Tools & Wizards About Us
rechner.club screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

rechner.club

Rechner.Club - Nützliche Online-Rechner für den Alltag

Page Load Speed

2.6 sec in total

First Response

291 ms

Resources Loaded

2.2 sec

Page Rendered

77 ms

rechner.club screenshot

About Website

Visit rechner.club now to see the best up-to-date Rechner content for Germany and also check out these interesting facts you probably never knew about rechner.club

Rechnen ohne selbst zu rechnen! Nehmen Sie einfach unsere kostenlosen Online-Rechner. Entdecken Sie jetzt unsere Rechenwelten bei Rechner.Club für die schnelle Berechnung alltäglicher Dinge und darübe...

Visit rechner.club

Key Findings

We analyzed Rechner.club page load time and found that the first response time was 291 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rechner.club performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.179

67/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

rechner.club

291 ms

rechner.club

387 ms

www.rechner.club

599 ms

rc.css

184 ms

rc.js

277 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 70% of them (33 requests) were addressed to the original Rechner.club, 23% (11 requests) were made to Cdn.privacy-mgmt.com and 4% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (688 ms) belongs to the original domain Rechner.club.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.4 kB (14%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rechner.club main page is 1.3 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 708.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 24.1 kB

  • Original 35.2 kB
  • After minification 34.1 kB
  • After compression 11.1 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 24.1 kB or 68% of the original size.

Image Optimization

-11%

Potential reduce by 76.8 kB

  • Original 708.1 kB
  • After minification 631.2 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, Rechner needs image optimization as it can save up to 76.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 54.0 kB

  • Original 492.1 kB
  • After minification 492.1 kB
  • After compression 438.1 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 54.0 kB or 11% of the original size.

CSS Optimization

-63%

Potential reduce by 17.5 kB

  • Original 27.7 kB
  • After minification 22.9 kB
  • After compression 10.2 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. Rechner.club needs all CSS files to be minified and compressed as it can save up to 17.5 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

44

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rechner. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rechner.club

rechner.club

291 ms

rechner.club

rechner.club

387 ms

www.rechner.club

www.rechner.club

599 ms

rc.css

rc.css

184 ms

rc.js

rc.js

277 ms

wrapperMessagingWithoutDetection.js

wrapperMessagingWithoutDetection.js

20 ms

rechner.js

rechner.js

267 ms

adsbygoogle.js

adsbygoogle.js

47 ms

matomo.js

matomo.js

211 ms

haupt.png

haupt.png

130 ms

mastertool42.png

mastertool42.png

130 ms

kalender+monatskalender-2023-mit-bildern-puzzle.jpg

kalender+monatskalender-2023-mit-bildern-puzzle.jpg

315 ms

prozent-alltagsrechnen.png

prozent-alltagsrechnen.png

316 ms

zeit-datum-kalender.jpg

zeit-datum-kalender.jpg

275 ms

bauen-handwerken.jpg

bauen-handwerken.jpg

402 ms

haus-garten.jpg

haus-garten.jpg

405 ms

haushalt-wohnen.jpg

haushalt-wohnen.jpg

401 ms

auto-mobilitaet.jpg

auto-mobilitaet.jpg

367 ms

geld-finanzen.jpg

geld-finanzen.jpg

420 ms

essen-trinken.jpg

essen-trinken.jpg

410 ms

freizeit-reisen.jpg

freizeit-reisen.jpg

461 ms

basteln-handarbeit.jpg

basteln-handarbeit.jpg

495 ms

gesundheit.jpg

gesundheit.jpg

495 ms

kinder-familie.png

kinder-familie.png

496 ms

pflanzen-tiere.jpg

pflanzen-tiere.jpg

503 ms

rechnen-mathematik.jpg

rechnen-mathematik.jpg

502 ms

statistik-stochastik-wahrscheinlichkeit.png

statistik-stochastik-wahrscheinlichkeit.png

554 ms

internet-informatik-programmierung.png

internet-informatik-programmierung.png

680 ms

buchstaben-zahlen.png

buchstaben-zahlen.png

681 ms

physik-chemie.jpg

physik-chemie.jpg

589 ms

wetter-klima-naturphaenomene.jpg

wetter-klima-naturphaenomene.jpg

595 ms

sonne-mond-sterne.jpg

sonne-mond-sterne.jpg

596 ms

raetsel-spiele.png

raetsel-spiele.png

647 ms

sport-wettkampf.jpg

sport-wettkampf.jpg

682 ms

permanentlink-loeschen.jpg

permanentlink-loeschen.jpg

688 ms

gdpr-tcf.0b327789b5d246674c71.bundle.js

gdpr-tcf.0b327789b5d246674c71.bundle.js

77 ms

get_site_data

get_site_data

77 ms

show_ads_impl.js

show_ads_impl.js

94 ms

meta-data

meta-data

113 ms

matomo.php

matomo.php

552 ms

messages

messages

162 ms

pv-data

pv-data

17 ms

index.html

index.html

4 ms

polyfills.355e5.js

polyfills.355e5.js

2 ms

Notice.e0954.js

Notice.e0954.js

7 ms

Notice.3d382.css

Notice.3d382.css

17 ms

pv-data

pv-data

175 ms

Accessibility Review

rechner.club accessibility score

70

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rechner.club 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rechner.club 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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rechner.club 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 Rechner.club 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

rechner.club

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