Tools & Wizards About Us
zeal.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

zeal.co.uk

Thermometers, Hygrometers, Hydrometers & Meteorology Equipment

Page Load Speed

4 sec in total

First Response

272 ms

Resources Loaded

2.9 sec

Page Rendered

749 ms

zeal.co.uk screenshot

About Website

Welcome to zeal.co.uk homepage info - get ready to check Zeal best content right away, or after learning these important things about zeal.co.uk

We are the UK’s Leading Supplier of thermometers, hydrometers, hygrometers and much more. Visit our site today to see all our products available.

Visit zeal.co.uk

Key Findings

We analyzed Zeal.co.uk page load time and found that the first response time was 272 ms and then it took 3.7 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

zeal.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value2,310 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

zeal.co.uk

272 ms

zeal.co.uk

340 ms

www.zeal.co.uk

894 ms

c11169166bfe959c96818d926d58b929.css

168 ms

c047f4fa611263510d8ecd0e241ae5c6.js

494 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 80% of them (35 requests) were addressed to the original Zeal.co.uk, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (894 ms) belongs to the original domain Zeal.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.4 kB (23%)

Content Size

894.7 kB

After Optimization

688.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zeal.co.uk main page is 894.7 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. 30% of websites need less resources to load. Images take 617.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 26.0 kB

  • Original 32.5 kB
  • After minification 28.8 kB
  • After compression 6.5 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 3.8 kB, which is 12% 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 26.0 kB or 80% of the original size.

Image Optimization

-16%

Potential reduce by 97.7 kB

  • Original 617.6 kB
  • After minification 519.9 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. Obviously, Zeal needs image optimization as it can save up to 97.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-22%

Potential reduce by 37.4 kB

  • Original 170.4 kB
  • After minification 170.4 kB
  • After compression 133.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 37.4 kB or 22% of the original size.

CSS Optimization

-61%

Potential reduce by 45.3 kB

  • Original 74.1 kB
  • After minification 63.7 kB
  • After compression 28.8 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. Zeal.co.uk needs all CSS files to be minified and compressed as it can save up to 45.3 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (40%)

Requests Now

40

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zeal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zeal.co.uk

zeal.co.uk

272 ms

zeal.co.uk

zeal.co.uk

340 ms

www.zeal.co.uk

www.zeal.co.uk

894 ms

c11169166bfe959c96818d926d58b929.css

c11169166bfe959c96818d926d58b929.css

168 ms

c047f4fa611263510d8ecd0e241ae5c6.js

c047f4fa611263510d8ecd0e241ae5c6.js

494 ms

jquery.min.js

jquery.min.js

20 ms

main.js

main.js

257 ms

bootstrap.min.css

bootstrap.min.css

25 ms

main.css

main.css

257 ms

font-awesome.css

font-awesome.css

259 ms

style.css

style.css

258 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

264 ms

gtm.js

gtm.js

75 ms

halftone.png

halftone.png

116 ms

stardust.png

stardust.png

114 ms

zeal-logo.jpg

zeal-logo.jpg

114 ms

zeal-slider_3.jpg

zeal-slider_3.jpg

343 ms

zeal-slider_1_1.jpg

zeal-slider_1_1.jpg

350 ms

zeal-slider_4.jpg

zeal-slider_4.jpg

265 ms

zeal-slider_5.jpg

zeal-slider_5.jpg

268 ms

zeal-slider_2_1.jpg

zeal-slider_2_1.jpg

434 ms

mastercard-curved-32px.png

mastercard-curved-32px.png

193 ms

maestro-curved-32px.png

maestro-curved-32px.png

276 ms

delta-curved-32px.png

delta-curved-32px.png

353 ms

paypal-curved-32px.png

paypal-curved-32px.png

355 ms

solo-curved-32px.png

solo-curved-32px.png

361 ms

switch-curved-32px.png

switch-curved-32px.png

427 ms

american-express-curved-32px.png

american-express-curved-32px.png

434 ms

visa-curved-32px.png

visa-curved-32px.png

437 ms

nivo-slider.css

nivo-slider.css

436 ms

dark.css

dark.css

442 ms

default.css

default.css

509 ms

light.css

light.css

513 ms

bar.css

bar.css

516 ms

analytics.js

analytics.js

18 ms

collect

collect

17 ms

collect

collect

33 ms

ga-audiences

ga-audiences

47 ms

loading.gif

loading.gif

109 ms

graphic-1888.png

graphic-1888.png

93 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

172 ms

counter.js

counter.js

27 ms

t.php

t.php

72 ms

afa96a5a3f228fe55331e7eb9da0f78f.css

afa96a5a3f228fe55331e7eb9da0f78f.css

89 ms

Accessibility Review

zeal.co.uk accessibility score

76

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

zeal.co.uk best practices score

58

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

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

SEO Factors

zeal.co.uk SEO score

89

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

Image elements do not have [alt] attributes

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zeal.co.uk 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 Zeal.co.uk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

zeal.co.uk

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