4.7 sec in total
439 ms
3.7 sec
476 ms
Visit r2cities.eu now to see the best up-to-date R2Cities content and also check out these interesting facts you probably never knew about r2cities.eu
The R2Cities project aims to develop and demonstrate replicable strategies for designing, constructing and managing large scale district renovation projects for achieving nearly zero energy cities.
Visit r2cities.euWe analyzed R2cities.eu page load time and found that the first response time was 439 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
r2cities.eu performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value7.1 s
5/100
25%
Value10.1 s
9/100
10%
Value21,410 ms
0/100
30%
Value0.006
100/100
15%
Value33.2 s
0/100
10%
439 ms
28 ms
106 ms
196 ms
290 ms
Our browser made a total of 109 requests to load all elements on the main page. We found that 79% of them (86 requests) were addressed to the original R2cities.eu, 10% (11 requests) were made to Platform.twitter.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Web.archive.org.
Page size can be reduced by 100.2 kB (11%)
953.5 kB
853.3 kB
In fact, the total size of R2cities.eu main page is 953.5 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. 65% of websites need less resources to load. Images take 739.3 kB which makes up the majority of the site volume.
Potential reduce by 39.1 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 39.1 kB or 78% of the original size.
Potential reduce by 57.3 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. R2Cities images are well optimized though.
Potential reduce by 3.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 516 B
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. R2cities.eu needs all CSS files to be minified and compressed as it can save up to 516 B or 47% of the original size.
Number of requests can be reduced by 17 (16%)
104
87
The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of R2Cities. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
r2cities.eu
439 ms
analytics.js
28 ms
jsdomenu.js
106 ms
jsdomenubar.js
196 ms
jquery-1.9.1.min.js
290 ms
jquery-ui.js
360 ms
office_xp.css
194 ms
jquery.appear.js
202 ms
css
43 ms
buttons.js
41 ms
Style_LvRgJQ_506_5241_0_0.css
299 ms
kbt.js
297 ms
collect
101 ms
buttons.js
72 ms
v2-close-black.png
140 ms
v2-open-black.png
138 ms
r2citieswebsitelogo.jpg
159 ms
ORIGINALyoutube50x50.JPG
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ORIGINALtwitter50x50.JPG
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lavatrici_genovanew.jpg
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kartal_2.jpg
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district_250x130.jpg
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genoa_2.jpg
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smartcities.jpg
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TWITTERblur2cities40x40.PNG
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LinkedinBLUr2cities40x40.PNG
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iconataginnovationsociety.JPG
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iconatagsmartcities.JPG
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iconatageconomy.JPG
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valladolid.jpg
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lavatrici_250x130.jpg
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kartal.jpg
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abblogo.jpg
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acc.png
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logo_cartif_01_3.jpg
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genovalogo.jpg
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rina.png
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exodenge.jpg
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logoistambul.jpg
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kartallogo.jpg
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mir.jpg
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logo_ovaerdi_completo.png
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onyxlogo.jpg
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reengen.jpg
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S6u9w4BMUTPHh7USSwiPHA.ttf
81 ms
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S6u9w4BMUTPHh6UVSwiPHA.ttf
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vivalogo.jpg
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widgets.js
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s2i.png
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solitem.jpg
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univgenovalogo.jpg
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widget_iframe.7dae38096d06923d683a2a807172322a.html
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soma-overlay.png
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soma-normal.png
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lagunadeduero-overlay.png
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lagunadeduero-normal.png
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bolzano-overlay.png
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bolzano-normal.png
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insbruck-overlay.png
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settings
87 ms
insbruck-normal.png
563 ms
amsterdam-overlay.png
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amsterdam-normal.png
584 ms
aarhus-normal.png
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vaxjo-normal.png
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lund-normal.png
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img164028_0_0.png
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600 ms
horizon_timeline.a7991bb824d62c8d5038ddd875db8389.js
24 ms
embeds
34 ms
img164032_0_0.png
565 ms
R2CITIES
749 ms
img164034_0_0.png
569 ms
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572 ms
gothenburg-normal.png
566 ms
img164040_0_0.png
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polyfills-57d3feabe8bfd4ee389c.js
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runtime-eb61dff4a84b8f906e6b.js
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modules.c7def0268c66f6a548ed.js
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main-e9db78f5e7b3d83edd5e.js
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140 ms
%5BscreenName%5D-c8b4c96951cf24f547b4.js
163 ms
_buildManifest.js
126 ms
_ssgManifest.js
126 ms
r2cities.eu 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
Links do not have a discernible name
r2cities.eu 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
Browser errors were logged to the console
Page has valid source maps
r2cities.eu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise R2cities.eu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that R2cities.eu 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.
r2cities.eu
Open Graph description is not detected on the main page of R2Cities. 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: