Access diamondsecurity.co.uk. Fire Detection & Security Systems Bedford

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value2.08

0/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

diamondsecurity.co.uk

275 ms

www.diamondsecurity.co.uk

784 ms

js

59 ms

bootstrap.min.css

172 ms

font-awesome.css

256 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 87% of them (60 requests) were addressed to the original Diamondsecurity.co.uk, 6% (4 requests) were made to Tile.openstreetmap.org and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (849 ms) belongs to the original domain Diamondsecurity.co.uk.

Content Size

1.1 MB

After Optimization

971.9 kB

In fact, the total size of Diamondsecurity.co.uk main page is 1.1 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. 50% of websites need less resources to load. Images take 851.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 30.5 kB

Original 40.0 kB
After minification 35.9 kB
After compression 9.5 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. 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 30.5 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 68.6 kB

Original 851.0 kB
After minification 782.4 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. Diamond Security images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 42.9 kB

Original 189.1 kB
After minification 189.1 kB
After compression 146.3 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 42.9 kB or 23% of the original size.

CSS Optimization

-32%

Potential reduce by 16.0 kB

Original 49.7 kB
After minification 49.7 kB
After compression 33.8 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. Diamondsecurity.co.uk needs all CSS files to be minified and compressed as it can save up to 16.0 kB or 32% of the original size.

Requests Now

After Optimization

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diamond Security. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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 Diamondsecurity.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 Diamondsecurity.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

diamondsecurity.co.uk

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Fire Detection & Security Systems Bedford | Diamond Fire & Security (UK) Ltd

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

diamondsecurity.co.uk

www.diamondsecurity.co.uk

js

bootstrap.min.css

font-awesome.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

diamondsecurity.co.uk

www.diamondsecurity.co.uk

js

bootstrap.min.css

font-awesome.css

font-awesome-animation.css

bootstrap-social.css

leaflet.css

styles.asp

header01.asp

jquery.1.11.0.js

bootstrap.min.js

bootstrap-dialog.min.js

owl.carousel.min.js

validate.js

custom.js

header01.js

sticky-tabs.min.js

simplyscroll.custom.min.js

vscroller.min.js

leaflet.js

blueimp-gallery.css

blueimp-gallery.min.js

jquery.select2list.min.js

spin.min.js

imagezoom.css

jquery.imagezoom.js

es-cus.css

modernizr.custom.17475.js

jquery.elastislide.js

css

Logo.png

DiamondSecurity-MainBanner-2000x735-1.jpg

DiamondSecurity-MainBanner-1200x735-1.jpg

DiamondSecurity-MainBanner-750x500-1.jpg

DiamondSecurity-MainBanner-450x500-1.jpg

DiamondSecurity-MainBanner-1200x735-2.jpg

DiamondSecurity-MainBanner-750x500-2.jpg

DiamondSecurity-MainBanner-450x500-2.jpg

DiamondSecurity-MainBanner-1200x735-3.jpg

DiamondSecurity-MainBanner-750x500-3.jpg

DiamondSecurity-MainBanner-450x500-3.jpg

1.jpg