Tools & Wizards About Us
blitzortung.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 0

    Best Practices

  • 96

    SEO

    Google-friendlier than
    90% of websites

blitzortung.org

Lightning & Thunderstorms - World Map

Page Load Speed

3.8 sec in total

First Response

327 ms

Resources Loaded

3.4 sec

Page Rendered

121 ms

blitzortung.org screenshot

About Website

Welcome to blitzortung.org homepage info - get ready to check Blitzortung best content for Poland right away, or after learning these important things about blitzortung.org

Blitzortung.org provides lightning and thunderstorm information in real-time on maps for USA, United Kingdom, Australia, new Zealand, Europa, Africa, Asia and other Countries.

Visit blitzortung.org

Key Findings

We analyzed Blitzortung.org page load time and found that the first response time was 327 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

blitzortung.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value160,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value178.8 s

0/100

10%

Network Requests Diagram

blitzortung.org

327 ms

www.blitzortung.org

770 ms

live_lightning_maps.php

143 ms

font-awesome.min.css

119 ms

blitzortung.css

236 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 50% of them (25 requests) were addressed to the original Blitzortung.org, 12% (6 requests) were made to Pagead2.googlesyndication.com and 12% (6 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Counter.blitzortung.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.6 kB (42%)

Content Size

918.3 kB

After Optimization

535.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blitzortung.org main page is 918.3 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. 40% of websites need less resources to load. Javascripts take 761.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 24.5 kB

  • Original 33.7 kB
  • After minification 32.1 kB
  • After compression 9.2 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 24.5 kB or 73% of the original size.

Image Optimization

-26%

Potential reduce by 21.1 kB

  • Original 81.6 kB
  • After minification 60.6 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, Blitzortung needs image optimization as it can save up to 21.1 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-40%

Potential reduce by 304.6 kB

  • Original 761.6 kB
  • After minification 757.1 kB
  • After compression 457.0 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 304.6 kB or 40% of the original size.

CSS Optimization

-79%

Potential reduce by 32.5 kB

  • Original 41.4 kB
  • After minification 37.9 kB
  • After compression 8.9 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. Blitzortung.org needs all CSS files to be minified and compressed as it can save up to 32.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (68%)

Requests Now

44

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blitzortung. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blitzortung.org

blitzortung.org

327 ms

www.blitzortung.org

www.blitzortung.org

770 ms

live_lightning_maps.php

live_lightning_maps.php

143 ms

font-awesome.min.css

font-awesome.min.css

119 ms

blitzortung.css

blitzortung.css

236 ms

CookiesConsent.css

CookiesConsent.css

308 ms

lbr.js

lbr.js

307 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

511 ms

adsbygoogle.js

adsbygoogle.js

105 ms

index.js

index.js

309 ms

live_lightning_maps.js

live_lightning_maps.js

408 ms

earth.png

earth.png

120 ms

eu.png

eu.png

106 ms

au.png

au.png

107 ms

us.png

us.png

108 ms

as.png

as.png

106 ms

sa.png

sa.png

108 ms

af.png

af.png

204 ms

Kreis_gray.png

Kreis_gray.png

204 ms

Antenne_gray.png

Antenne_gray.png

204 ms

Lautsprecher_gray.png

Lautsprecher_gray.png

204 ms

image_b_earth.png

image_b_earth.png

305 ms

facebook.png

facebook.png

234 ms

twitter.png

twitter.png

304 ms

cookie.jpg

cookie.jpg

405 ms

show_ads_impl.js

show_ads_impl.js

378 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

440 ms

bo.js

bo.js

1081 ms

zrt_lookup.html

zrt_lookup.html

29 ms

ads

ads

471 ms

ads

ads

808 ms

ads

ads

96 ms

ca-pub-6007590914292843

ca-pub-6007590914292843

67 ms

load_preloaded_resource.js

load_preloaded_resource.js

33 ms

abg_lite.js

abg_lite.js

31 ms

s

s

21 ms

window_focus.js

window_focus.js

29 ms

qs_click_protection.js

qs_click_protection.js

38 ms

ufs_web_display.js

ufs_web_display.js

22 ms

bbcd6bf18c20baa1b2adeb195de9b551.js

bbcd6bf18c20baa1b2adeb195de9b551.js

170 ms

icon.png

icon.png

18 ms

css

css

37 ms

piwik.php

piwik.php

189 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

147 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrzjJ5llpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrzjJ5llpyw.ttf

148 ms

6260947664971853486

6260947664971853486

112 ms

one_click_handler_one_afma.js

one_click_handler_one_afma.js

56 ms

activeview

activeview

206 ms

activeview

activeview

182 ms

wzW03wSMKGadcZM3w2SLC_Xpa1daedvy2LBHVDfiSZI.js

wzW03wSMKGadcZM3w2SLC_Xpa1daedvy2LBHVDfiSZI.js

15 ms

Accessibility Review

blitzortung.org accessibility score

97

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.

SEO Factors

blitzortung.org SEO score

96

Search Engine Optimization Advices

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 Blitzortung.org 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 Blitzortung.org 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

blitzortung.org

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