Tools & Wizards About Us
one-telecom.de screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

one-telecom.de

ONE Telecom

Page Load Speed

5.8 sec in total

First Response

394 ms

Resources Loaded

5.2 sec

Page Rendered

232 ms

one-telecom.de screenshot

About Website

Visit one-telecom.de now to see the best up-to-date ONE Telecom content for Germany and also check out these interesting facts you probably never knew about one-telecom.de

Riesige Auswahl an Handys & Smartphones bei ONE telecom günstig online kaufen - Ihr Handy und Smartphone Shop für Telefone von z.B. Apple, Samsung, Nokia, Sony Ericsson oder HTC.

Visit one-telecom.de

Key Findings

We analyzed One-telecom.de page load time and found that the first response time was 394 ms and then it took 5.4 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

one-telecom.de performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

Network Requests Diagram

one-telecom.de

394 ms

www.one-telecom.de

716 ms

styles.css

263 ms

jquery.js

388 ms

getseal

133 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 18% of them (21 requests) were addressed to the original One-telecom.de, 76% (87 requests) were made to Images.one-telecom.de and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Images.one-telecom.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 256.8 kB (71%)

Content Size

363.8 kB

After Optimization

107.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of One-telecom.de main page is 363.8 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. 30% of websites need less resources to load. Javascripts take 133.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 53.7 kB

  • Original 63.3 kB
  • After minification 53.3 kB
  • After compression 9.7 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 10.0 kB, which is 16% 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 53.7 kB or 85% of the original size.

Image Optimization

-26%

Potential reduce by 15.9 kB

  • Original 60.8 kB
  • After minification 44.9 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, ONE Telecom needs image optimization as it can save up to 15.9 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 92.7 kB

  • Original 133.4 kB
  • After minification 133.1 kB
  • After compression 40.7 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 92.7 kB or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 94.5 kB

  • Original 106.3 kB
  • After minification 73.3 kB
  • After compression 11.7 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. One-telecom.de needs all CSS files to be minified and compressed as it can save up to 94.5 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (6%)

Requests Now

111

After Optimization

104

  • Images
  • JavaScript
  • CSS

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ONE Telecom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

one-telecom.de

one-telecom.de

394 ms

www.one-telecom.de

www.one-telecom.de

716 ms

styles.css

styles.css

263 ms

jquery.js

jquery.js

388 ms

getseal

getseal

133 ms

jquery.config.js

jquery.config.js

218 ms

category_01_samsung_smartphones.png

category_01_samsung_smartphones.png

640 ms

XD69B72600FB4A86D96BFF580F760CA4D.gif

XD69B72600FB4A86D96BFF580F760CA4D.gif

635 ms

s1_idealo-partner.png

s1_idealo-partner.png

454 ms

blank.png

blank.png

111 ms

trustedshops.png

trustedshops.png

199 ms

geizhals.png

geizhals.png

205 ms

logo_payments.png

logo_payments.png

289 ms

logo_dhl.png

logo_dhl.png

289 ms

category_01_samsung_tablets.png

category_01_samsung_tablets.png

632 ms

category_01_samsung_wearables.png

category_01_samsung_wearables.png

627 ms

category_samsung_cover_taschen.png

category_samsung_cover_taschen.png

997 ms

category_samsung_ladeprodukte.png

category_samsung_ladeprodukte.png

1006 ms

category_samsung_music.png

category_samsung_music.png

633 ms

category_samsung_kfz.png

category_samsung_kfz.png

843 ms

category_samsung_sonstiges.png

category_samsung_sonstiges.png

846 ms

category_apple_ipad.png

category_apple_ipad.png

840 ms

category_ipad_mini_3.png

category_ipad_mini_3.png

845 ms

category_iphone.png

category_iphone.png

1044 ms

category_apple_ipod.png

category_apple_ipod.png

1048 ms

category_apple_imac_mini.png

category_apple_imac_mini.png

1051 ms

category_imac.png

category_imac.png

1049 ms

category_macbook_air.png

category_macbook_air.png

1197 ms

category_macbook_pro.png

category_macbook_pro.png

1214 ms

category_apple_zubehoer.png

category_apple_zubehoer.png

1255 ms

category_apple_watch.png

category_apple_watch.png

1261 ms

category_smartphones_neuheiten_2.png

category_smartphones_neuheiten_2.png

1257 ms

category_smartphones_neu_2.png

category_smartphones_neu_2.png

1265 ms

category_klassischegeraete.png

category_klassischegeraete.png

1404 ms

category_seniorenhandys.png

category_seniorenhandys.png

1421 ms

category_wearables.png

category_wearables.png

1455 ms

category_zubehoerheadsets.png

category_zubehoerheadsets.png

1457 ms

category_04_cover_und_taschen.png

category_04_cover_und_taschen.png

1459 ms

category_04_displayschutz.png

category_04_displayschutz.png

1463 ms

category_speicherkarten.png

category_speicherkarten.png

1610 ms

category_ladedatenkabel.png

category_ladedatenkabel.png

1621 ms

category_tischlader.png

category_tischlader.png

1669 ms

category_zubehoerakkus.png

category_zubehoerakkus.png

1660 ms

category_kfzhalterungen.png

category_kfzhalterungen.png

1667 ms

category_tablets_neuheiten_2.png

category_tablets_neuheiten_2.png

1665 ms

category_Tablets_neu_2.png

category_Tablets_neu_2.png

1811 ms

category_ebooks.png

category_ebooks.png

1821 ms

category_05_tablet_zubehoer.png

category_05_tablet_zubehoer.png

1865 ms

category_eq3.png

category_eq3.png

1863 ms

ga.js

ga.js

15 ms

check.png

check.png

184 ms

logo.png

logo.png

283 ms

arrow_down.png

arrow_down.png

276 ms

search.png

search.png

414 ms

cart.png

cart.png

415 ms

arrow_left.png

arrow_left.png

503 ms

arrow_right.png

arrow_right.png

498 ms

loading_blue.gif

loading_blue.gif

469 ms

getseal

getseal

143 ms

__utm.gif

__utm.gif

29 ms

logo.png

logo.png

458 ms

facebook.png

facebook.png

581 ms

twitter.png

twitter.png

460 ms

XD69B72600FB4A86D96BFF580F760CA4D.js

XD69B72600FB4A86D96BFF580F760CA4D.js

533 ms

category_06_zentralen_und_gateways.png

category_06_zentralen_und_gateways.png

1246 ms

category_06_sender_und_controller.png

category_06_sender_und_controller.png

1243 ms

category_06_sensoren.png

category_06_sensoren.png

1383 ms

category_06_aktoren.png

category_06_aktoren.png

1393 ms

category_06_wired.png

category_06_wired.png

1263 ms

category_06_displays.png

category_06_displays.png

1229 ms

category_mobilenavigation.png

category_mobilenavigation.png

1231 ms

category_navigationzubehoer.png

category_navigationzubehoer.png

1231 ms

category_08_telekom_produktwelt.png

category_08_telekom_produktwelt.png

1220 ms

category_08_gigaset_produktwelt.png

category_08_gigaset_produktwelt.png

1221 ms

category_08_festnetz_telefone.png

category_08_festnetz_telefone.png

1227 ms

category_fnfunkgeraete.png

category_fnfunkgeraete.png

1228 ms

category_fnheadset.png

category_fnheadset.png

1229 ms

category_fnrouter.png

category_fnrouter.png

1251 ms

category_fnzubehoer.png

category_fnzubehoer.png

1219 ms

category_dvdplayer.png

category_dvdplayer.png

1245 ms

category_09_digitalkameras.png

category_09_digitalkameras.png

1217 ms

category_hehifi.png

category_hehifi.png

1221 ms

category_home_spielekonsolen.png

category_home_spielekonsolen.png

1218 ms

category_home_games.png

category_home_games.png

1268 ms

category_receiver.png

category_receiver.png

1212 ms

category_mp3player.png

category_mp3player.png

1236 ms

category_hezubehoer.png

category_hezubehoer.png

1225 ms

category_notebooks.png

category_notebooks.png

1222 ms

category_eingabegereate.png

category_eingabegereate.png

1223 ms

category_cpkabeladapter.png

category_cpkabeladapter.png

1268 ms

category_speichermedien.png

category_speichermedien.png

1206 ms

category_router.png

category_router.png

1232 ms

category_switches.png

category_switches.png

1220 ms

category_wlansticks.png

category_wlansticks.png

1217 ms

category_babyphones.png

category_babyphones.png

1216 ms

category_accesspionts.png

category_accesspionts.png

1261 ms

category_powerline.png

category_powerline.png

1204 ms

category_printserver.png

category_printserver.png

1230 ms

category_12_gadgets.png

category_12_gadgets.png

1216 ms

category_category_schneappchen.png

category_category_schneappchen.png

1216 ms

category_category_handpresso.png

category_category_handpresso.png

1217 ms

slider_galaxy_s7.jpg

slider_galaxy_s7.jpg

1264 ms

slider_senioren.jpg

slider_senioren.jpg

1213 ms

slider_microsoft_surface.jpg

slider_microsoft_surface.jpg

1242 ms

slider_smarthome_kw44.jpg

slider_smarthome_kw44.jpg

1219 ms

slider_samsung_kw42.jpg

slider_samsung_kw42.jpg

1224 ms

banner_rabatt-aktion.jpg

banner_rabatt-aktion.jpg

1217 ms

grid__samsung-galaxy-a3-2016-16gb-lte-android-smartphone-schwarz__095252_HR.jpg

grid__samsung-galaxy-a3-2016-16gb-lte-android-smartphone-schwarz__095252_HR.jpg

224 ms

grid__samsung-galaxy-a5-2016-16gb-lte-android-smartphone-schwarz__095255_HR.jpg

grid__samsung-galaxy-a5-2016-16gb-lte-android-smartphone-schwarz__095255_HR.jpg

214 ms

grid__sony-xperia-z3-32gb-lte-android-smartphone-schwarz__092017_HR.jpg

grid__sony-xperia-z3-32gb-lte-android-smartphone-schwarz__092017_HR.jpg

223 ms

grid__samsung-galaxy-s6-edge-32gb-lte-android-smartphone-schwarz__089969_HR.jpg

grid__samsung-galaxy-s6-edge-32gb-lte-android-smartphone-schwarz__089969_HR.jpg

226 ms

grid__huawei-mediapad-m2-16gb-lte-android-tablet__096918_HR.jpg

grid__huawei-mediapad-m2-16gb-lte-android-tablet__096918_HR.jpg

212 ms

grid__huawei-mediapad-m2-64gb-wi-fi-android-tablet-weiss__095247_HR.jpg

grid__huawei-mediapad-m2-64gb-wi-fi-android-tablet-weiss__095247_HR.jpg

215 ms

grid__apple-ipad-air-2-16gb-wi-fi-ios-9-tablet-silber-mglw2fd-a__087658_HR.jpg

grid__apple-ipad-air-2-16gb-wi-fi-ios-9-tablet-silber-mglw2fd-a__087658_HR.jpg

416 ms

grid__apple-ipad-pro-32gb-wi-fi-ios-9-tablet-spacegrau-ml0f2fd-a__094331_HR.jpg

grid__apple-ipad-pro-32gb-wi-fi-ios-9-tablet-spacegrau-ml0f2fd-a__094331_HR.jpg

416 ms

Accessibility Review

one-telecom.de accessibility score

62

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

one-telecom.de best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

one-telecom.de SEO score

71

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

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 One-telecom.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 One-telecom.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

one-telecom.de

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