1.3 sec in total
329 ms
781 ms
146 ms
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Homepage
Visit zulver.comWe analyzed Zulver.com page load time and found that the first response time was 329 ms and then it took 927 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
zulver.com performance score
name
value
score
weighting
Value0.6 s
100/100
10%
Value0.6 s
100/100
25%
Value0.6 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.6 s
100/100
10%
329 ms
283 ms
85 ms
13 ms
82 ms
Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Zulver.com, 50% (3 requests) were made to Zulver.co.uk and 33% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (329 ms) belongs to the original domain Zulver.com.
Page size can be reduced by 1.9 kB (8%)
23.7 kB
21.8 kB
In fact, the total size of Zulver.com main page is 23.7 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. Only 5% of websites need less resources to load. Javascripts take 17.2 kB which makes up the majority of the site volume.
Potential reduce by 1.1 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 1.1 kB or 50% of the original size.
Potential reduce by 0 B
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. Zulver images are well optimized though.
Potential reduce by 34 B
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 710 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. Zulver.com needs all CSS files to be minified and compressed as it can save up to 710 B or 65% of the original size.
We found no issues to fix!
4
4
The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zulver. According to our analytics all requests are already optimized.
zulver.com
329 ms
www.zulver.co.uk
283 ms
zu.css
85 ms
ga.js
13 ms
under-construction-2.png
82 ms
__utm.gif
13 ms
zulver.com accessibility score
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
Document doesn't have a <title> element
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
zulver.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
zulver.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zulver.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Zulver.com 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.
zulver.com
Open Graph description is not detected on the main page of Zulver. 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: