Tools & Wizards About Us
ecalc.ch screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ecalc.ch

eCalc - reliable electric drive simulations

Page Load Speed

2 sec in total

First Response

517 ms

Resources Loaded

1.3 sec

Page Rendered

168 ms

ecalc.ch screenshot

About Website

Visit ecalc.ch now to see the best up-to-date ECalc content for Switzerland and also check out these interesting facts you probably never knew about ecalc.ch

get your electric rc drive right ✓ fast & reliable simulation - no more guessing ✓ most comprehensive motor database ☆ prevents mispurchase since 2004

Visit ecalc.ch

Key Findings

We analyzed Ecalc.ch page load time and found that the first response time was 517 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ecalc.ch performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

ecalc.ch

517 ms

bootstrap.min.css

304 ms

show_ads.js

10 ms

jquery.min.js

409 ms

bootstrap.min.js

419 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 39% of them (12 requests) were addressed to the original Ecalc.ch, 16% (5 requests) were made to Pagead2.googlesyndication.com and 16% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (517 ms) belongs to the original domain Ecalc.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 232.5 kB (51%)

Content Size

452.8 kB

After Optimization

220.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ecalc.ch main page is 452.8 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 172.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 15.5 kB

  • Original 20.5 kB
  • After minification 17.6 kB
  • After compression 5.0 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 2.9 kB, which is 14% 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 15.5 kB or 76% of the original size.

Image Optimization

-19%

Potential reduce by 27.4 kB

  • Original 145.6 kB
  • After minification 118.2 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, ECalc needs image optimization as it can save up to 27.4 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 94.3 kB

  • Original 172.7 kB
  • After minification 172.6 kB
  • After compression 78.4 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 94.3 kB or 55% of the original size.

CSS Optimization

-84%

Potential reduce by 95.3 kB

  • Original 114.0 kB
  • After minification 113.9 kB
  • After compression 18.7 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. Ecalc.ch needs all CSS files to be minified and compressed as it can save up to 95.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ECalc. 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

ecalc.ch

ecalc.ch

517 ms

bootstrap.min.css

bootstrap.min.css

304 ms

show_ads.js

show_ads.js

10 ms

jquery.min.js

jquery.min.js

409 ms

bootstrap.min.js

bootstrap.min.js

419 ms

ga.js

ga.js

39 ms

image.php

image.php

354 ms

p_ecalclogo.gif

p_ecalclogo.gif

151 ms

p_propcalc.jpg

p_propcalc.jpg

441 ms

p_xcoptercalc.jpg

p_xcoptercalc.jpg

415 ms

p_helicalc.jpg

p_helicalc.jpg

407 ms

p_fancalc.jpg

p_fancalc.jpg

223 ms

f_follow.jpg

f_follow.jpg

277 ms

t_follow.jpg

t_follow.jpg

291 ms

ca-pub-8870605705552247.js

ca-pub-8870605705552247.js

66 ms

zrt_lookup.html

zrt_lookup.html

56 ms

show_ads_impl.js

show_ads_impl.js

71 ms

__utm.gif

__utm.gif

25 ms

ads

ads

233 ms

osd.js

osd.js

10 ms

ads

ads

242 ms

ads

ads

227 ms

glyphicons-halflings-regular.ttf

glyphicons-halflings-regular.ttf

231 ms

m_js_controller.js

m_js_controller.js

41 ms

abg.js

abg.js

62 ms

5453507774643762911

5453507774643762911

103 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

118 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

65 ms

s

s

54 ms

x_button_blue2.png

x_button_blue2.png

6 ms

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

8 ms

Accessibility Review

ecalc.ch accessibility score

85

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

ecalc.ch best practices score

75

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

SEO Factors

ecalc.ch SEO score

79

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Ecalc.ch 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 Ecalc.ch 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

ecalc.ch

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