4.2 sec in total
331 ms
3.6 sec
287 ms
Visit zoobasel.ch now to see the best up-to-date Zoo Basel content for Switzerland and also check out these interesting facts you probably never knew about zoobasel.ch
Der Zoo Basel fasziniert seit seiner Eröffnung 1874 seine BesucherInnen. Erfahren Sie alles rund um den Zolli.
Visit zoobasel.chWe analyzed Zoobasel.ch page load time and found that the first response time was 331 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
zoobasel.ch performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value22.5 s
0/100
25%
Value15.5 s
0/100
10%
Value80 ms
99/100
30%
Value0.121
84/100
15%
Value14.7 s
8/100
10%
331 ms
233 ms
14 ms
433 ms
708 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 97% of them (74 requests) were addressed to the original Zoobasel.ch, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Zoobasel.ch.
Page size can be reduced by 735.0 kB (46%)
1.6 MB
871.6 kB
In fact, the total size of Zoobasel.ch main page is 1.6 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. 45% of websites need less resources to load. Images take 670.4 kB which makes up the majority of the site volume.
Potential reduce by 25.7 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. This page needs HTML code to be minified as it can gain 3.8 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.7 kB or 82% of the original size.
Potential reduce by 9.2 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. Zoo Basel images are well optimized though.
Potential reduce by 420.3 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 420.3 kB or 73% of the original size.
Potential reduce by 279.7 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. Zoobasel.ch needs all CSS files to be minified and compressed as it can save up to 279.7 kB or 85% of the original size.
Number of requests can be reduced by 57 (79%)
72
15
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoo Basel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 37 to 1 for CSS and as a result speed up the page load time.
zoobasel.ch
331 ms
index.php
233 ms
ga.js
14 ms
bootstrap.css
433 ms
animate.min.css
708 ms
jquery.fancybox.css
241 ms
font-awesome.min.css
444 ms
bootstrapValidator.css
266 ms
p7AP3-01-swf.css
227 ms
p7ap3-columns-swf.css
399 ms
p7TP3-10-swf.css
352 ms
p7tp3-columns-swf.css
381 ms
owl.carousel.css
624 ms
owl.theme.default.min.css
494 ms
jquery.jscrollpane.css
509 ms
swf_stylesheets.css
540 ms
supersized.blue.css
551 ms
supersized.css
603 ms
jquery-latest.pack.js
998 ms
bootstrap.js
846 ms
dmxAnimateCSS.js
720 ms
jquery.easing.1.3.js
728 ms
jquery.dmxzone_animations_pack.js
747 ms
jquery.fancybox.pack.js
964 ms
jquery.easing.min.js
840 ms
dmxSupersized.js
875 ms
p7EHCscripts.js
860 ms
p7AP3scripts.js
972 ms
p7TP3scripts.js
995 ms
dmxDataBindings.js
1111 ms
dmxDataSet.js
986 ms
dmxDataFilters.js
1083 ms
bootstrapValidator.min.js
1268 ms
de_DE.js
1116 ms
owl.carousel.min.js
1137 ms
jquery.jscrollpane.min.js
1119 ms
jquery.mousewheel.js
1200 ms
forms.js
1225 ms
__utm.gif
14 ms
scripts.js
1192 ms
swf_addons.css
753 ms
swf_alerts.css
747 ms
swf_basics.css
777 ms
swf_buttons.css
824 ms
swf_content.css
845 ms
swf_dropdown.css
854 ms
swf_footer.css
854 ms
swf_form.css
866 ms
swf_header.css
893 ms
swf_layout.css
930 ms
swf_navbar.css
954 ms
swf_navs.css
955 ms
swf_panels.css
902 ms
swf_responsive.css
895 ms
swf_sidebar.css
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swf_sitemap.css
869 ms
swf_sliders.css
878 ms
swf_tables.css
880 ms
swf_thumbnail.css
771 ms
swf_webassist.css
784 ms
stylesheet.css
810 ms
open-sans.css
406 ms
za_160317_720.jpg
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pa_160309_720_II.jpg
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za_160317_1600_II.jpg
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green_dark_90.png
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zoobasel.png
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erleben.png
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green_light_80.png
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green_standard_90.png
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green_darkest_90.png
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progress.gif
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fontawesome-webfont.woff
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zoogrotesk.bold-webfont.woff
219 ms
zoobasel.ch 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
zoobasel.ch 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
zoobasel.ch SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zoobasel.ch 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 Zoobasel.ch 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.
zoobasel.ch
Open Graph data is detected on the main page of Zoo Basel. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: