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capturedlightning.com screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

capturedlightning.com

Captured Lightning - Bert Hickman's web site about Lichtenberg Figures, Coin Shrinking, Nikola Tesla, Pulsed Power, and big Arcs and Sparks

Page Load Speed

580 ms in total

First Response

62 ms

Resources Loaded

404 ms

Page Rendered

114 ms

capturedlightning.com screenshot

About Website

Welcome to capturedlightning.com homepage info - get ready to check Captured Lightning best content for United States right away, or after learning these important things about capturedlightning.com

Lichtenberg figures (

Visit capturedlightning.com

Key Findings

We analyzed Capturedlightning.com page load time and found that the first response time was 62 ms and then it took 518 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

capturedlightning.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

capturedlightning.com

62 ms

capturedlightning.com

87 ms

buttons.js

8 ms

t.js

37 ms

buttons.js

12 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 67% of them (16 requests) were addressed to the original Capturedlightning.com, 8% (2 requests) were made to W.sharethis.com and 8% (2 requests) were made to Nht-2.extreme-dm.com. The less responsive or slowest element that took the longest time to load (186 ms) belongs to the original domain Capturedlightning.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.4 kB (14%)

Content Size

175.4 kB

After Optimization

150.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Capturedlightning.com main page is 175.4 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 117.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 22.8 kB

  • Original 29.9 kB
  • After minification 28.1 kB
  • After compression 7.1 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 22.8 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 2.6 kB

  • Original 117.5 kB
  • After minification 114.9 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. Captured Lightning images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 33 B

  • Original 28.0 kB
  • After minification 28.0 kB
  • After compression 27.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

  • AJAX
  • Images
  • JavaScript

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Captured Lightning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

capturedlightning.com

capturedlightning.com

62 ms

capturedlightning.com

capturedlightning.com

87 ms

buttons.js

buttons.js

8 ms

t.js

t.js

37 ms

buttons.js

buttons.js

12 ms

logocoil3.jpg

logocoil3.jpg

79 ms

sdk.js

sdk.js

18 ms

widgets.js

widgets.js

37 ms

biglogobody2.jpg

biglogobody2.jpg

62 ms

IMG_2368b.jpg

IMG_2368b.jpg

94 ms

Quarter_5000J1b.jpg

Quarter_5000J1b.jpg

63 ms

500_kV_Switch1a.jpg

500_kV_Switch1a.jpg

61 ms

SAC_F2b.jpg

SAC_F2b.jpg

64 ms

litn3.gif

litn3.gif

148 ms

Mendocino2a.jpg

Mendocino2a.jpg

117 ms

bert2.gif

bert2.gif

118 ms

hotstreamer.gif

hotstreamer.gif

117 ms

Pulsed_Large7b.jpg

Pulsed_Large7b.jpg

128 ms

portret1a.jpg

portret1a.jpg

147 ms

book1.gif

book1.gif

186 ms

i.gif

i.gif

172 ms

n2.g

n2.g

3 ms

sdk.js

sdk.js

5 ms

74 ms

Accessibility Review

capturedlightning.com accessibility score

87

Accessibility Issues

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

capturedlightning.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

capturedlightning.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Capturedlightning.com 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 Capturedlightning.com main page’s claimed encoding is windows-1252. 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

capturedlightning.com

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