Tools & Wizards About Us
colosseumdental.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

colosseumdental.co.uk

Dentist & Orthodonists across the UK - Colosseum Dental

Page Load Speed

9.2 sec in total

First Response

429 ms

Resources Loaded

7.9 sec

Page Rendered

837 ms

colosseumdental.co.uk screenshot

About Website

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

Find your local dentist. ✅ 70+ local dental clinics. ✅ 750,000 NHS & Private patients. ✅ Emergency dentists. Click to learn more about Colosseum Dental.

Visit colosseumdental.co.uk

Key Findings

We analyzed Colosseumdental.co.uk page load time and found that the first response time was 429 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

colosseumdental.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value990 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.395

26/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

colosseumdental.co.uk

429 ms

www.colosseumdental.co.uk

971 ms

gtm.js

154 ms

GetResource.ashx

232 ms

WebForms.js

50 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 35% of them (17 requests) were addressed to the original Colosseumdental.co.uk, 37% (18 requests) were made to Colosseummedia.azureedge.net and 8% (4 requests) were made to Ajax.aspnetcdn.com. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Colosseummedia.azureedge.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 255.1 kB (5%)

Content Size

5.5 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Colosseumdental.co.uk main page is 5.5 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. 60% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 64.8 kB

  • Original 95.0 kB
  • After minification 82.5 kB
  • After compression 30.2 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 12.5 kB, which is 13% 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 64.8 kB or 68% of the original size.

Image Optimization

-3%

Potential reduce by 146.7 kB

  • Original 4.9 MB
  • After minification 4.7 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. Colosseum Dental images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 43.6 kB

  • Original 503.5 kB
  • After minification 503.5 kB
  • After compression 459.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 15 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.3 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. Colosseumdental.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (21%)

Requests Now

43

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colosseum Dental. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

colosseumdental.co.uk

colosseumdental.co.uk

429 ms

www.colosseumdental.co.uk

www.colosseumdental.co.uk

971 ms

gtm.js

gtm.js

154 ms

GetResource.ashx

GetResource.ashx

232 ms

WebForms.js

WebForms.js

50 ms

GetResource.ashx

GetResource.ashx

349 ms

WebUIValidation.js

WebUIValidation.js

52 ms

api.js

api.js

72 ms

MicrosoftAjax.js

MicrosoftAjax.js

53 ms

MicrosoftAjaxWebForms.js

MicrosoftAjaxWebForms.js

53 ms

main.min.js

main.min.js

578 ms

js

js

80 ms

Homepage-Banners_Facial-aesthetics-v1_Desktop

Homepage-Banners_Facial-aesthetics-v1_Desktop

2376 ms

Homepage-Banners_Dental-Implants_Desktop-1

Homepage-Banners_Dental-Implants_Desktop-1

3298 ms

Homepage-Banners_Whitening_Desktop

Homepage-Banners_Whitening_Desktop

3433 ms

Homepage-Banners_Hygienist_Desktop

Homepage-Banners_Hygienist_Desktop

3812 ms

Homepage-Banners_Careers_Desktop_GPTW

Homepage-Banners_Careers_Desktop_GPTW

4043 ms

Logo.svg

Logo.svg

483 ms

Logo_Mobile.png

Logo_Mobile.png

486 ms

NHS-Logo.png

NHS-Logo.png

571 ms

NHS-Logo_Mobile.png

NHS-Logo_Mobile.png

491 ms

Steps_Mobile.png

Steps_Mobile.png

851 ms

recaptcha__en_gb.js

recaptcha__en_gb.js

68 ms

Homepage-Banners_Facial-aesthetics-v1_Mobile

Homepage-Banners_Facial-aesthetics-v1_Mobile

3585 ms

Homepage-Banners_Dental-Implants_Mobile

Homepage-Banners_Dental-Implants_Mobile

3381 ms

Homepage-Banners_Whitening_Mobile

Homepage-Banners_Whitening_Mobile

3907 ms

Homepage-Banners_Hygienist_Mobile

Homepage-Banners_Hygienist_Mobile

3902 ms

Homepage-Banners_Careers_Mobile_GPTW

Homepage-Banners_Careers_Mobile_GPTW

4317 ms

8

8

4165 ms

18

18

4457 ms

36

36

5057 ms

Fresh-Breath

Fresh-Breath

4376 ms

19

19

4406 ms

Big-Bright-Smiles

Big-Bright-Smiles

4686 ms

FLKSTNE_0039-min

FLKSTNE_0039-min

6244 ms

First-Steps

First-Steps

4893 ms

symbols.svg

symbols.svg

423 ms

Curve_Positive.svg

Curve_Positive.svg

492 ms

Curve_Negative_Mint.svg

Curve_Negative_Mint.svg

476 ms

Curve_Positive_Mint.svg

Curve_Positive_Mint.svg

516 ms

Curve_Shadow_Up.svg

Curve_Shadow_Up.svg

584 ms

castledown-regular.woff

castledown-regular.woff

547 ms

castledown-heavy.woff

castledown-heavy.woff

868 ms

fallback

fallback

34 ms

fallback__ltr.css

fallback__ltr.css

4 ms

css

css

36 ms

logo_48.png

logo_48.png

6 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

15 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

19 ms

Accessibility Review

colosseumdental.co.uk accessibility score

77

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

colosseumdental.co.uk 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

colosseumdental.co.uk SEO score

92

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

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

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 Colosseumdental.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 Colosseumdental.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

colosseumdental.co.uk

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