4 sec in total
817 ms
2.6 sec
555 ms
Click here to check amazing Visitnasa content for United States. Otherwise, check out these important facts you probably never knew about visitnasa.com
The NASA visitor centers offer a unique blend of education and entertainment as you explore America's human space flight.
Visit visitnasa.comWe analyzed Visitnasa.com page load time and found that the first response time was 817 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
visitnasa.com performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value6.8 s
7/100
25%
Value5.9 s
47/100
10%
Value80 ms
99/100
30%
Value0.367
29/100
15%
Value7.3 s
50/100
10%
817 ms
13 ms
91 ms
96 ms
224 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 83% of them (53 requests) were addressed to the original Visitnasa.com, 6% (4 requests) were made to F.vimeocdn.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Visitnasa.com.
Page size can be reduced by 795.9 kB (41%)
2.0 MB
1.2 MB
In fact, the total size of Visitnasa.com main page is 2.0 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. 55% of websites need less resources to load. Images take 905.5 kB which makes up the majority of the site volume.
Potential reduce by 40.6 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 11.1 kB, which is 23% 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 40.6 kB or 86% of the original size.
Potential reduce by 17.0 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. Visitnasa images are well optimized though.
Potential reduce by 460.6 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 460.6 kB or 68% of the original size.
Potential reduce by 277.7 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. Visitnasa.com needs all CSS files to be minified and compressed as it can save up to 277.7 kB or 87% of the original size.
Number of requests can be reduced by 33 (52%)
63
30
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Visitnasa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
www.visitnasa.com
817 ms
ga.js
13 ms
layerslider.css
91 ms
styles.css
96 ms
jquery.js
224 ms
jquery-migrate.min.js
96 ms
layerslider.kreaturamedia.jquery.js
176 ms
jquery-easing-1.3.js
133 ms
jquerytransit.js
138 ms
layerslider.transitions.js
139 ms
style.css
353 ms
primary-blue.css
188 ms
_mobile.css
188 ms
__utm.gif
15 ms
comment-reply.js
139 ms
custom-main.js
138 ms
jquery.prettyPhoto.js
142 ms
jquery.superfish.js
139 ms
jquery.cycle.all.min.js
140 ms
jquery.easing.1.3.js
140 ms
jquery.isotope.js
141 ms
jquery.form.min.js
142 ms
scripts.js
145 ms
NVC_NASA1.png
47 ms
sprite.png
238 ms
bg-top-aside-shadow.png
70 ms
bg-ui-gradient.png
70 ms
nasa-visitor-centers-locations-map.png
192 ms
nasa-passport-to-explore-space.png
192 ms
timthumb.php
192 ms
timthumb.php
235 ms
timthumb.php
235 ms
timthumb.php
444 ms
timthumb.php
443 ms
timthumb.php
445 ms
timthumb.php
460 ms
timthumb.php
473 ms
timthumb.php
466 ms
Armstrong-278x179.jpg
484 ms
timthumb.php
700 ms
timthumb.php
736 ms
timthumb.php
939 ms
timthumb.php
1072 ms
the-space-flyer-email-newsletter-small.jpg
516 ms
nasa-meatball.png
528 ms
shadow-1.png
544 ms
bg-ui-shadow-bottom.png
550 ms
earth-banner-tall.jpg
634 ms
bg-gallery-wrap.png
597 ms
img-frames.png
643 ms
lightbox-linked.png
685 ms
77228561
146 ms
skin.css
589 ms
arrow-small-down.png
573 ms
player.js
138 ms
player.css
116 ms
ga.js
76 ms
vuid.min.js
129 ms
__utm.gif
28 ms
proxy.html
51 ms
77228561.json
51 ms
blank.gif
49 ms
skin.png
48 ms
455714574_640.jpg
27 ms
visitnasa.com accessibility score
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
visitnasa.com 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
Issues were logged in the Issues panel in Chrome Devtools
visitnasa.com SEO score
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 doesn't use legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Visitnasa.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 Visitnasa.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.
visitnasa.com
Open Graph data is detected on the main page of Visitnasa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: