Access handyhilfe.o2online.de. Handyhilfe von o2: Schritt-für-Schritt Anleitungen für dein Handy

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.7 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value3,740 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

handyhilfe.o2online.de

412 ms

handyhilfe.o2online.de

370 ms

1566 ms

loader.js

96 ms

install.js

59 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Handyhilfe.o2online.de, 52% (34 requests) were made to Static2.o9.de and 22% (14 requests) were made to Library.telefonica.de. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source O2online.de.

Content Size

919.4 kB

After Optimization

695.0 kB

In fact, the total size of Handyhilfe.o2online.de main page is 919.4 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. 40% of websites need less resources to load. Javascripts take 489.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 210.3 kB

Original 256.0 kB
After minification 254.7 kB
After compression 45.8 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 210.3 kB or 82% of the original size.

JavaScript Optimization

-1%

Potential reduce by 6.5 kB

Original 489.7 kB
After minification 489.7 kB
After compression 483.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 7.5 kB

Original 173.6 kB
After minification 173.6 kB
After compression 166.1 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. Handyhilfe.o2online.de has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Handyhilfe O2 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 22 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

High

Page is blocked from indexing

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/).

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 Handyhilfe.o2online.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 Handyhilfe.o2online.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

Open Graph data is detected on the main page of Handyhilfe O2 Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: