3.7 sec in total
304 ms
3.1 sec
347 ms
Welcome to dortmund.de homepage info - get ready to check Dortmund best content for Germany right away, or after learning these important things about dortmund.de
Offizielles Stadtportal mit Informationen zu Verwaltung und ihren Services, Lokalpolitik, Wirtschaft, Freizeit, Tourismus und Dienstleistungen
Visit dortmund.deWe analyzed Dortmund.de page load time and found that the first response time was 304 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
dortmund.de performance score
name
value
score
weighting
Value4.3 s
19/100
10%
Value5.5 s
19/100
25%
Value7.2 s
30/100
10%
Value1,050 ms
25/100
30%
Value0
100/100
15%
Value7.1 s
51/100
10%
304 ms
407 ms
400 ms
220 ms
322 ms
Our browser made a total of 114 requests to load all elements on the main page. We found that 86% of them (98 requests) were addressed to the original Dortmund.de, 4% (5 requests) were made to Wetterkontor.de and 4% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (844 ms) belongs to the original domain Dortmund.de.
Page size can be reduced by 492.8 kB (38%)
1.3 MB
808.5 kB
In fact, the total size of Dortmund.de main page is 1.3 MB. 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. Images take 740.9 kB which makes up the majority of the site volume.
Potential reduce by 64.1 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 64.1 kB or 80% of the original size.
Potential reduce by 51.5 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. Dortmund images are well optimized though.
Potential reduce by 154.7 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 154.7 kB or 69% of the original size.
Potential reduce by 222.5 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. Dortmund.de needs all CSS files to be minified and compressed as it can save up to 222.5 kB or 87% of the original size.
Number of requests can be reduced by 57 (51%)
111
54
The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dortmund. 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 6 to 1 for CSS and as a result speed up the page load time.
dortmund.de
304 ms
index.html
407 ms
main3.css
400 ms
nojs.js
220 ms
hauptjavascript.js
322 ms
jqueryjs.js
511 ms
lightboxjs.js
323 ms
lightbox.css
295 ms
aufmacherScript.js
315 ms
ufo.js
407 ms
audioplayer.js
413 ms
reset.css
99 ms
nojs.css
102 ms
logo_dued.gif
121 ms
wappendortmund.gif
120 ms
stadtpanorama_PanoramaGross.jpg
489 ms
Kristina-Broering-Sprehe_Desperados-FRH_Aufmacher.jpg
190 ms
png_copyright_hg.png
120 ms
aufmacher_bildpfeil.gif
118 ms
Latonia_Moore_Aufmacher.jpg
292 ms
Rosenmontagszug_2013_-_Stefanie_Kleemann_17_Aufmacher.jpg
391 ms
punktLinie2.gif
198 ms
Dortmund-Calling-2016_Collection.jpg
203 ms
WAR_Collection.jpg
285 ms
buttonSucheKlein.gif
297 ms
pfeil_rot_rechts.gif
304 ms
punktLinie1.gif
379 ms
Multipicture_DOUeD_Thema.jpg
388 ms
iconLinkExtern.gif
394 ms
iconLinkFacebook.jpg
404 ms
P5292234_Thema.jpg
473 ms
twitter_ButtonQ30.png
485 ms
instagram_ButtonQ30.png
488 ms
facebook_ButtonQ30.png
492 ms
google_ButtonQ30.png
503 ms
youtube_ButtonQ30.png
575 ms
Virtuelles_Rathaus_DetailNormal.jpg
582 ms
iconLinkIntern.gif
581 ms
Jekits_Geigenspiel_243_-_kad_DetailNormal.jpg
584 ms
foto.png
588 ms
Ehrenamtliche_Botschafter_NRW-Stiftung_DetailRasterSpalte7.jpg
821 ms
lupe_lightbox.gif
664 ms
button_scrollen_links.gif
680 ms
ratsitzung_Drehscheibe.jpg
678 ms
Rathaus_April_2015_-_Stefanie_Kleemann_3_Drehscheibe.jpg
682 ms
Familie_Drehscheibe.jpg
686 ms
Buero_Drehscheibe.jpg
766 ms
parkhaus_Drehscheibe.jpg
775 ms
widgets.js
79 ms
wetter.asp
253 ms
Baustellenabsperrung_Drehscheibe.jpg
844 ms
piwik.js
496 ms
c_logo.png
666 ms
barrierefreier_Zugang_Drehscheibe.jpg
672 ms
cc_logo.png
748 ms
katze_vorsichtig_Drehscheibe.jpg
756 ms
Klima_ist_heimspiel_Logo_Drehscheibe.jpg
792 ms
Dortmunder_Bekanntmachungen_Drehscheibe.jpg
694 ms
Photovoltaik_Drehscheibe.jpg
724 ms
wetter.asp
355 ms
Hausdach_Drehscheibe.jpg
674 ms
button_scrollen_rechts.gif
683 ms
iconschliessen.gif
682 ms
radio912.gif
685 ms
gewusstwo_WerbelogosBoxMarktplatz.png
646 ms
dogewo_WerbelogosBoxMarktplatz.png
665 ms
logo_sparbau_neu3_09112010_WerbelogosBoxMarktplatz.png
679 ms
banner_opendi_sbb-145x40_WerbelogosBoxMarktplatz.png
682 ms
logo_immowelt_WerbelogosBoxMarktplatz.png
674 ms
ruler_top.gif
615 ms
ruler_lesezeichen.gif
641 ms
sn_twitter_kl.jpg
660 ms
sn_facebook_kl.jpg
674 ms
sn_googleplus_kl.jpg
680 ms
sn_xing_kl.jpg
671 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
139 ms
sn_mrwong_kl.jpg
609 ms
sn_delicious_kl.jpg
644 ms
sn_twitter_gr.jpg
659 ms
sn_facebook_gr.jpg
676 ms
sn_googleplus_gr.jpg
683 ms
heiter.gif
145 ms
pfeil_rot_rechts.gif
194 ms
wolkig.gif
196 ms
r2.gif
214 ms
sn_xing_gr.jpg
611 ms
sn_mrwong_gr.jpg
602 ms
sn_delicous_gr.jpg
645 ms
sn_vz_gr.jpg
652 ms
sn_myspace_gr.jpg
670 ms
syndication
85 ms
345179120440848385
128 ms
sn_google_gr.jpg
601 ms
sn_digg_gr.jpg
598 ms
ruler_vorlesen.gif
598 ms
serviceElement_empfehlen.gif
639 ms
wappenoutline.gif
610 ms
1f609.png
28 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
29 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
59 ms
icon_audio.gif
590 ms
linkknopf_bg.gif
594 ms
png_kopf_hg.png
597 ms
pfeil_weiss_links.gif
588 ms
EG4CgxzW_normal.png
133 ms
png_hg.png
600 ms
pfeil_rot_unten.gif
568 ms
ruler_zurueck.gif
580 ms
ruler_drucken.gif
594 ms
loading.gif
594 ms
vorhover.gif
589 ms
zurueckhover.gif
597 ms
schliessenhover.gif
575 ms
jot
26 ms
dortmund.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
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Links do not have a discernible 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.
dortmund.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
General
Impact
Issue
Detected JavaScript libraries
dortmund.de SEO score
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 doesn't use legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dortmund.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 Dortmund.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.
dortmund.de
Open Graph description is not detected on the main page of Dortmund. 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: