Tools & Wizards About Us
coleparmer.co.uk screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    21% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

coleparmer.co.uk

Cole-Parmer United Kingdom, an Antylia Scientific company - Lab equipment and supplies for life sciences.

Page Load Speed

2.6 sec in total

First Response

339 ms

Resources Loaded

2 sec

Page Rendered

250 ms

coleparmer.co.uk screenshot

About Website

Click here to check amazing Cole Parmer content for United Kingdom. Otherwise, check out these important facts you probably never knew about coleparmer.co.uk

Cole-Parmer, an Antylia Scientific company, provides the widest range of lab equipment and supplies for pharmaceutical, biopharma, healthcare, and environmental.

Visit coleparmer.co.uk

Key Findings

We analyzed Coleparmer.co.uk page load time and found that the first response time was 339 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

coleparmer.co.uk performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value6,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.459

19/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

Network Requests Diagram

www.coleparmer.co.uk

339 ms

JqueryUICSS

54 ms

CSS

157 ms

jquery

151 ms

jqueryui

189 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 47% of them (38 requests) were addressed to the original Coleparmer.co.uk, 28% (23 requests) were made to Static.coleparmer.com and 5% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Coleparmer.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 201.6 kB (32%)

Content Size

637.3 kB

After Optimization

435.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Coleparmer.co.uk main page is 637.3 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. 45% of websites need less resources to load. Images take 445.1 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 109.7 kB

  • Original 124.7 kB
  • After minification 64.3 kB
  • After compression 15.0 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 60.4 kB, which is 48% 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 109.7 kB or 88% of the original size.

Image Optimization

-13%

Potential reduce by 56.6 kB

  • Original 445.1 kB
  • After minification 388.4 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, Cole Parmer needs image optimization as it can save up to 56.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 24.7 kB

  • Original 55.1 kB
  • After minification 45.5 kB
  • After compression 30.4 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 24.7 kB or 45% of the original size.

CSS Optimization

-85%

Potential reduce by 10.5 kB

  • Original 12.4 kB
  • After minification 7.8 kB
  • After compression 1.9 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. Coleparmer.co.uk needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (42%)

Requests Now

77

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cole Parmer. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.coleparmer.co.uk

www.coleparmer.co.uk

339 ms

JqueryUICSS

JqueryUICSS

54 ms

CSS

CSS

157 ms

jquery

jquery

151 ms

jqueryui

jqueryui

189 ms

css

css

27 ms

HomePage_slideshow.css

HomePage_slideshow.css

559 ms

ColeParmer.css

ColeParmer.css

77 ms

HomePage_slideshow.js

HomePage_slideshow.js

86 ms

WebResource.axd

WebResource.axd

117 ms

ScriptResource.axd

ScriptResource.axd

154 ms

ScriptResource.axd

ScriptResource.axd

219 ms

ScriptResource.axd

ScriptResource.axd

214 ms

getSeal

getSeal

431 ms

Scripts

Scripts

167 ms

ScriptResource.axd

ScriptResource.axd

168 ms

ScriptResource.axd

ScriptResource.axd

168 ms

ScriptResource.axd

ScriptResource.axd

179 ms

MF-miniflex-LS-pump-hero2.png

MF-miniflex-LS-pump-hero2.png

41 ms

gplus-32.png

gplus-32.png

63 ms

12.gif

12.gif

320 ms

grey-wht-gradient_1-36pxl.jpg

grey-wht-gradient_1-36pxl.jpg

39 ms

CPlogo-200-46.gif

CPlogo-200-46.gif

1025 ms

alert-redcircle.png

alert-redcircle.png

38 ms

iso_icon.png

iso_icon.png

59 ms

CP_CSassociate-Footer5.png

CP_CSassociate-Footer5.png

525 ms

sm_facebook.jpeg

sm_facebook.jpeg

39 ms

sm_linkedin.jpeg

sm_linkedin.jpeg

90 ms

sm_twitter.jpeg

sm_twitter.jpeg

87 ms

sm_youtube.jpeg

sm_youtube.jpeg

88 ms

sm_CPblog.jpeg

sm_CPblog.jpeg

90 ms

CP-vortexmixer-hero.jpg

CP-vortexmixer-hero.jpg

37 ms

CP-Digisensethermocouplethermomerter-hero.jpg

CP-Digisensethermocouplethermomerter-hero.jpg

55 ms

CP-gammaTubg-hero.jpg

CP-gammaTubg-hero.jpg

58 ms

sidekick_announcement.jpg

sidekick_announcement.jpg

32 ms

category-labware.jpg

category-labware.jpg

31 ms

category-Safety-PPE.jpg

category-Safety-PPE.jpg

62 ms

35614_30.001.jpg

35614_30.001.jpg

57 ms

77921_70.jpg

77921_70.jpg

59 ms

77122_00_1.jpg

77122_00_1.jpg

67 ms

7742000.jpg

7742000.jpg

61 ms

77111_40_latch.jpg

77111_40_latch.jpg

62 ms

3070393.jpg

3070393.jpg

59 ms

0560828.jpg

0560828.jpg

89 ms

50007_30_02_R.jpg

50007_30_02_R.jpg

61 ms

07531_40.jpg

07531_40.jpg

64 ms

20250_07L.jpg

20250_07L.jpg

63 ms

5230120.jpg

5230120.jpg

61 ms

12134_60_1.jpg

12134_60_1.jpg

83 ms

32522_00.jpg

32522_00.jpg

63 ms

20250_43.jpg

20250_43.jpg

63 ms

14312_00.jpg

14312_00.jpg

63 ms

04750_22.jpg

04750_22.jpg

64 ms

gtm.js

gtm.js

80 ms

btn_CPblue-right-cart-copy.png

btn_CPblue-right-cart-copy.png

63 ms

btn_CPblue-left-cart-copy.png

btn_CPblue-left-cart-copy.png

61 ms

gel-bkdg-grey.jpeg

gel-bkdg-grey.jpeg

61 ms

btn_shopall.png

btn_shopall.png

61 ms

arrow_left_menu.gif

arrow_left_menu.gif

33 ms

conversion_async.js

conversion_async.js

21 ms

analytics.js

analytics.js

18 ms

48952.js

48952.js

208 ms

button_grey.png

button_grey.png

38 ms

newprod_bkg-50pxl-head.png

newprod_bkg-50pxl-head.png

535 ms

C2DCEE-to-white-sliver.jpeg

C2DCEE-to-white-sliver.jpeg

144 ms

siteseal_gd_3_h_l_m.gif

siteseal_gd_3_h_l_m.gif

164 ms

linkid.js

linkid.js

11 ms

ec.js

ec.js

12 ms

145 ms

vms.js

vms.js

183 ms

elqCfg.min.js

elqCfg.min.js

15 ms

ajax-loader.gif

ajax-loader.gif

47 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

47 ms

collect

collect

17 ms

svrGP

svrGP

91 ms

53 ms

collect

collect

69 ms

bc.pv

bc.pv

58 ms

ga-audiences

ga-audiences

21 ms

ColeParmer_Print.css

ColeParmer_Print.css

30 ms

browser_update.min.js

browser_update.min.js

30 ms

Accessibility Review

coleparmer.co.uk accessibility score

67

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-*] attributes do not match their roles

High

[role] values are not valid

High

ARIA IDs are not unique

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

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

coleparmer.co.uk best practices score

67

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

coleparmer.co.uk SEO score

84

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coleparmer.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Coleparmer.co.uk 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

coleparmer.co.uk

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