Tools & Wizards About Us
doktorjon.co.uk screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

doktorjon.co.uk

Welcome to Doktor Jon's Guide to the Use and Application of CCTV

Page Load Speed

2.1 sec in total

First Response

352 ms

Resources Loaded

1.6 sec

Page Rendered

177 ms

doktorjon.co.uk screenshot

About Website

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

Doktor Jon's Guide to the Use and Application of Closed Circuit Television (CCTV) and IP Video surveillance systems

Visit doktorjon.co.uk

Key Findings

We analyzed Doktorjon.co.uk page load time and found that the first response time was 352 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

doktorjon.co.uk performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

doktorjon.co.uk

352 ms

trustedosbanner9.jpeg

321 ms

item903b1a3a1a1ax.gif

212 ms

item99ax.gif

218 ms

item901030x.gif

215 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that all of those requests were addressed to Doktorjon.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (942 ms) belongs to the original domain Doktorjon.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.9 kB (17%)

Content Size

632.2 kB

After Optimization

525.3 kB

  • HTML
  • Images

In fact, the total size of Doktorjon.co.uk main page is 632.2 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. 15% of websites need less resources to load. Images take 554.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 64.4 kB

  • Original 77.4 kB
  • After minification 76.8 kB
  • After compression 13.0 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. 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 64.4 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 42.6 kB

  • Original 554.8 kB
  • After minification 512.2 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. Doktor Jon images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 6 (21%)

Requests Now

28

After Optimization

22

  • Images

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doktor Jon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

doktorjon.co.uk

doktorjon.co.uk

352 ms

trustedosbanner9.jpeg

trustedosbanner9.jpeg

321 ms

item903b1a3a1a1ax.gif

item903b1a3a1a1ax.gif

212 ms

item99ax.gif

item99ax.gif

218 ms

item901030x.gif

item901030x.gif

215 ms

item901050x.gif

item901050x.gif

214 ms

item9004xx.gif

item9004xx.gif

224 ms

trustedsupporter.jpeg

trustedsupporter.jpeg

326 ms

twitterlogoa.jpeg

twitterlogoa.jpeg

324 ms

linkedinlogo.jpeg

linkedinlogo.jpeg

329 ms

trusted2015banne.jpeg

trusted2015banne.jpeg

330 ms

item912b1a4a3b2aa.gif

item912b1a4a3b2aa.gif

333 ms

item912b1a4a3b2ab.gif

item912b1a4a3b2ab.gif

426 ms

item912b1a4a3b2ac.gif

item912b1a4a3b2ac.gif

431 ms

item912b1a4a3b2ad.gif

item912b1a4a3b2ad.gif

437 ms

item912b1a4a3b2ae.gif

item912b1a4a3b2ae.gif

439 ms

item9002x.gif

item9002x.gif

435 ms

item99x.gif

item99x.gif

458 ms

item93aa.gif

item93aa.gif

543 ms

item93ab.gif

item93ab.gif

542 ms

item93ac.gif

item93ac.gif

541 ms

item93ad.gif

item93ad.gif

541 ms

item93ae.gif

item93ae.gif

548 ms

item93a3b1.gif

item93a3b1.gif

583 ms

djheader12c.jpeg

djheader12c.jpeg

775 ms

djheader12a.jpeg

djheader12a.jpeg

815 ms

trustedosbanner1.jpeg

trustedosbanner1.jpeg

809 ms

trusted2015banne.jpeg

trusted2015banne.jpeg

684 ms

trustedsupportera.jpeg

trustedsupportera.jpeg

677 ms

cctvbaubles.jpeg

cctvbaubles.jpeg

866 ms

heritagecam.jpeg

heritagecam.jpeg

892 ms

img0746.jpeg

img0746.jpeg

814 ms

dsc0694jpg.jpeg

dsc0694jpg.jpeg

915 ms

item93a3az.gif

item93a3az.gif

917 ms

item912b1a1xa.gif

item912b1a1xa.gif

908 ms

nciw2016banner.jpeg

nciw2016banner.jpeg

908 ms

viper2015bannerx.jpeg

viper2015bannerx.jpeg

912 ms

trustedosv211all.jpeg

trustedosv211all.jpeg

830 ms

item93a3b3.gif

item93a3b3.gif

855 ms

sloancam3a.jpeg

sloancam3a.jpeg

942 ms

trusted2015banne.jpeg

trusted2015banne.jpeg

782 ms

item912b1a4a3b2aa.gif

item912b1a4a3b2aa.gif

777 ms

item912b1a4a3b2ab.gif

item912b1a4a3b2ab.gif

690 ms

item912b1a4a3b2ac.gif

item912b1a4a3b2ac.gif

719 ms

item912b1a4a3b2ad.gif

item912b1a4a3b2ad.gif

739 ms

item912b1a4a3b2ae.gif

item912b1a4a3b2ae.gif

779 ms

item93ad.gif

item93ad.gif

676 ms

item93ac.gif

item93ac.gif

684 ms

item93ab.gif

item93ab.gif

719 ms

item93aa.gif

item93aa.gif

724 ms

item93ae.gif

item93ae.gif

743 ms

Accessibility Review

doktorjon.co.uk accessibility score

64

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.

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

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

<input type="image"> elements do not have [alt] text

Best Practices

doktorjon.co.uk best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

doktorjon.co.uk SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doktorjon.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 Doktorjon.co.uk main page’s claimed encoding is iso-8859-1. 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

doktorjon.co.uk

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