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radartutorial.eu screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

radartutorial.eu

Grundlagen der Radartechnik

Page Load Speed

2.2 sec in total

First Response

360 ms

Resources Loaded

1.7 sec

Page Rendered

160 ms

radartutorial.eu screenshot

About Website

Welcome to radartutorial.eu homepage info - get ready to check Radartutorial best content for United States right away, or after learning these important things about radartutorial.eu

Wie funktioniert ein Radargerät, wozu wird es genutzt: Übersichten, Blockschaltbilder und Details über Technologien und Gerätetechnik.

Visit radartutorial.eu

Key Findings

We analyzed Radartutorial.eu page load time and found that the first response time was 360 ms and then it took 1.9 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

radartutorial.eu performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.049

2/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

radartutorial.eu

360 ms

www.radartutorial.eu

448 ms

screen.css

280 ms

logo.svg

329 ms

socialnetworks.de.js

130 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 44% of them (25 requests) were addressed to the original Radartutorial.eu, 18% (10 requests) were made to Google.com and 12% (7 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (609 ms) belongs to the original domain Radartutorial.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.6 kB (31%)

Content Size

412.3 kB

After Optimization

285.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radartutorial.eu main page is 412.3 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. 55% of websites need less resources to load. Images take 194.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 28.1 kB

  • Original 38.6 kB
  • After minification 37.2 kB
  • After compression 10.4 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 28.1 kB or 73% of the original size.

Image Optimization

-8%

Potential reduce by 16.4 kB

  • Original 194.3 kB
  • After minification 177.9 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. Radartutorial images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 8.3 kB

  • Original 90.5 kB
  • After minification 89.8 kB
  • After compression 82.3 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

-83%

Potential reduce by 73.8 kB

  • Original 88.9 kB
  • After minification 69.3 kB
  • After compression 15.2 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. Radartutorial.eu needs all CSS files to be minified and compressed as it can save up to 73.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (48%)

Requests Now

52

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radartutorial. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

radartutorial.eu

radartutorial.eu

360 ms

www.radartutorial.eu

www.radartutorial.eu

448 ms

screen.css

screen.css

280 ms

logo.svg

logo.svg

329 ms

socialnetworks.de.js

socialnetworks.de.js

130 ms

plusone.js

plusone.js

102 ms

widgets.js

widgets.js

6 ms

vorschau.jpg

vorschau.jpg

609 ms

tracking.jpg

tracking.jpg

390 ms

cse.js

cse.js

45 ms

grad1.png

grad1.png

149 ms

solarisation.png

solarisation.png

151 ms

icons.png

icons.png

197 ms

comnav-arrow.png

comnav-arrow.png

221 ms

ico16.png

ico16.png

222 ms

flaggen.png

flaggen.png

220 ms

kelvin_hughes_surveillance_systems.png

kelvin_hughes_surveillance_systems.png

317 ms

easat.png

easat.png

318 ms

spx.png

spx.png

338 ms

miweko140.png

miweko140.png

409 ms

adselex2.png

adselex2.png

337 ms

koe.png

koe.png

402 ms

ad1.png

ad1.png

402 ms

88.png

88.png

407 ms

html580.png

html580.png

406 ms

QR_URL.de.png

QR_URL.de.png

498 ms

ga.js

ga.js

55 ms

quant.js

quant.js

53 ms

cse.js

cse.js

155 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

68 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

93 ms

fastbutton

fastbutton

219 ms

pixel;r=615941455;a.1=p-1cl-1D3BKnOMI;labels.1=Radartutorial;a.2=p-dd9kzcxjumzLc;labels.2=www.radartutorial.eu;fpan=1;fpa=P0-1024497078-1456771581973;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1456771581972;tzo=-180;ref=;url=http%3A%2F%2Fwww.radartutorial.eu%2F;ogl=

pixel;r=615941455;a.1=p-1cl-1D3BKnOMI;labels.1=Radartutorial;a.2=p-dd9kzcxjumzLc;labels.2=www.radartutorial.eu;fpan=1;fpa=P0-1024497078-1456771581973;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1456771581972;tzo=-180;ref=;url=http%3A%2F%2Fwww.radartutorial.eu%2F;ogl=

55 ms

__utm.gif

__utm.gif

33 ms

like.php

like.php

249 ms

postmessageRelay

postmessageRelay

52 ms

jsapi

jsapi

42 ms

api.js

api.js

31 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

110 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

67 ms

default+de.css

default+de.css

11 ms

default.css

default.css

73 ms

default+de.I.js

default+de.I.js

40 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

48 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

45 ms

default.css

default.css

83 ms

async-ads.js

async-ads.js

103 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

55 ms

small-logo.png

small-logo.png

38 ms

search_box_icon.png

search_box_icon.png

27 ms

clear.gif

clear.gif

28 ms

nav_logo114.png

nav_logo114.png

15 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

148 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

164 ms

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

78 ms

printer.css

printer.css

98 ms

handheld.css

handheld.css

97 ms

Accessibility Review

radartutorial.eu accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

radartutorial.eu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

radartutorial.eu SEO score

100

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radartutorial.eu can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Radartutorial.eu 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

radartutorial.eu

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