5.8 sec in total
1.2 sec
4.5 sec
165 ms
Click here to check amazing Sudoku ZEIT content for Germany. Otherwise, check out these important facts you probably never knew about sudoku.zeit.de
Sudoku sehr schwer. Die richtige Herausforderung für alle Sudoku-Profis. Bei dieser Stufe werden Ihnen nur wenige Felder vorgegeben.
Visit sudoku.zeit.deWe analyzed Sudoku.zeit.de page load time and found that the first response time was 1.2 sec and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
sudoku.zeit.de performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value7.7 s
3/100
25%
Value5.7 s
52/100
10%
Value1,640 ms
12/100
30%
Value0.002
100/100
15%
Value11.4 s
19/100
10%
1155 ms
362 ms
347 ms
1892 ms
119 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original Sudoku.zeit.de, 15% (10 requests) were made to Images.zeit.de and 15% (10 requests) were made to Scripts.zeit.de. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Sudoku.zeit.de.
Page size can be reduced by 620.2 kB (67%)
926.0 kB
305.7 kB
In fact, the total size of Sudoku.zeit.de main page is 926.0 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. 35% of websites need less resources to load. Javascripts take 698.1 kB which makes up the majority of the site volume.
Potential reduce by 295 B
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 295 B or 40% of the original size.
Potential reduce by 657 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. Sudoku ZEIT images are well optimized though.
Potential reduce by 452.1 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 452.1 kB or 65% of the original size.
Potential reduce by 167.1 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. Sudoku.zeit.de needs all CSS files to be minified and compressed as it can save up to 167.1 kB or 83% of the original size.
Number of requests can be reduced by 46 (77%)
60
14
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sudoku ZEIT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and as a result speed up the page load time.
sudoku.zeit.de
1155 ms
362 ms
leer.html
347 ms
sudoku_vorschalt_relaunch.pl
1892 ms
281825380.js
119 ms
zon.css
889 ms
jquery-1.9.1.min.js
873 ms
loader.js
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adam.js
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ftg_iq.min.js
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21752,21754,21759,21987
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iam.js
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default.js
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p.min.js
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sudoku-700.gif
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gtm.js
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qs.ioam.de
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tx.io
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rc
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teaser-serienseite-quiz-220x124.jpg
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Sudoku-220x124.jpg
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data
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conversion_async.js
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analytics.js
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collect
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collect
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tx.io
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adj
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webtrekk_v3.js
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zon.js
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adrtxtag.min.js
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moatad.js
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centerpage;tile=2;nd_agr=5;nd_bbs=0;nd_edc=2;nd_gnd=1;nd_hhs=5;nd_hnc=2;nd_hsh=2;nd_mnc=2;nd_ncm=2;nd_ppl=0;nd_prfs=2;nd_yth=0;ni_arts=3;ni_care=3;ni_comp=3;ni_cons=3;ni_cosm=3;ni_educ=3;ni_fash=4;ni_insu=3;ni_tick=3;ni_wite=3;na_ente=2;nd_dcb=2;nd_dcd=6;nd_dcp=3;nd_dcs=5;nf_beer=1;nf_bran=0;nf_diet=1;nf_heal=1;nf_newp=0;nf_orga=0;nf_quic=1;nf_snac=0;nf_stor=1;ng_supe=1;ng_deli=1;ng_disc=1;ng_onli=1;ng_orga=0;ni_doit=0;ni_prov=3;ni_tele=3;ni_wine=4;frq_n=1;ck_d=0;frq=1;ngx=1;&correlator=79048364;ni_opti=3;ni_furn=3;nd_chld=0;sinbest=-1;ysky=0;ymdr=0;ysba=0;ydyc=0;y0=0;sz=120x600,160x600,200x600;kw=zeitonline,undefined;ord=7976436670869589
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2.gif
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zon-logo.svg
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search-s35dcafe155.png
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bg_mainnav.gif
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mainnav-background-highlight.gif
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sudoku.zeit.de accessibility score
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
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
Some elements have a [tabindex] value greater than 0
sudoku.zeit.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
Missing source maps for large first-party JavaScript
sudoku.zeit.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sudoku.zeit.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Sudoku.zeit.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.
sudoku.zeit.de
Open Graph description is not detected on the main page of Sudoku ZEIT. 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: