Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 92

    SEO

    Google-friendlier than
    79% of websites

heise-online.mobi

heise online - IT-News, Nachrichten und Hintergründe

Page Load Speed

2.8 sec in total

First Response

277 ms

Resources Loaded

2 sec

Page Rendered

484 ms

heise-online.mobi screenshot

About Website

Click here to check amazing Heise Online content. Otherwise, check out these important facts you probably never knew about heise-online.mobi

News und Foren zu Computer, IT, Wissenschaft, Medien und Politik. Preisvergleich von Hardware und Software sowie Downloads bei Heise Medien.

Visit heise-online.mobi

Key Findings

We analyzed Heise-online.mobi page load time and found that the first response time was 277 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

heise-online.mobi performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value2,860 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

heise-online.mobi

277 ms

m.heise.de

394 ms

mobi2013.css

277 ms

iam.js

329 ms

webtrekk-v4-bundle-heise-2016-02-11.js

269 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Heise-online.mobi, 47% (26 requests) were made to M.f.ix.de and 20% (11 requests) were made to M.heise.de. The less responsive or slowest element that took the longest time to load (905 ms) relates to the external source M.f.ix.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 223.8 kB (53%)

Content Size

420.2 kB

After Optimization

196.4 kB

In fact, the total size of Heise-online.mobi main page is 420.2 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. 35% of websites need less resources to load. Javascripts take 234.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 67.7 kB

  • Original 91.4 kB
  • After minification 81.3 kB
  • After compression 23.7 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 10.2 kB, which is 11% 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 67.7 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 1.9 kB

  • Original 93.9 kB
  • After minification 92.1 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. Heise Online images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 154.2 kB

  • Original 234.8 kB
  • After minification 230.6 kB
  • After compression 80.6 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 154.2 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (24%)

Requests Now

51

After Optimization

39

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heise Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

heise-online.mobi accessibility score

62

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-*] attributes are not valid or misspelled

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

Best Practices

heise-online.mobi best practices score

83

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

heise-online.mobi 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 Heise-online.mobi 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 Heise-online.mobi 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

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