Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

helionline.net

Helionline.de - German Helicopters

Page Load Speed

6.5 sec in total

First Response

1 sec

Resources Loaded

5.3 sec

Page Rendered

192 ms

helionline.net screenshot

About Website

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

Helionline German Helicopters - Alles über deutsche zivile Hubschrauber und Helicopter inkl. riesiger Foto Datenbank und historischem Rotorcraft Archiv sowie ständig aktuellem Luftfahrt Register

Visit helionline.net

Key Findings

We analyzed Helionline.net page load time and found that the first response time was 1 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

helionline.net performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.191

64/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

helionline.net

1001 ms

style.css

289 ms

xajax.js

384 ms

calendar.js

589 ms

calendar-en.js

295 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 71% of them (27 requests) were addressed to the original Helionline.net, 26% (10 requests) were made to Web0.s7.flagbit.com and 3% (1 request) were made to Unwetterzentrale.de. The less responsive or slowest element that took the longest time to load (3.9 sec) relates to the external source Web0.s7.flagbit.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.5 kB (36%)

Content Size

255.7 kB

After Optimization

163.2 kB

In fact, the total size of Helionline.net main page is 255.7 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. Only 10% of websites need less resources to load. Images take 150.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 12.0 kB

  • Original 14.8 kB
  • After minification 14.8 kB
  • After compression 2.8 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 12.0 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 8.0 kB

  • Original 150.1 kB
  • After minification 142.1 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. Helionline images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 62.3 kB

  • Original 78.4 kB
  • After minification 56.2 kB
  • After compression 16.1 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 62.3 kB or 79% of the original size.

CSS Optimization

-82%

Potential reduce by 10.2 kB

  • Original 12.4 kB
  • After minification 8.7 kB
  • After compression 2.2 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. Helionline.net needs all CSS files to be minified and compressed as it can save up to 10.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (30%)

Requests Now

37

After Optimization

26

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Helionline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

helionline.net accessibility score

65

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

helionline.net best practices score

75

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

Serves images with low resolution

SEO Factors

helionline.net SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Helionline.net 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 Helionline.net main page’s claimed encoding is iso-8859-1. 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

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