3.9 sec in total
139 ms
3.6 sec
158 ms
Visit science.dresden.de now to see the best up-to-date Science Dresden content for Germany and also check out these interesting facts you probably never knew about science.dresden.de
Visit science.dresden.deWe analyzed Science.dresden.de page load time and found that the first response time was 139 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
science.dresden.de performance score
name
value
score
weighting
Value3.7 s
29/100
10%
Value8.4 s
2/100
25%
Value6.5 s
38/100
10%
Value70 ms
99/100
30%
Value0.003
100/100
15%
Value7.3 s
50/100
10%
139 ms
602 ms
244 ms
335 ms
240 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 61% of them (23 requests) were addressed to the original Science.dresden.de, 29% (11 requests) were made to Assets.dresden.de and 5% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Dresden-science-calendar.de.
Page size can be reduced by 918.7 kB (63%)
1.5 MB
548.8 kB
In fact, the total size of Science.dresden.de main page is 1.5 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. 30% of websites need less resources to load. Javascripts take 567.0 kB which makes up the majority of the site volume.
Potential reduce by 167.7 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 167.7 kB or 90% of the original size.
Potential reduce by 19.1 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. Science Dresden images are well optimized though.
Potential reduce by 434.0 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 434.0 kB or 77% of the original size.
Potential reduce by 297.9 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. Science.dresden.de needs all CSS files to be minified and compressed as it can save up to 297.9 kB or 87% of the original size.
Number of requests can be reduced by 18 (53%)
34
16
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Dresden. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
en
139 ms
602 ms
overlib.js
244 ms
calendar.js
335 ms
calendar-setup.js
240 ms
calendar-de.js
222 ms
table.js
218 ms
news.js
220 ms
topic_legend.js
335 ms
printer.js
331 ms
notepad_button.js
334 ms
embed.js
354 ms
onload.js
361 ms
prototype.js
662 ms
jquery-2.1.3.min.js
570 ms
dsc_ajax.js
449 ms
hyphenation.js
688 ms
dyncssDresden.css
1212 ms
css_lhdd.php
714 ms
extra.css
470 ms
css
26 ms
wz_tooltip.js
478 ms
background_science_calendar.jpg
215 ms
365_logo_dsc.jpg
215 ms
90_logo_dresden_concept.png
112 ms
82_logo_dresden_stadt.jpg
216 ms
ladekreis.gif
217 ms
icon_cancel_alpha.png
204 ms
arrow_dsc_big_right_alpha.png
215 ms
icon_minus_v1_border_half.png
218 ms
arrow_big_double_right_alpha.png
213 ms
FUDHvzEKSJww3kCxuiAo2A.ttf
24 ms
0XxGQsSc1g4rdRdjJKZrNC3USBnSvpkopQaUR-2r7iU.ttf
23 ms
icon_plus_v1_border_half.png
216 ms
icon_calendar_border_half.png
262 ms
arrow_big_double_right_alpha.png
252 ms
997_startbild.jpg
998 ms
arrow_big_double_top_alpha.png
261 ms
science.dresden.de accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
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.
science.dresden.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
Missing source maps for large first-party JavaScript
science.dresden.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 uses legible font sizes
DE
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Science.dresden.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 Science.dresden.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.
science.dresden.de
Open Graph description is not detected on the main page of Science Dresden. 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: