Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

deltaobstructionlighting.co.uk

Aircraft Warning Lights | Delta Obstruction Lighting

Page Load Speed

9.4 sec in total

First Response

301 ms

Resources Loaded

8.6 sec

Page Rendered

473 ms

deltaobstructionlighting.co.uk screenshot

About Website

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

Delta Obstruction Lighting supply and fit Aircraft Warning Lights worldwide. Innovators in obstruction warning lights and bespoke led lighting.

Visit deltaobstructionlighting.co.uk

Key Findings

We analyzed Deltaobstructionlighting.co.uk page load time and found that the first response time was 301 ms and then it took 9.1 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

deltaobstructionlighting.co.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value2,100 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

deltaobstructionlighting.co.uk

301 ms

www.deltaobstructionlighting.com

1209 ms

js

55 ms

css

43 ms

style.css

200 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Deltaobstructionlighting.co.uk, 84% (103 requests) were made to Deltaobstructionlighting.com and 4% (5 requests) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Deltaobstructionlighting.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (31%)

Content Size

4.0 MB

After Optimization

2.8 MB

In fact, the total size of Deltaobstructionlighting.co.uk main page is 4.0 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. 55% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 83.1 kB

  • Original 107.0 kB
  • After minification 105.8 kB
  • After compression 24.0 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 83.1 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 41.7 kB

  • Original 2.4 MB
  • After minification 2.3 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. Delta Obstruction Lighting images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 767.3 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 355.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 767.3 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 332.6 kB

  • Original 387.6 kB
  • After minification 316.0 kB
  • After compression 55.0 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. Deltaobstructionlighting.co.uk needs all CSS files to be minified and compressed as it can save up to 332.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 84 (72%)

Requests Now

116

After Optimization

32

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta Obstruction Lighting. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

deltaobstructionlighting.co.uk accessibility score

88

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

deltaobstructionlighting.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

deltaobstructionlighting.co.uk SEO score

89

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

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

High

Tap targets are not sized appropriately

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 Deltaobstructionlighting.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 Deltaobstructionlighting.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

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