 ms

zenauto-nav.css

358 ms

zenauto-home.css

584 ms

tp-widget-bootstrap-min.js

426 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 64% of them (18 requests) were addressed to the original Zen.auto, 11% (3 requests) were made to Zenprodstorage.blob.core.windows.net and 7% (2 requests) were made to Cdn-stvehicleimages6z4g7-ukwest.azureedge.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Cdn-stvehicleimages6z4g7-ukwest.azureedge.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 121.3 kB (19%)

Content Size

651.7 kB

After Optimization

530.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zen.auto main page is 651.7 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. 40% of websites need less resources to load. Images take 299.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 105.8 kB

  • Original 131.6 kB
  • After minification 131.1 kB
  • After compression 25.9 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 105.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 299.2 kB
  • After minification 299.2 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. Zen images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 15.5 kB

  • Original 188.1 kB
  • After minification 188.1 kB
  • After compression 172.6 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

-0%

Potential reduce by 89 B

  • Original 32.8 kB
  • After minification 32.8 kB
  • After compression 32.7 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. Zen.auto has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (50%)

Requests Now

20

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zen.auto

zen.auto

29 ms

zen.auto

zen.auto

690 ms

zenauto-nav.css

zenauto-nav.css

358 ms

zenauto-home.css

zenauto-home.css

584 ms

tp-widget-bootstrap-min.js

tp-widget-bootstrap-min.js

426 ms

LiveChatBootstrapper.js

LiveChatBootstrapper.js

648 ms

glider.min.css

glider.min.css

339 ms

z-basicEffects.min.js

z-basicEffects.min.js

355 ms

z-menu.min.js

z-menu.min.js

338 ms

z-rebrand.min.js

z-rebrand.min.js

646 ms

zenauto-footer.css

zenauto-footer.css

646 ms

cookieControl-9.8.min.js

cookieControl-9.8.min.js

44 ms

gtm.js

gtm.js

255 ms

volvo_22xc60momentumsu2fb_lowaggressive.png

volvo_22xc60momentumsu2fb_lowaggressive.png

832 ms

YG70ZPO_1_20240912_160000.263.jpg

YG70ZPO_1_20240912_160000.263.jpg

579 ms

YK21THR_1_20240909_120000.0.jpg

YK21THR_1_20240909_120000.0.jpg

567 ms

LJ70ZTR_1_20240909_120000.0.jpg

LJ70ZTR_1_20240909_120000.0.jpg

569 ms

logo-full.svg

logo-full.svg

496 ms

home-trust-polo-47.png

home-trust-polo-47.png

716 ms

vw-polo-grey.png

vw-polo-grey.png

667 ms

delivery-icon.svg

delivery-icon.svg

510 ms

contact-us-icon.svg

contact-us-icon.svg

513 ms

why-choose-us.jpg

why-choose-us.jpg

644 ms

nissan_23xtrailhevtekna4wdsu4b_lowaggressive.png

nissan_23xtrailhevtekna4wdsu4b_lowaggressive.png

1353 ms

Neptune_Regular.woff

Neptune_Regular.woff

748 ms

Neptune_Extrabold.woff

Neptune_Extrabold.woff

779 ms

index.html

index.html

49 ms

main.js

main.js

2 ms

Accessibility Review

zen.auto accessibility score

98

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.

Best Practices

zen.auto 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zen.auto SEO score

82

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Zen.auto 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 Zen.auto 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

zen.auto

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