Tools & Wizards About Us
shop.heise.de screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

shop.heise.de

heise shop - IT-Zeitschriften, Fachbücher, eBooks, digitale Magazine und Gadgets | heise shop

Page Load Speed

12.3 sec in total

First Response

303 ms

Resources Loaded

4.3 sec

Page Rendered

7.7 sec

shop.heise.de screenshot

About Website

Click here to check amazing Shop Heise content for Germany. Otherwise, check out these important facts you probably never knew about shop.heise.de

Im heise Shop direkt: Unsere IT- und Technik Zeitschriften (c't, iX, Mac & i, Make:), c't Fotografie, Technology Review, Sonderhefte sowie IT-Fachbücher, eBooks und Gadgets.

Visit shop.heise.de

Key Findings

We analyzed Shop.heise.de page load time and found that the first response time was 303 ms and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

shop.heise.de performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value1.372

0/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

shop.heise.de

303 ms

shop.heise.de

596 ms

288689636920174

707 ms

kameleoon.js

37 ms

all.css

305 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 48% of them (24 requests) were addressed to the original Shop.heise.de, 42% (21 requests) were made to Heise.cloudimg.io and 2% (1 request) were made to Responder.wt.heise.de. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Heise.cloudimg.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 638.5 kB (4%)

Content Size

14.2 MB

After Optimization

13.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shop.heise.de main page is 14.2 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. 30% of websites need less resources to load. Images take 13.4 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 369.0 kB

  • Original 400.6 kB
  • After minification 198.9 kB
  • After compression 31.6 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 201.7 kB, which is 50% 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 369.0 kB or 92% of the original size.

Image Optimization

-1%

Potential reduce by 179.1 kB

  • Original 13.4 MB
  • After minification 13.2 MB

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. Shop Heise images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 90.0 kB

  • Original 347.0 kB
  • After minification 347.0 kB
  • After compression 257.0 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 90.0 kB or 26% of the original size.

CSS Optimization

-1%

Potential reduce by 410 B

  • Original 62.1 kB
  • After minification 62.1 kB
  • After compression 61.7 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. Shop.heise.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

48

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop Heise. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

shop.heise.de

shop.heise.de

303 ms

shop.heise.de

shop.heise.de

596 ms

288689636920174

288689636920174

707 ms

kameleoon.js

kameleoon.js

37 ms

all.css

all.css

305 ms

all.js

all.js

795 ms

6a5205a55dee373c351b4e5417662c55517f3c30_desinfect_2024_produktStickNEU.png

6a5205a55dee373c351b4e5417662c55517f3c30_desinfect_2024_produktStickNEU.png

966 ms

5e3e9bdacf70fb7402f73dce1d4871b5718f8ce0_3003hipbag_600x700.png

5e3e9bdacf70fb7402f73dce1d4871b5718f8ce0_3003hipbag_600x700.png

1116 ms

877d9149de6ccc0164c0fb09a38957b70a57d8d6_vk_Doss_schatten.png

877d9149de6ccc0164c0fb09a38957b70a57d8d6_vk_Doss_schatten.png

849 ms

dadc88a554be6f01cba248b268aa3e864b675e9c_oxocard_science_plus_shop_01.png

dadc88a554be6f01cba248b268aa3e864b675e9c_oxocard_science_plus_shop_01.png

495 ms

53dd84553b1a9db456b8d5662d1096f67e2df153_archiv_sticks_diverse_stoerer_make_11_23_1200x800px.jpg

53dd84553b1a9db456b8d5662d1096f67e2df153_archiv_sticks_diverse_stoerer_make_11_23_1200x800px.jpg

563 ms

9ad775a458621fecace167b5deff889566f48c87_archiv_sticks_diverse_stoerer_ct_83_23_1200x800px.jpg

9ad775a458621fecace167b5deff889566f48c87_archiv_sticks_diverse_stoerer_ct_83_23_1200x800px.jpg

697 ms

3f49b894da5a822771011fe5186edb405fc351e2_Nitrokey_3A_Mini_1500_1.jpg

3f49b894da5a822771011fe5186edb405fc351e2_Nitrokey_3A_Mini_1500_1.jpg

1092 ms

d9d62801d2ec9200a6492d8ff42c28e799b87a9e_ix_07_2024.jpg

d9d62801d2ec9200a6492d8ff42c28e799b87a9e_ix_07_2024.jpg

601 ms

6d87720aac9e5643d873e0838cfb0e659f918f49_ix.2024.13.cover_without_barcode.png

6d87720aac9e5643d873e0838cfb0e659f918f49_ix.2024.13.cover_without_barcode.png

1325 ms

9c4fe3528c028d57616933d38f35f75630344171_hb.2024.05.cover_without_barcode.png

9c4fe3528c028d57616933d38f35f75630344171_hb.2024.05.cover_without_barcode.png

1579 ms

2920cccbf2db4a4a93a0eadeddb0e11d2ff7d7a8_ct.2024.13.cover_without_barcode.png

2920cccbf2db4a4a93a0eadeddb0e11d2ff7d7a8_ct.2024.13.cover_without_barcode.png

1754 ms

1de82d77546699b95d1c04a6e17e985571b80a3b_ch.2024.03.cover_without_barcode.png

1de82d77546699b95d1c04a6e17e985571b80a3b_ch.2024.03.cover_without_barcode.png

1651 ms

01e74e991c95a9762a79b58222af6fba8aeb51e4_mi.2024.03.cover_without_barcode.png

01e74e991c95a9762a79b58222af6fba8aeb51e4_mi.2024.03.cover_without_barcode.png

1851 ms

e84bfcdeda9655705ec36e305154f344196c6f41_14039.jpg

e84bfcdeda9655705ec36e305154f344196c6f41_14039.jpg

1422 ms

fce498855f731fb78a264630e861da8f4152b06f_9783836299282_800.png

fce498855f731fb78a264630e861da8f4152b06f_9783836299282_800.png

2164 ms

9ce7068607ecb65f4c0e15cf3e1965a3c86d3d36_9783747506936.jpg

9ce7068607ecb65f4c0e15cf3e1965a3c86d3d36_9783747506936.jpg

2534 ms

32a10fd36334a17be6855d64e6b0e95a489073cd_9783836297639_800.png

32a10fd36334a17be6855d64e6b0e95a489073cd_9783836297639_800.png

2485 ms

ce851a0504acb4a0b665007eb780071fc4ff6fcd_leseprobe_rheinwerkverlag_geheimakte_computer_____everything_they_don___t_teach_you_about_tech_.png

ce851a0504acb4a0b665007eb780071fc4ff6fcd_leseprobe_rheinwerkverlag_geheimakte_computer_____everything_they_don___t_teach_you_about_tech_.png

2410 ms

92b028fbd10b9d89f77422c8ebbf912e5320cde7_pv2_600x750.png

92b028fbd10b9d89f77422c8ebbf912e5320cde7_pv2_600x750.png

2379 ms

95d3c8c09578d4dc7f2ab7006af26ce31d8239dc_wie_mache_ich_das_in_photoshop.jpg

95d3c8c09578d4dc7f2ab7006af26ce31d8239dc_wie_mache_ich_das_in_photoshop.jpg

2218 ms

b678b5f37a5320e588cc9e3c392ca0371ed0652e_ARTK_CT0_9783446477797_0001.jpg

b678b5f37a5320e588cc9e3c392ca0371ed0652e_ARTK_CT0_9783446477797_0001.jpg

3131 ms

heise-shop.svg

heise-shop.svg

102 ms

iX_Notfall-Guide_24_Shop_banner_1104x345.png

iX_Notfall-Guide_24_Shop_banner_1104x345.png

877 ms

heiseplus_jahresabo_shop_1104x345px_03-2023.png

heiseplus_jahresabo_shop_1104x345px_03-2023.png

696 ms

ct_LinuxGuide24_Shop_banner_1104x345.png

ct_LinuxGuide24_Shop_banner_1104x345.png

1088 ms

KI-Unternehmenseinsatz-Shop-gross-1104x345-1.jpg

KI-Unternehmenseinsatz-Shop-gross-1104x345-1.jpg

694 ms

ct-1Desinfect-24_shopware-slider_1104x345.png

ct-1Desinfect-24_shopware-slider_1104x345.png

987 ms

5-24_ct-Digitalabo-Linda_shop-slider_1104x345px.png

5-24_ct-Digitalabo-Linda_shop-slider_1104x345px.png

823 ms

GitHub-Copilot-GPT-4o-Shop-klein-935x200.jpg

GitHub-Copilot-GPT-4o-Shop-klein-935x200.jpg

1033 ms

ctKI1124_SliderKl%28935%20x%20200%20px%29.png

ctKI1124_SliderKl%28935%20x%20200%20px%29.png

893 ms

Scuba-Shop-klein-935x200.png

Scuba-Shop-klein-935x200.png

1121 ms

t3n76-miniheader%20%28935%20x%20200%20px%29.png

t3n76-miniheader%20%28935%20x%20200%20px%29.png

1074 ms

paper-plane-outline.svg

paper-plane-outline.svg

992 ms

zahlung-visa-mastercard.svg

zahlung-visa-mastercard.svg

1087 ms

zahlung-lastschrift.svg

zahlung-lastschrift.svg

1091 ms

zahlung-rechnung.svg

zahlung-rechnung.svg

1134 ms

zahlung-paypal.svg

zahlung-paypal.svg

1172 ms

versand-dpd.svg

versand-dpd.svg

1187 ms

versand-deutsche-post.svg

versand-deutsche-post.svg

1186 ms

versand-dhl.svg

versand-dhl.svg

1190 ms

onsite.min.js

onsite.min.js

504 ms

wt

wt

518 ms

illustration-newsletter.svg

illustration-newsletter.svg

571 ms

l

l

491 ms

Accessibility Review

shop.heise.de accessibility score

67

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-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Best Practices

shop.heise.de 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

High

Missing source maps for large first-party JavaScript

SEO Factors

shop.heise.de SEO score

93

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 Shop.heise.de 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 Shop.heise.de 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

shop.heise.de

Open Graph data is detected on the main page of Shop Heise. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: