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lightningdiversion.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lightningdiversion.com

Lightning Diversion Systems - superior lightning protection for aerospace and wind turbines

Page Load Speed

2.5 sec in total

First Response

472 ms

Resources Loaded

1.8 sec

Page Rendered

256 ms

lightningdiversion.com screenshot

About Website

Click here to check amazing Lightning Diversion content. Otherwise, check out these important facts you probably never knew about lightningdiversion.com

Lightning Diversion Systems is the global market leader in the design and manufacture of innovative lightning protection devices and products for aerospace and wind turbine protection

Visit lightningdiversion.com

Key Findings

We analyzed Lightningdiversion.com page load time and found that the first response time was 472 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

lightningdiversion.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value4.7 s

70/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.781

5/100

15%

TTI (Time to Interactive)

Value6.2 s

61/100

10%

Network Requests Diagram

lightningdiversion.com

472 ms

js

87 ms

js

171 ms

css

51 ms

all.css

76 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 69% of them (24 requests) were addressed to the original Lightningdiversion.com, 11% (4 requests) were made to Googletagmanager.com and 9% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (544 ms) belongs to the original domain Lightningdiversion.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 312.5 kB (17%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lightningdiversion.com main page is 1.8 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 9.0 kB

  • Original 11.6 kB
  • After minification 8.8 kB
  • After compression 2.6 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 2.8 kB, which is 24% 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 9.0 kB or 78% of the original size.

Image Optimization

-17%

Potential reduce by 295.8 kB

  • Original 1.8 MB
  • After minification 1.5 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. Obviously, Lightning Diversion needs image optimization as it can save up to 295.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 4.4 kB

  • Original 34.4 kB
  • After minification 34.4 kB
  • After compression 30.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.4 kB or 13% of the original size.

CSS Optimization

-40%

Potential reduce by 3.4 kB

  • Original 8.5 kB
  • After minification 8.5 kB
  • After compression 5.1 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. Lightningdiversion.com needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (44%)

Requests Now

27

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lightning Diversion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

lightningdiversion.com

lightningdiversion.com

472 ms

js

js

87 ms

js

js

171 ms

css

css

51 ms

all.css

all.css

76 ms

jquery.bxslider.css

jquery.bxslider.css

146 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

39 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

331 ms

jquery.placeholder.js

jquery.placeholder.js

400 ms

jquery.panelToggle.js

jquery.panelToggle.js

411 ms

jquery.openclose.js

jquery.openclose.js

426 ms

jquery.init-plugins.js

jquery.init-plugins.js

407 ms

common.js

common.js

409 ms

main.js

main.js

407 ms

js

js

124 ms

analytics.js

analytics.js

48 ms

js

js

161 ms

collect

collect

152 ms

lds_home.png

lds_home.png

73 ms

sprite.png

sprite.png

74 ms

none.gif

none.gif

72 ms

DiverterStripsCover2.png

DiverterStripsCover2.png

357 ms

SurgeSuppressorCover.png

SurgeSuppressorCover.png

337 ms

ConformalShieldsCover.png

ConformalShieldsCover.png

338 ms

ShockTapeCover.png

ShockTapeCover.png

342 ms

companies.jpg

companies.jpg

207 ms

slider_aircraft.png

slider_aircraft.png

481 ms

slider_testing.png

slider_testing.png

544 ms

slider_wind_turbines.png

slider_wind_turbines.png

473 ms

lds_home-1.png

lds_home-1.png

409 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

48 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

51 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

55 ms

sprite.png

sprite.png

70 ms

proxima-nova-semibold.svg

proxima-nova-semibold.svg

71 ms

Accessibility Review

lightningdiversion.com accessibility score

45

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

lightningdiversion.com best practices score

67

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

SEO Factors

lightningdiversion.com SEO score

92

Search Engine Optimization Advices

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 Lightningdiversion.com 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 Lightningdiversion.com 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

lightningdiversion.com

Open Graph description is not detected on the main page of Lightning Diversion. 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: