Access telefonieren-und-surfen.de. congstar Tarife (Vertrag, Prepaid, Homespot) und Handy Angebote

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

71/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

congstar.angebote-tarife.de

718 ms

style.css

194 ms

rss-feed-pro.css

305 ms

cookieblocker.min.css

313 ms

style.css

314 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Telefonieren-und-surfen.de, 3% (1 request) were made to Communicationads.net and 3% (1 request) were made to . The less responsive or slowest element that took the longest time to load (718 ms) relates to the external source Congstar.angebote-tarife.de.

Content Size

200.8 kB

After Optimization

120.9 kB

In fact, the total size of Telefonieren-und-surfen.de main page is 200.8 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. 25% of websites need less resources to load. Images take 100.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 79.9 kB

Original 100.2 kB
After minification 98.5 kB
After compression 20.3 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 79.9 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 31 B

Original 100.6 kB
After minification 100.6 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. Telefonieren Und Surfen images are well optimized though.

Requests Now

After Optimization

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Telefonieren Und Surfen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-hidden="true"] elements contain focusable descendents

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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 Telefonieren-und-surfen.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 Telefonieren-und-surfen.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 description is not detected on the main page of Telefonieren Und Surfen. 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: