Tools & Wizards About Us
com-online.de screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

com-online.de

com! professional trifft auf Professional System | Professional System

Page Load Speed

4.1 sec in total

First Response

340 ms

Resources Loaded

3.2 sec

Page Rendered

548 ms

com-online.de screenshot

About Website

Click here to check amazing Com Online content. Otherwise, check out these important facts you probably never knew about com-online.de

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Key Findings

We analyzed Com-online.de page load time and found that the first response time was 340 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

com-online.de performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value5,190 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

com-online.de

340 ms

www.com-magazin.de

449 ms

com_styles.css

220 ms

style.css

218 ms

modernizr-2.6.2.min.js

232 ms

Our browser made a total of 167 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Com-online.de, 72% (120 requests) were made to Com-magazin.de and 4% (7 requests) were made to Dmp.theadex.com. The less responsive or slowest element that took the longest time to load (669 ms) relates to the external source Com-magazin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 648.9 kB (45%)

Content Size

1.4 MB

After Optimization

795.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Com-online.de main page is 1.4 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. 65% of websites need less resources to load. Images take 550.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 173.3 kB

  • Original 204.3 kB
  • After minification 164.0 kB
  • After compression 30.9 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 40.2 kB, which is 20% 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 173.3 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 7.3 kB

  • Original 550.6 kB
  • After minification 543.3 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. Com Online images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 344.2 kB

  • Original 545.6 kB
  • After minification 496.0 kB
  • After compression 201.4 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 344.2 kB or 63% of the original size.

CSS Optimization

-86%

Potential reduce by 124.1 kB

  • Original 144.2 kB
  • After minification 143.3 kB
  • After compression 20.1 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. Com-online.de needs all CSS files to be minified and compressed as it can save up to 124.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (32%)

Requests Now

158

After Optimization

108

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Com 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 41 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

com-online.de

com-online.de

340 ms

www.com-magazin.de

www.com-magazin.de

449 ms

com_styles.css

com_styles.css

220 ms

style.css

style.css

218 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

232 ms

jquery.min.js

jquery.min.js

14 ms

showads.js

showads.js

217 ms

jquery.hashchange.min.js

jquery.hashchange.min.js

215 ms

jquery.easytabs.min.js

jquery.easytabs.min.js

259 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

319 ms

jquery-ui.min.js

jquery-ui.min.js

13 ms

tomorrow.css

tomorrow.css

346 ms

highlight.min.js

highlight.min.js

350 ms

pirobox_extended_feb_2011.js

pirobox_extended_feb_2011.js

348 ms

iam.js

iam.js

505 ms

jquery.zclip.js

jquery.zclip.js

310 ms

listing-copy-to-clipboard.js

listing-copy-to-clipboard.js

310 ms

glossar-combine.js

glossar-combine.js

409 ms

article-send.js

article-send.js

413 ms

article-print.js

article-print.js

413 ms

naMediaAd.js

naMediaAd.js

257 ms

plusone.js

plusone.js

61 ms

autocomplete.js

autocomplete.js

413 ms

Lato-Regular.ttf

Lato-Regular.ttf

216 ms

Lato-Bold.ttf

Lato-Bold.ttf

215 ms

srp.js

srp.js

456 ms

gpt.js

gpt.js

21 ms

gw.js

gw.js

158 ms

s.js

s.js

20 ms

Schwerpunkt-CeBIT-2016.jpeg

Schwerpunkt-CeBIT-2016.jpeg

205 ms

Android-N_w405_h257.jpg

Android-N_w405_h257.jpg

109 ms

Konferenzraum-Technik_w195_h123.jpg

Konferenzraum-Technik_w195_h123.jpg

103 ms

Samsung-Galaxy-S7-Edge_w195_h123.jpg

Samsung-Galaxy-S7-Edge_w195_h123.jpg

106 ms

Rechenzentrum_w195_h123.jpg

Rechenzentrum_w195_h123.jpg

130 ms

code_w55_h35.jpg

code_w55_h35.jpg

135 ms

YouTube-Video-GIF_w55_h35.jpg

YouTube-Video-GIF_w55_h35.jpg

202 ms

cloud-security_w55_h35.jpg

cloud-security_w55_h35.jpg

206 ms

GMO-Registry_w55_h35.jpg

GMO-Registry_w55_h35.jpg

207 ms

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Freenet_w55_h35.jpg

232 ms

fired_w55_h35.jpg

fired_w55_h35.jpg

236 ms

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verschluesselung_w55_h35.jpg

301 ms

hacker_w55_h35.jpg

hacker_w55_h35.jpg

308 ms

krypto-mail_w55_h35.jpg

krypto-mail_w55_h35.jpg

310 ms

Hacker_w55_h35.jpg

Hacker_w55_h35.jpg

311 ms

security_w55_h35.jpg

security_w55_h35.jpg

333 ms

auto-diebstahl_w55_h35.jpg

auto-diebstahl_w55_h35.jpg

338 ms

Samsung-Galaxy-S7-Edge_w55_h35.jpg

Samsung-Galaxy-S7-Edge_w55_h35.jpg

409 ms

Android-N_w55_h35.jpg

Android-N_w55_h35.jpg

412 ms

Android-Marshmallow_w55_h35.jpg

Android-Marshmallow_w55_h35.jpg

451 ms

inventarisierung_w55_h35.jpg

inventarisierung_w55_h35.jpg

452 ms

Smartphone-DAB-Radio_w55_h35.jpg

Smartphone-DAB-Radio_w55_h35.jpg

456 ms

Fritzbox_w55_h35.jpg

Fritzbox_w55_h35.jpg

457 ms

sicherer-login_w55_h35.jpg

sicherer-login_w55_h35.jpg

504 ms

update_w55_h35.jpg

update_w55_h35.jpg

544 ms

erpressung_w55_h35.jpg

erpressung_w55_h35.jpg

544 ms

tools_w55_h35.jpg

tools_w55_h35.jpg

543 ms

lauscher_w55_h35.jpg

lauscher_w55_h35.jpg

551 ms

windows-10_w55_h35.jpg

windows-10_w55_h35.jpg

574 ms

Hacker-Angriff_w55_h35.jpg

Hacker-Angriff_w55_h35.jpg

617 ms

USB-C-Kabel_w55_h35.jpg

USB-C-Kabel_w55_h35.jpg

636 ms

Konferenzraum-Technik_w55_h35.jpg

Konferenzraum-Technik_w55_h35.jpg

637 ms

Netgear-AirCard-790S_w55_h35.jpg

Netgear-AirCard-790S_w55_h35.jpg

635 ms

Synology-Diskstation-DS414slim_w55_h35.jpg

Synology-Diskstation-DS414slim_w55_h35.jpg

641 ms

tx.io

tx.io

288 ms

pubads_impl_82.js

pubads_impl_82.js

16 ms

Rechenzentrum_w55_h35.jpg

Rechenzentrum_w55_h35.jpg

629 ms

container.html

container.html

6 ms

luefter_w55_h35.jpg

luefter_w55_h35.jpg

669 ms

Welt_w55_h35.jpg

Welt_w55_h35.jpg

633 ms

Jabra-Steel-Lifestyle_w55_h35.jpg

Jabra-Steel-Lifestyle_w55_h35.jpg

628 ms

Garmin-index-Smart-Scale-black_w55_h35.jpg

Garmin-index-Smart-Scale-black_w55_h35.jpg

631 ms

Dokumentenmanagement_w55_h35.jpg

Dokumentenmanagement_w55_h35.jpg

621 ms

Chiffry-Secure-Messenger_w55_h35.jpg

Chiffry-Secure-Messenger_w55_h35.jpg

627 ms

Amagno_w55_h35.jpg

Amagno_w55_h35.jpg

610 ms

com-professional-04-2016_w55_h35.jpg

com-professional-04-2016_w55_h35.jpg

635 ms

com-professional-03-2016_w55_h35.jpg

com-professional-03-2016_w55_h35.jpg

630 ms

com-professional-02-2016_w55_h35.jpg

com-professional-02-2016_w55_h35.jpg

633 ms

com-professional-01-2016_w55_h35.jpg

com-professional-01-2016_w55_h35.jpg

621 ms

com-professional-12-2015_w55_h35.jpeg

com-professional-12-2015_w55_h35.jpeg

628 ms

ci.html

ci.html

293 ms

s

s

313 ms

tx.io

tx.io

97 ms

com-professional-11-2015_w55_h35.jpeg

com-professional-11-2015_w55_h35.jpeg

611 ms

887378323.js

887378323.js

149 ms

com-professional-10-2015_w55_h35.jpg

com-professional-10-2015_w55_h35.jpg

631 ms

erpressung_w133_h84.jpg

erpressung_w133_h84.jpg

628 ms

Memory-Storage_w133_h84.jpg

Memory-Storage_w133_h84.jpg

630 ms

CeBIT_w241_h152.jpg

CeBIT_w241_h152.jpg

620 ms

CeBIT-Vorschau_w241_h152.jpg

CeBIT-Vorschau_w241_h152.jpg

628 ms

default.js

default.js

184 ms

gtm.js

gtm.js

62 ms

all.js

all.js

14 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

47 ms

CeBIT-2016_w241_h152.jpg

CeBIT-2016_w241_h152.jpg

600 ms

CeBIT-2016_w241_h152.jpg

CeBIT-2016_w241_h152.jpg

650 ms

Virenscanner_w133_h84.jpg

Virenscanner_w133_h84.jpg

647 ms

Top10-App-Publisher_w133_h84.jpg

Top10-App-Publisher_w133_h84.jpg

650 ms

4-Bay-NAS-Laufwerke-Test_w133_h84.jpeg

4-Bay-NAS-Laufwerke-Test_w133_h84.jpeg

649 ms

87 ms

Antutu-Smartphone-Benchmark_w241_h152.jpg

Antutu-Smartphone-Benchmark_w241_h152.jpg

629 ms

xd_arbiter.php

xd_arbiter.php

25 ms

xd_arbiter.php

xd_arbiter.php

59 ms

conversion.js

conversion.js

46 ms

Amazon-Underground_w241_h152.jpg

Amazon-Underground_w241_h152.jpg

610 ms

15-Gratis-Fachbuecher-fuer-Software-Entwickler_w241_h152.jpeg

15-Gratis-Fachbuecher-fuer-Software-Entwickler_w241_h152.jpeg

601 ms

Festplatte-Feuer_w241_h152.jpeg

Festplatte-Feuer_w241_h152.jpeg

599 ms

google-page-brin_w133_h84.jpg

google-page-brin_w133_h84.jpg

601 ms

Lato-Black.ttf

Lato-Black.ttf

612 ms

VeraCrypt-Datensafe_w133_h84.jpeg

VeraCrypt-Datensafe_w133_h84.jpeg

641 ms

i

i

278 ms

p.min.js

p.min.js

195 ms

000000659558.gif

000000659558.gif

370 ms

LED-Beamer-Vergleich_w241_h152.jpg

LED-Beamer-Vergleich_w241_h152.jpg

583 ms

Sonos-Play-5_w241_h152.jpeg

Sonos-Play-5_w241_h152.jpeg

608 ms

Curved-Display-Test_w241_h152.jpg

Curved-Display-Test_w241_h152.jpg

609 ms

Formlabs-3D-Drucker-Test_w241_h152.jpg

Formlabs-3D-Drucker-Test_w241_h152.jpg

609 ms

kka.js

kka.js

393 ms

WLAN-Hotspot_w55_h35.jpg

WLAN-Hotspot_w55_h35.jpg

622 ms

tor-browser_w44_h44.jpg

tor-browser_w44_h44.jpg

661 ms

Cyberduck_w44_h44.jpg

Cyberduck_w44_h44.jpg

604 ms

Cryptomator_w44_h44.jpg

Cryptomator_w44_h44.jpg

620 ms

Unchecky_w44_h44.jpg

Unchecky_w44_h44.jpg

619 ms

firefox-64_w44_h44.jpg

firefox-64_w44_h44.jpg

618 ms

icon_w44_h44.jpeg

icon_w44_h44.jpeg

628 ms

icon_w44_h44.jpg

icon_w44_h44.jpg

659 ms

data

data

413 ms

CapslockMenu_icon_w44_h44.jpeg

CapslockMenu_icon_w44_h44.jpeg

610 ms

icon_w44_h44.jpg

icon_w44_h44.jpg

619 ms

icon_w44_h44.jpg

icon_w44_h44.jpg

620 ms

5a3eb327ddcfad7e.jpeg

5a3eb327ddcfad7e.jpeg

619 ms

4eec81375b86e412.jpeg

4eec81375b86e412.jpeg

628 ms

53cba425d2baf3f5.jpeg

53cba425d2baf3f5.jpeg

663 ms

alte-Router-sinnvoll-nutzen_w55_h35.jpeg

alte-Router-sinnvoll-nutzen_w55_h35.jpeg

617 ms

win7_01_artikel_w55_h35.jpg

win7_01_artikel_w55_h35.jpg

620 ms

d09c67b1a549d163.jpeg

d09c67b1a549d163.jpeg

619 ms

PC-Monitor-richtig-einstellen-und-kalibrieren_w55_h35.jpeg

PC-Monitor-richtig-einstellen-und-kalibrieren_w55_h35.jpeg

619 ms

com-logo.png

com-logo.png

628 ms

com-search.png

com-search.png

653 ms

social-leiste.png

social-leiste.png

616 ms

analytics.js

analytics.js

57 ms

evtid=749&sc=test

evtid=749&sc=test

277 ms

async-ps-2015-12-14.min.js

async-ps-2015-12-14.min.js

41 ms

com-newsletter.png

com-newsletter.png

661 ms

new_skin.png

new_skin.png

560 ms

new_skin_top.png

new_skin_top.png

560 ms

collect

collect

12 ms

new_skin_left.png

new_skin_left.png

568 ms

loader_nav.png

loader_nav.png

604 ms

loadinfo.gif

loadinfo.gif

612 ms

prev.png

prev.png

619 ms

next.png

next.png

619 ms

prev_fake.png

prev_fake.png

639 ms

next_fake.png

next_fake.png

644 ms

adex.js

adex.js

253 ms

adrtxtag.min.js

adrtxtag.min.js

175 ms

button-schliessen.png

button-schliessen.png

612 ms

27

27

304 ms

track.json

track.json

300 ms

2.gif

2.gif

89 ms

t.js

t.js

87 ms

1.gif

1.gif

86 ms

analytic.js

analytic.js

169 ms

171 ms

pixel

pixel

16 ms

pixel

pixel

20 ms

cm.gif

cm.gif

89 ms

2.gif

2.gif

87 ms

Accessibility Review

com-online.de accessibility score

74

Accessibility Issues

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

Form elements do not have associated labels

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

com-online.de 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

com-online.de SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Com-online.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 Com-online.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

com-online.de

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