51.1 sec in total
2.5 sec
47.9 sec
644 ms
Visit zuber.im now to see the best up-to-date Zuber content for China and also check out these interesting facts you probably never knew about zuber.im
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Visit zuber.imWe analyzed Zuber.im page load time and found that the first response time was 2.5 sec and then it took 48.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zuber.im performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value10.4 s
0/100
25%
Value10.7 s
7/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value5.2 s
74/100
10%
2519 ms
5714 ms
20086 ms
1136 ms
1147 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 25% of them (14 requests) were addressed to the original Zuber.im, 25% (14 requests) were made to Resource.zuber.im and 13% (7 requests) were made to Img.17zub.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Api0.map.bdimg.com.
Page size can be reduced by 582.1 kB (74%)
784.2 kB
202.1 kB
In fact, the total size of Zuber.im main page is 784.2 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. 30% of websites need less resources to load. Javascripts take 473.3 kB which makes up the majority of the site volume.
Potential reduce by 32.4 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 5.9 kB, which is 15% 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 32.4 kB or 85% of the original size.
Potential reduce by 59.3 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. Obviously, Zuber needs image optimization as it can save up to 59.3 kB or 85% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 321.1 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 321.1 kB or 68% of the original size.
Potential reduce by 169.3 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. Zuber.im needs all CSS files to be minified and compressed as it can save up to 169.3 kB or 83% of the original size.
Number of requests can be reduced by 24 (48%)
50
26
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zuber. 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.
roomsearch
2519 ms
bootstrap.min.css
5714 ms
zuber.min.css
20086 ms
style.css
1136 ms
railway.css
1147 ms
mobile.css
1186 ms
jquery.min.js
4322 ms
angular.min.js
16189 ms
angular-ui-router.min.js
5501 ms
lodash.min.js
4512 ms
restangular.min.js
5359 ms
zuber.lib.js
15406 ms
bootstrap.min.js
6416 ms
api
914 ms
ngSocket.js
7184 ms
angular-cookies.min.js
6934 ms
qrcode.min.js
7464 ms
jweixin-1.0.0.js
1680 ms
zuber.min.3.1.0.js
13195 ms
getscript
2563 ms
hm.js
507 ms
terminal
8222 ms
layout.html
2615 ms
blank.gif
288 ms
getmodules
20410 ms
hm.gif
232 ms
roomsearch.html
3743 ms
header.html
574 ms
header-mobile.html
640 ms
footer.html
2275 ms
card.html
943 ms
railway
1444 ms
search
1897 ms
glyphicons-halflings-regular.woff
2073 ms
blank.gif
279 ms
openhand.cur
1211 ms
getmodules
3711 ms
logo.png
1128 ms
home.png
7642 ms
user.png
2234 ms
message.png
861 ms
blank.gif
299 ms
railway
1308 ms
terminal
810 ms
search
1074 ms
0
587 ms
56972ed569d1a.jpg
3538 ms
0
440 ms
0
522 ms
5703c87ad6e4a.jpg
2435 ms
5703b3d6f160b.jpg
2476 ms
5707cb2a8efb4.jpg
2452 ms
55c9a0755a5f5.jpg
2950 ms
5707cafb42e4c.jpg
8763 ms
5705fb1acaea0.jpg
3901 ms
zuber.im 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
Image elements do not have [alt] attributes
Links do not have a discernible name
zuber.im best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
zuber.im SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zuber.im can be misinterpreted by Google and other search engines. Our service has detected that English 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 Zuber.im 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.
zuber.im
Open Graph description is not detected on the main page of Zuber. 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: