6 sec in total
706 ms
3.8 sec
1.5 sec
Visit tarifcheck.o2online.de now to see the best up-to-date Tarifcheck O2 Online content for Germany and also check out these interesting facts you probably never knew about tarifcheck.o2online.de
Dein Mobilfunkanbieter für ✓ günstige Handytarife ✓ Top-Smartphones ✓ Internet mobil & zu Hause ᐅ o2 Angebote entdecken.
Visit tarifcheck.o2online.deWe analyzed Tarifcheck.o2online.de page load time and found that the first response time was 706 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
tarifcheck.o2online.de performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value17.2 s
0/100
25%
Value14.3 s
1/100
10%
Value7,080 ms
0/100
30%
Value0.08
94/100
15%
Value18.7 s
3/100
10%
706 ms
604 ms
119 ms
285 ms
130 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tarifcheck.o2online.de, 8% (7 requests) were made to Static.o9.de and 8% (7 requests) were made to Library.telefonica.de. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Static2.o9.de.
Page size can be reduced by 252.0 kB (50%)
501.3 kB
249.3 kB
In fact, the total size of Tarifcheck.o2online.de main page is 501.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 186.2 kB which makes up the majority of the site volume.
Potential reduce by 157.3 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 157.3 kB or 84% of the original size.
Potential reduce by 19 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. Tarifcheck O2 Online images are well optimized though.
Potential reduce by 87.7 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 87.7 kB or 63% of the original size.
Potential reduce by 7.1 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. Tarifcheck.o2online.de has all CSS files already compressed.
Number of requests can be reduced by 13 (16%)
80
67
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tarifcheck 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 14 to 1 for JavaScripts and as a result speed up the page load time.
www.o2online.de
706 ms
loader.js
604 ms
adspace-trbo.js
119 ms
trbo_12897_06a204cf5064fdf6e30c998bdf5f0f6b.js
285 ms
main.css
130 ms
bundle.css
676 ms
vendors.js
969 ms
bundle.js
1031 ms
routingwidget-js
412 ms
bundle.js
746 ms
bundle.js
744 ms
vertrag-kuendigen-js-code
327 ms
jquery-2.1.1.min.js
197 ms
webapp.js
203 ms
app.min.js
325 ms
gtm.js
93 ms
bundle.js
471 ms
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tarifcheck.o2online.de accessibility score
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
Image elements do not have [alt] attributes
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.
tarifcheck.o2online.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
tarifcheck.o2online.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 Tarifcheck.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 Tarifcheck.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.
tarifcheck.o2online.de
Open Graph data is detected on the main page of Tarifcheck O2 Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: