Tools & Wizards About Us
zero-seven.co.uk screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zero-seven.co.uk

Zero:Seven Dental Practice | Dentist Clerkenwell EC1

Page Load Speed

5.1 sec in total

First Response

412 ms

Resources Loaded

3.9 sec

Page Rendered

736 ms

zero-seven.co.uk screenshot

About Website

Welcome to zero-seven.co.uk homepage info - get ready to check Zero Seven best content right away, or after learning these important things about zero-seven.co.uk

Zero:Seven Dental practice | Quality Dentistry & Excellent service for all of our patients | Farringdon | Best Dentist London | Book Online

Visit zero-seven.co.uk

Key Findings

We analyzed Zero-seven.co.uk page load time and found that the first response time was 412 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

zero-seven.co.uk performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.37

29/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

zero-seven.co.uk

412 ms

9cb57d3e8bbc982064319b5715dbc1b3.css

240 ms

jquery-3.1.1.min.js

47 ms

3ea28f53471afd7e38216eeae34e6359.js

185 ms

js

85 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 51% of them (28 requests) were addressed to the original Zero-seven.co.uk, 11% (6 requests) were made to Fonts.gstatic.com and 7% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Zero-seven.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.1 kB (3%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zero-seven.co.uk main page is 2.2 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. 65% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 57.5 kB

  • Original 72.2 kB
  • After minification 67.1 kB
  • After compression 14.7 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 57.5 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 499 B

  • Original 2.0 MB
  • After minification 2.0 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. Zero Seven images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 53 B

  • Original 60.1 kB
  • After minification 60.1 kB
  • After compression 60.1 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 7 B

  • Original 39.3 kB
  • After minification 39.3 kB
  • After compression 39.3 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. Zero-seven.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (47%)

Requests Now

47

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zero Seven. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zero-seven.co.uk

zero-seven.co.uk

412 ms

9cb57d3e8bbc982064319b5715dbc1b3.css

9cb57d3e8bbc982064319b5715dbc1b3.css

240 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

47 ms

3ea28f53471afd7e38216eeae34e6359.js

3ea28f53471afd7e38216eeae34e6359.js

185 ms

js

js

85 ms

get-script

get-script

65 ms

font-awesome.min.css

font-awesome.min.css

53 ms

aos.css

aos.css

66 ms

aos.js

aos.js

81 ms

d9d7752ce5fc349197156c0e11997dd4.js

d9d7752ce5fc349197156c0e11997dd4.js

242 ms

popper.min.js

popper.min.js

64 ms

bootstrap.min.js

bootstrap.min.js

57 ms

slick.css

slick.css

61 ms

slick.min.js

slick.min.js

69 ms

masonry.pkgd.js

masonry.pkgd.js

395 ms

f7bd7afb09da8bdf2be747c7d093e7cd.js

f7bd7afb09da8bdf2be747c7d093e7cd.js

264 ms

index.js

index.js

50 ms

css

css

49 ms

css

css

66 ms

css

css

72 ms

css2

css2

71 ms

cwb7ujo.css

cwb7ujo.css

87 ms

p.css

p.css

27 ms

gtm.js

gtm.js

105 ms

fbevents.js

fbevents.js

153 ms

btt-arrow-1.png

btt-arrow-1.png

102 ms

zeroseven-logo-pride-1.svg

zeroseven-logo-pride-1.svg

549 ms

iTero_-_In-Practice_-_Invisaline_-_JPEG_-_IMG79-e1653045854237.jpg

iTero_-_In-Practice_-_Invisaline_-_JPEG_-_IMG79-e1653045854237.jpg

785 ms

homepage-banner.jpg

homepage-banner.jpg

766 ms

childrens.jpg

childrens.jpg

761 ms

dermal.jpg

dermal.jpg

958 ms

plasmapen-main.jpg

plasmapen-main.jpg

957 ms

zero01-bg.png

zero01-bg.png

659 ms

home-invisalign.jpg

home-invisalign.jpg

965 ms

home-implants.jpg

home-implants.jpg

882 ms

home-whitening.jpg

home-whitening.jpg

863 ms

home-fillers.jpg

home-fillers.jpg

964 ms

zero02-bg.png

zero02-bg.png

949 ms

home-team1.jpg

home-team1.jpg

1054 ms

logo02.png

logo02.png

1034 ms

logo03.png

logo03.png

1037 ms

logo01.png

logo01.png

1036 ms

logo05.png

logo05.png

1046 ms

azzalure_logo.webp

azzalure_logo.webp

1053 ms

Boutique-Whitening-logo.webp

Boutique-Whitening-logo.webp

1128 ms

Association_of_Dental_Nurses.webp

Association_of_Dental_Nurses.webp

1127 ms

zeroseven-logo-white.svg

zeroseven-logo-white.svg

1116 ms

engineroom.svg

engineroom.svg

1136 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

108 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

169 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

470 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

470 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

521 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w-.ttf

522 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

406 ms

Accessibility Review

zero-seven.co.uk accessibility score

85

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.

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

zero-seven.co.uk 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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zero-seven.co.uk SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Zero-seven.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 Zero-seven.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

zero-seven.co.uk

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