4 sec in total
305 ms
3.5 sec
130 ms
Visit o2.de now to see the best up-to-date O 2 content for Germany and also check out these interesting facts you probably never knew about o2.de
Dein Mobilfunkanbieter für ✓ günstige Handytarife ✓ Top-Smartphones ✓ Internet mobil & zu Hause ᐅ o2 Angebote entdecken.
Visit o2.deWe analyzed O2.de page load time and found that the first response time was 305 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
o2.de performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value15.4 s
0/100
25%
Value11.8 s
4/100
10%
Value7,070 ms
0/100
30%
Value0.082
94/100
15%
Value15.5 s
7/100
10%
305 ms
401 ms
732 ms
73 ms
80 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original O2.de, 53% (39 requests) were made to Static2.o9.de and 26% (19 requests) were made to Library.telefonica.de. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Static2.o9.de.
Page size can be reduced by 157.9 kB (28%)
565.6 kB
407.7 kB
In fact, the total size of O2.de main page is 565.6 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. 60% of websites need less resources to load. Javascripts take 379.9 kB which makes up the majority of the site volume.
Potential reduce by 157.0 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 157.0 kB or 85% of the original size.
Potential reduce by 35 B
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. O 2 images are well optimized though.
Potential reduce by 824 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 27 (40%)
68
41
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
o2.de
305 ms
o2.de
401 ms
www.o2online.de
732 ms
loader.js
73 ms
install.js
80 ms
bundle.css
425 ms
sha256.min.js
428 ms
adspace-trbo.js
417 ms
trbo_12897_06a204cf5064fdf6e30c998bdf5f0f6b.js
286 ms
alert-tracking-js-code
305 ms
bundle.js
461 ms
bundle.js
464 ms
bundle.js
540 ms
bundle.js
464 ms
bundle.js
517 ms
bundle.js
520 ms
bundle_legacy.js
15 ms
bundle.js
435 ms
bundle.js
454 ms
bundle.js
460 ms
bundle.js
521 ms
bundle.js
541 ms
vertrag-kuendigen-js-code
232 ms
bundle.js
527 ms
bundle.js
547 ms
bundle.js
554 ms
languages.json
129 ms
iphone-15-pro-max-mit-airpods-pro-2gen-bild-data.webp
1048 ms
apple-mobilfunk-apple-iphone-15-serie-bild-data.webp
1048 ms
o2-home-verfuegbarkeitscheck-navi-teaser-bild-data.webp
1160 ms
kv-mehrkarten-bild-data.webp
1147 ms
nk-kombi-angebote-starter-flex-v2-teaser-bild.webp
1156 ms
tv-extras-o2-tv-und-netflix-bild-data.webp
1143 ms
xbox-game-pass-ultimate-bild-data.webp
1148 ms
geraete-top-gadgets-bild-data.webp
1146 ms
samsung-galaxy-s23-mit-tablet-bild-data.webp
1246 ms
iphone-15-pro-mit-watch-ultra-bild-data.webp
1242 ms
mein-o2-50-prozent-freunde-teaser-bild-data.webp
1253 ms
mein-o2-vvl-teaser-bild-data.webp
1249 ms
samsung-galaxy-s24-ultra-m-watch-teaser-bild.webp
1270 ms
nk-taa-atl-generic-bild.webp
1273 ms
home-apple-iphone-15-serie-section-teaser-bild.webp
1349 ms
apple-iphone-15-pro-max-titan-schwarz-mit-airpods-pro-2gen-teaser-bild-data.webp
1349 ms
samsung-galaxy-s23-tab-a7-lite-teaser-bild-data.webp
1350 ms
apple-iphone-15-pro-titan-blau-mit-watch-ultra-2-teaser-bild-data.webp
1358 ms
samsung-galaxy-s23-m-buds2-pro-teaser-bild-data.webp
1373 ms
home-smartphone-section-teaser-bild.webp
1387 ms
top-gadgets-v2-teaser-bild.webp
1451 ms
home-tarif-section-teaser-bild.webp
1526 ms
nk-o2-mobile-unlimited-on-demand-teaser-bild.webp
1447 ms
prepaid-l-18-plus-6gb-promo-teaser-bild.webp
1459 ms
home-warum-o2-section-teaser-bild.webp
1494 ms
mein-o2-app-bonus-teaser--bild.webp
1491 ms
app-store-134x40-icon-bild-data.png
1540 ms
google-play-134x40-icon-bild-data.png
1547 ms
handy-ankauf-teaser-bild.webp
1650 ms
priority-vorverkauf-teaser-bild.webp
1609 ms
bss-footer-mein-o2-app-ios-teaser-bild-data.webp
1594 ms
bss-footer-mein-o2-app-android-teaser-bild-data.webp
1623 ms
connect-netztest-auszeichnung-2023-bild-data.webp
1633 ms
connect-testsieger-netzbetreiber-bild-data.webp
1643 ms
auszeichnungen-testberichte-smartphone-magazin-artikel-siegel-home-seals-bar-bild-data.webp
1698 ms
connect-hotline-image-picture-data.webp
1707 ms
OnAir-Regular.woff
267 ms
OnAir-Light.woff
279 ms
OnAir-Bold.woff
1011 ms
de.json
3 ms
cross-domain-bridge.html
7 ms
1px.png
17 ms
translations-de.json
63 ms
uct
656 ms
telefonica-logo-image-picture-data.webp
682 ms
info-i-bild-data.png
674 ms
cookie-banner-o2-logo-primary-blue-bild-data.png
584 ms
o2.de accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
o2.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
o2.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise O2.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 O2.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.
o2.de
Open Graph data is detected on the main page of O 2. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: