Tools & Wizards About Us
o2.surfen-telefonieren.de screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

o2.surfen-telefonieren.de

o2 Tarife und Angebote - DSL, Handyvertrag, Handys und Prepaid

Page Load Speed

4.3 sec in total

First Response

602 ms

Resources Loaded

3.5 sec

Page Rendered

235 ms

o2.surfen-telefonieren.de screenshot

About Website

Visit o2.surfen-telefonieren.de now to see the best up-to-date O 2 Surfen Telefonieren content for Germany and also check out these interesting facts you probably never knew about o2.surfen-telefonieren.de

Festnetz Tarife (o2 DSL) und Mobilfunk Angebote (Handyvertrag z.B. o2 Mobile Unlimited mit Smartphone, HomeSpot, Prepaid Karte usw.).

Visit o2.surfen-telefonieren.de

Key Findings

We analyzed O2.surfen-telefonieren.de page load time and found that the first response time was 602 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 65% of websites can load faster.

Performance Metrics

o2.surfen-telefonieren.de performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value5.0 s

62/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

o2.surfen-telefonieren.de

602 ms

jquery.min.js

264 ms

jquery-migrate.min.js

314 ms

functions.js

379 ms

jquery.groups.js

299 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 82% of them (23 requests) were addressed to the original O2.surfen-telefonieren.de, 7% (2 requests) were made to Telefonica-partner.de and 4% (1 request) were made to . The less responsive or slowest element that took the longest time to load (847 ms) belongs to the original domain O2.surfen-telefonieren.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.5 kB (21%)

Content Size

404.5 kB

After Optimization

320.9 kB

  • HTML
  • Images

In fact, the total size of O2.surfen-telefonieren.de main page is 404.5 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. 15% of websites need less resources to load. Images take 298.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 83.1 kB

  • Original 106.1 kB
  • After minification 104.5 kB
  • After compression 23.0 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 83.1 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 370 B

  • Original 298.3 kB
  • After minification 298.0 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. O 2 Surfen Telefonieren images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 9 (35%)

Requests Now

26

After Optimization

17

  • AJAX
  • Images
  • JavaScript

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O 2 Surfen Telefonieren. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

o2.surfen-telefonieren.de

o2.surfen-telefonieren.de

602 ms

jquery.min.js

jquery.min.js

264 ms

jquery-migrate.min.js

jquery-migrate.min.js

314 ms

functions.js

functions.js

379 ms

jquery.groups.js

jquery.groups.js

299 ms

jquery.clicker.js

jquery.clicker.js

300 ms

jquery.rwdImageMaps.min.js

jquery.rwdImageMaps.min.js

312 ms

rss-feed-pro.js

rss-feed-pro.js

314 ms

ta.js

ta.js

344 ms

complianz.min.js

complianz.min.js

368 ms

lazyload.min.js

lazyload.min.js

360 ms

tb.php

tb.php

514 ms

tb.php

tb.php

515 ms

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

5 ms

header-o2-telefonica-gross.webp

header-o2-telefonica-gross.webp

129 ms

header-o2-telefonica-mittel.webp

header-o2-telefonica-mittel.webp

232 ms

header-o2-telefonica-klein.webp

header-o2-telefonica-klein.webp

121 ms

blau-allnet-max-promo-50gb-sim-only.webp

blau-allnet-max-promo-50gb-sim-only.webp

126 ms

blau-allnet-xs-5gb-sim-only.webp

blau-allnet-xs-5gb-sim-only.webp

122 ms

blau-allnet-s-10gb-sim-only.webp

blau-allnet-s-10gb-sim-only.webp

215 ms

blau-allnet-max-35gb-sim-only.webp

blau-allnet-max-35gb-sim-only.webp

234 ms

blau-allnet-plus-25gb-sim-only.webp

blau-allnet-plus-25gb-sim-only.webp

247 ms

blau-kein-anschlusspreis-aktion.webp

blau-kein-anschlusspreis-aktion.webp

250 ms

o2-logo.webp

o2-logo.webp

236 ms

o2-hotline-nummer.webp

o2-hotline-nummer.webp

332 ms

admin-ajax.php

admin-ajax.php

847 ms

533 ms

480 ms

Accessibility Review

o2.surfen-telefonieren.de accessibility score

98

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-hidden="true"] elements contain focusable descendents

Best Practices

o2.surfen-telefonieren.de 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

o2.surfen-telefonieren.de SEO score

98

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 O2.surfen-telefonieren.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.surfen-telefonieren.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

o2.surfen-telefonieren.de

Open Graph description is not detected on the main page of O 2 Surfen Telefonieren. 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: