3.2 sec in total
145 ms
1.9 sec
1.2 sec
Click here to check amazing NASTAR Center content. Otherwise, check out these important facts you probably never knew about nastarcenter.com
The NASTAR Center is a commercial-use facility for aerospace physiology training and research. It combines state-of-the-art flight simulators with physiology-based courseware for orbital and suborbita...
Visit nastarcenter.comWe analyzed Nastarcenter.com page load time and found that the first response time was 145 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
nastarcenter.com performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value7.6 s
4/100
25%
Value6.7 s
36/100
10%
Value2,840 ms
3/100
30%
Value0
100/100
15%
Value19.2 s
2/100
10%
145 ms
265 ms
48 ms
64 ms
123 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 33% of them (16 requests) were addressed to the original Nastarcenter.com, 13% (6 requests) were made to Youtube.com and 13% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Disabilityinsider.com.
Page size can be reduced by 107.5 kB (4%)
2.4 MB
2.3 MB
In fact, the total size of Nastarcenter.com main page is 2.4 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. 65% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 19.7 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 4.2 kB, which is 16% 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 19.7 kB or 77% of the original size.
Potential reduce by 82.2 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. NASTAR Center images are well optimized though.
Potential reduce by 2.8 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 2.7 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. Nastarcenter.com has all CSS files already compressed.
Number of requests can be reduced by 19 (48%)
40
21
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NASTAR Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
nastarcenter.com
145 ms
www.nastarcenter.com
265 ms
bootstrap.min.css
48 ms
style.css
64 ms
ui-kit.css
123 ms
d043122c80.js
72 ms
animate.min.css
63 ms
css
62 ms
css
74 ms
css
84 ms
css
80 ms
jquery-3.5.1.slim.min.js
44 ms
popper.min.js
57 ms
bootstrap.min.js
58 ms
wow.min.js
180 ms
now-ui-kit.min.js
180 ms
counter.js
85 ms
A9UU7OUxILI
122 ms
k-f9x4cQLPM
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Jean-Maggi-838x525.jpg
1312 ms
730aa16f-141a-4f3d-93e3-67b15ba90745_image4.jpg
38 ms
2018-05-31_AXIOM_2-crew_quarter_interior_BD.jpeg
32 ms
nastar-center.svg
181 ms
situational-awareness-spatial-disorientation-training-courses.jpg
547 ms
egress-post-egress-training.jpg
547 ms
space-training-cockpit.jpg
182 ms
aviation-research-services.jpg
550 ms
IAASS-workshop-2024.png
1011 ms
Hasard-Lee-NASTAR-Center.jpg
550 ms
wsj-podcast-lg.png
648 ms
spotlight-labs-at-nastar-center.png
1006 ms
netflix-countdown.jpg
547 ms
t.php
143 ms
KFOlCnqEu92Fr1MmYUtfBBc-AMP6lQ.woff
23 ms
KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff
78 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQUwaEQXjM.woff
127 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff
127 ms
www-player.css
27 ms
www-embed-player.js
21 ms
base.js
126 ms
ad_status.js
301 ms
QaMcj-JulTnv9WX-ZKiswnw1NZ6KstGU-WkCl6294a4.js
211 ms
embed.js
121 ms
KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff
52 ms
KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff
54 ms
id
44 ms
Create
283 ms
Create
415 ms
nastarcenter.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
nastarcenter.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
Page has valid source maps
nastarcenter.com 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nastarcenter.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 Nastarcenter.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.
nastarcenter.com
Open Graph description is not detected on the main page of NASTAR Center. 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: