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deltasecurity.co.uk screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

deltasecurity.co.uk

Delta Security | Helping you solve your security issues

Page Load Speed

1.9 sec in total

First Response

287 ms

Resources Loaded

1.5 sec

Page Rendered

104 ms

deltasecurity.co.uk screenshot

About Website

Welcome to deltasecurity.co.uk homepage info - get ready to check Delta Security best content right away, or after learning these important things about deltasecurity.co.uk

Delta Security. Comprehensive service for the sale, installation and maintenance of all manner of security equipment.

Visit deltasecurity.co.uk

Key Findings

We analyzed Deltasecurity.co.uk page load time and found that the first response time was 287 ms and then it took 1.6 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

deltasecurity.co.uk performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

deltasecurity.co.uk

287 ms

adsbygoogle.js

524 ms

screen_home.css

96 ms

animate.css

176 ms

liquid-slider.css

177 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 86% of them (48 requests) were addressed to the original Deltasecurity.co.uk, 4% (2 requests) were made to Pagead2.googlesyndication.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (952 ms) belongs to the original domain Deltasecurity.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.4 kB (16%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deltasecurity.co.uk main page is 1.4 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 11.9 kB

  • Original 16.6 kB
  • After minification 14.5 kB
  • After compression 4.7 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. This page needs HTML code to be minified as it can gain 2.1 kB, which is 12% 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 11.9 kB or 71% of the original size.

Image Optimization

-20%

Potential reduce by 209.6 kB

  • Original 1.1 MB
  • After minification 847.6 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, Delta Security needs image optimization as it can save up to 209.6 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 307.4 kB
  • After minification 307.4 kB
  • After compression 306.1 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

-26%

Potential reduce by 2.7 kB

  • Original 10.3 kB
  • After minification 10.3 kB
  • After compression 7.6 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. Deltasecurity.co.uk needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (13%)

Requests Now

54

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

deltasecurity.co.uk

deltasecurity.co.uk

287 ms

adsbygoogle.js

adsbygoogle.js

524 ms

screen_home.css

screen_home.css

96 ms

animate.css

animate.css

176 ms

liquid-slider.css

liquid-slider.css

177 ms

jquery.min.js

jquery.min.js

7 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

186 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

187 ms

jquery.liquid-slider-custom.min.js

jquery.liquid-slider-custom.min.js

188 ms

analytics.js

analytics.js

46 ms

rol_access_control_sys_on.png

rol_access_control_sys_on.png

95 ms

rol_all_types_of_security_grilles_on.png

rol_all_types_of_security_grilles_on.png

92 ms

rol_audio_video_door_entry_systems_on.png

rol_audio_video_door_entry_systems_on.png

87 ms

rol_delta_model_9_doors_on.png

rol_delta_model_9_doors_on.png

89 ms

rol_digital_closed_circuit_television_on.png

rol_digital_closed_circuit_television_on.png

88 ms

rol_electric_gates_on.png

rol_electric_gates_on.png

90 ms

rol_identification_badges_on.png

rol_identification_badges_on.png

174 ms

rol_intruder_alarms_on.png

rol_intruder_alarms_on.png

175 ms

rol_master_keyed_systems_on.png

rol_master_keyed_systems_on.png

178 ms

rol_rising_bollards_on.png

rol_rising_bollards_on.png

178 ms

rol_safes_opened_installed_on.png

rol_safes_opened_installed_on.png

181 ms

rol_salto_systems_on.png

rol_salto_systems_on.png

187 ms

rol_steel_gates_automated_barriers_on.png

rol_steel_gates_automated_barriers_on.png

260 ms

rol_system_10_security_doors_on.png

rol_system_10_security_doors_on.png

261 ms

rol_telguard_systems_on.png

rol_telguard_systems_on.png

266 ms

rol_download_pdf_on.png

rol_download_pdf_on.png

266 ms

rol_perimeter_protection_on.png

rol_perimeter_protection_on.png

273 ms

rol_247_on.png

rol_247_on.png

282 ms

rol_asset_management_on.png

rol_asset_management_on.png

347 ms

rol_visitor_entry_systems_on.png

rol_visitor_entry_systems_on.png

348 ms

delta_logo.gif

delta_logo.gif

354 ms

slideshow_nav_previous.png

slideshow_nav_previous.png

354 ms

slideshow_nav_next.png

slideshow_nav_next.png

452 ms

slideshow_feature_01.jpg

slideshow_feature_01.jpg

561 ms

slideshow_feature_02.jpg

slideshow_feature_02.jpg

665 ms

slideshow_feature_03.jpg

slideshow_feature_03.jpg

606 ms

slideshow_feature_04.jpg

slideshow_feature_04.jpg

706 ms

slideshow_feature_05.jpg

slideshow_feature_05.jpg

619 ms

slideshow_feature_06.jpg

slideshow_feature_06.jpg

723 ms

hero_links_pic_2.png

hero_links_pic_2.png

665 ms

hero_links_pic_3.png

hero_links_pic_3.png

692 ms

hero_links_pic_4.png

hero_links_pic_4.png

707 ms

footer_mccadden_logo.gif

footer_mccadden_logo.gif

731 ms

safe-contractor-approved.png

safe-contractor-approved.png

842 ms

master-locksmiths-association.png

master-locksmiths-association.png

952 ms

camesafe-company.png

camesafe-company.png

794 ms

collect

collect

30 ms

js

js

65 ms

ssaib-certificated.png

ssaib-certificated.png

712 ms

logmein.jpg

logmein.jpg

728 ms

menu.png

menu.png

731 ms

arrow.png

arrow.png

796 ms

loading.gif

loading.gif

797 ms

show_ads_impl.js

show_ads_impl.js

296 ms

zrt_lookup.html

zrt_lookup.html

28 ms

ads

ads

30 ms

Accessibility Review

deltasecurity.co.uk accessibility score

79

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

Links do not have a discernible name

Best Practices

deltasecurity.co.uk best practices score

50

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

High

Page has valid source maps

SEO Factors

deltasecurity.co.uk SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

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

deltasecurity.co.uk

Open Graph description is not detected on the main page of Delta 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: