135 ms in total
9 ms
126 ms
0 ms
Visit zephyr-sim.com now to see the best up-to-date Zephyr Sim content and also check out these interesting facts you probably never knew about zephyr-sim.com
Zephyr Drone Simulator is a full-featured drone training software for drone instructors, flight academies, professionals and hobbyists. Our advanced UAV simulator trains drone pilots to safely and eff...
Visit zephyr-sim.comWe analyzed Zephyr-sim.com page load time and found that the first response time was 9 ms and then it took 126 ms 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.
zephyr-sim.com performance score
name
value
score
weighting
Value1.8 s
89/100
10%
Value19.0 s
0/100
25%
Value8.4 s
18/100
10%
Value2,880 ms
3/100
30%
Value0.042
99/100
15%
Value17.5 s
4/100
10%
9 ms
18 ms
46 ms
73 ms
55 ms
Our browser made a total of 5 requests to load all elements on the main page. We found that 60% of them (3 requests) were addressed to the original Zephyr-sim.com, 20% (1 request) were made to Fonts.googleapis.com and 20% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (73 ms) relates to the external source Googletagmanager.com.
Page size can be reduced by 3.3 kB (0%)
1.7 MB
1.7 MB
In fact, the total size of Zephyr-sim.com main page is 1.7 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. 25% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 3.3 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 3.3 kB or 72% of the original size.
Potential reduce by 0 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.
We found no issues to fix!
3
3
The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zephyr Sim. According to our analytics all requests are already optimized.
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zephyr-sim.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
Buttons do not have an accessible name
Links do not have a discernible name
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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.
zephyr-sim.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
zephyr-sim.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Zephyr-sim.com 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 Zephyr-sim.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.
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zephyr-sim.com
Open Graph data is detected on the main page of Zephyr Sim. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: