10.5 sec in total
584 ms
8.7 sec
1.2 sec
Visit adressbuch.t-online.de now to see the best up-to-date Adressbuch T Online content for Germany and also check out these interesting facts you probably never knew about adressbuch.t-online.de
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Visit adressbuch.t-online.deWe analyzed Adressbuch.t-online.de page load time and found that the first response time was 584 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
adressbuch.t-online.de performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value8.2 s
2/100
25%
Value26.4 s
0/100
10%
Value38,680 ms
0/100
30%
Value0.038
100/100
15%
Value61.0 s
0/100
10%
584 ms
642 ms
241 ms
896 ms
628 ms
Our browser made a total of 241 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Adressbuch.t-online.de, 45% (109 requests) were made to Fssecure.t-online.de and 6% (14 requests) were made to Accounts.login.idm.telekom.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Fssecure.t-online.de.
Page size can be reduced by 487.0 kB (57%)
851.8 kB
364.8 kB
In fact, the total size of Adressbuch.t-online.de main page is 851.8 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. 55% of websites need less resources to load. Javascripts take 693.2 kB which makes up the majority of the site volume.
Potential reduce by 4.6 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 1.9 kB, which is 31% 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 4.6 kB or 74% of the original size.
Potential reduce by 7.5 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. Adressbuch T Online images are well optimized though.
Potential reduce by 460.3 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 460.3 kB or 66% of the original size.
Potential reduce by 14.6 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. Adressbuch.t-online.de needs all CSS files to be minified and compressed as it can save up to 14.6 kB or 78% of the original size.
Number of requests can be reduced by 146 (67%)
219
73
The browser has sent 219 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adressbuch T 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 48 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
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adressbuch.t-online.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
[role]s do not have all required [aria-*] attributes
ARIA IDs are not unique
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
adressbuch.t-online.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
Browser errors were logged to the console
Page has valid source maps
adressbuch.t-online.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Adressbuch.t-online.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 Adressbuch.t-online.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.
adressbuch.t-online.de
Open Graph description is not detected on the main page of Adressbuch T Online. 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: