5.1 sec in total
307 ms
4.2 sec
652 ms
Visit heidelberg.de now to see the best up-to-date Heidelberg content for Germany and also check out these interesting facts you probably never knew about heidelberg.de
Herzlich Willkommen auf den Internetseiten der Stadt Heidelberg!
Visit heidelberg.deWe analyzed Heidelberg.de page load time and found that the first response time was 307 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
heidelberg.de performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value14.8 s
0/100
25%
Value9.6 s
11/100
10%
Value870 ms
33/100
30%
Value0.364
29/100
15%
Value12.7 s
13/100
10%
307 ms
615 ms
392 ms
185 ms
188 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 87% of them (76 requests) were addressed to the original Heidelberg.de, 6% (5 requests) were made to Google.com and 3% (3 requests) were made to Heidelberg-veranstaltungen.de. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Heidelberg.de.
Page size can be reduced by 414.6 kB (16%)
2.6 MB
2.2 MB
In fact, the total size of Heidelberg.de main page is 2.6 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. 60% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 10 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. This web page is already compressed.
Potential reduce by 75.3 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. Heidelberg images are well optimized though.
Potential reduce by 301.5 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 301.5 kB or 72% of the original size.
Potential reduce by 37.8 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. Heidelberg.de needs all CSS files to be minified and compressed as it can save up to 37.8 kB or 80% of the original size.
Number of requests can be reduced by 41 (59%)
69
28
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heidelberg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
heidelberg.de
307 ms
www.heidelberg.de
615 ms
HD.html
392 ms
jquery-ui.min.css
185 ms
jquery.bxslider.css
188 ms
jquery-ui.custom.min.css
190 ms
datepicker.css
321 ms
home.css
190 ms
dvv-lightbox-min.css
199 ms
jquery-1.11.1.min.js
551 ms
jquery.touchwipe.min.js
269 ms
jquery.colorbox-min.js
275 ms
jquery.bxslider.min.js
362 ms
jcarousellite_1.0.1.min.js
273 ms
dvv-lightbox-min.js
274 ms
jquery-ui.min.js
906 ms
functions.js
367 ms
dvv_func-min-de.js
364 ms
jquery.hoverIntent.minified.js
365 ms
superfish.js
449 ms
jquery.easing.1.3.js
444 ms
jquery.ui.datepicker.min.js
446 ms
jquery.ui.datepicker-de.min.js
447 ms
overlib.js
477 ms
readpremium2.js
769 ms
scripts.js
466 ms
basic.css
376 ms
base.css
96 ms
basemod.css
97 ms
content.css
101 ms
forms.css
99 ms
print.css
100 ms
search.css
189 ms
dvv-tools.css
191 ms
dvv-calendar.css
190 ms
print_base.css
95 ms
spacer.gif
130 ms
bg-social-media.png
131 ms
ico-social-media.png
129 ms
pixel-black.png
131 ms
ico-morelink.png
128 ms
13_buehne_2014_bahnstadt_stadtteilfest_langer_anger_by_rothe.jpg
1073 ms
13_buehne_fluechtlingskinder_by_Rothe1.jpg
577 ms
13_buehne_schulwegweiser2016_by_dorn.jpg
1127 ms
13_buehne_ferienprogramm_2016_maisfeld_by_stadt_heidelberg.jpg
1357 ms
13_buehne_Campbell_Barracks_Torhaus_by_Diemer.jpg
877 ms
heidelbeer-transparent.png
333 ms
logo-hd.png
574 ms
20.png
574 ms
bg-quicksearch.png
576 ms
cse.js
66 ms
3fbbd6b1-cfa7-4ff0-97ea-af1b2c489f15.woff
516 ms
9aa32a81-1124-4c43-b3db-15bfb1f7aed2.woff
803 ms
4021a3b9-f782-438b-aeb4-c008109a8b64.woff
660 ms
ico-lang-sel.png
791 ms
bg-flynav.png
964 ms
ico-internerlink.png
962 ms
13_slotbild_wahlbrief_by_Rothe.jpg
1213 ms
13_bild_lupe_hd_gestalten.jpg
1017 ms
13_bild_hilde_domin_stadtbuecherei_by_buck.jpg
1013 ms
13_bild_kod_by_rothe.jpg
1012 ms
13_bild_ambulanz_behandlungszimmer_phv_by_rothe%20.jpg
1338 ms
13_buehnenbild_wahllokal_by_Rothe.jpg
1209 ms
31_bild_energy_cities_vorstand_by_rothe.jpg
1207 ms
13_bild_ausbildungshaus_by_rothe.jpg
1207 ms
13_bild_bahnstadt_schwarmstadt_by_rothe.jpg
1640 ms
13_bild_ferienprogramm_jungen_am_brunnen_by_baecker.jpg
1270 ms
81_radfahrer_by_rothe.jpg
1460 ms
13_bild_bus_bei_Nacht_by_Diemer.jpg
1286 ms
13_bild_verkehr_gehwegparken_schulweg_by_rothe.jpg
1287 ms
13_bild_neuenheimer_feld_by_rothe.jpg
1373 ms
ico-partnerlogos.png
1357 ms
cse.js
207 ms
hilfe_klein.png
301 ms
zoom.png
1161 ms
ico-vorlesen.png
984 ms
jsapi
271 ms
ico-print.png
833 ms
ico-sendpage.png
836 ms
ico-sitemap.png
838 ms
ico-feedback.png
890 ms
ico-siteup.png
913 ms
default+de.css
155 ms
default.css
198 ms
default+de.I.js
199 ms
default.css
174 ms
print.css
96 ms
heidelberg.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
heidelberg.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
heidelberg.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
DE
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heidelberg.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Heidelberg.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
heidelberg.de
Open Graph description is not detected on the main page of Heidelberg. 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: