786 ms in total
56 ms
628 ms
102 ms
Click here to check amazing USRA content for United States. Otherwise, check out these important facts you probably never knew about usra.edu
Visit usra.eduWe analyzed Usra.edu page load time and found that the first response time was 56 ms and then it took 730 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
usra.edu performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value6.1 s
12/100
25%
Value4.0 s
81/100
10%
Value510 ms
57/100
30%
Value0.282
43/100
15%
Value6.4 s
60/100
10%
56 ms
122 ms
203 ms
19 ms
31 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 83% of them (40 requests) were addressed to the original Usra.edu, 6% (3 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (288 ms) belongs to the original domain Usra.edu.
Page size can be reduced by 212.3 kB (15%)
1.4 MB
1.2 MB
In fact, the total size of Usra.edu main page is 1.4 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 55.9 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 55.9 kB or 84% of the original size.
Potential reduce by 137.8 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, USRA needs image optimization as it can save up to 137.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 9.5 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 9.5 kB or 11% of the original size.
Potential reduce by 9.0 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. Usra.edu needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 23% of the original size.
Number of requests can be reduced by 5 (11%)
46
41
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of USRA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
www.usra.edu
56 ms
js
122 ms
js
203 ms
css_XAJhTa_k0gC0_iTeNnbySiMH0D04VV5ISkbvmnVeSf0.css
19 ms
css_dKbtMu7kyXj4MCo0g-eCqE4lXTtaaUpZk3n4tt7e1uU.css
31 ms
addthis_widget.js
39 ms
js_9ca1vHZuUHypI6n0oQd6j87-m7LYMMQOo5aBFTBQOdU.js
37 ms
css
29 ms
bg__basicPage__content.png
57 ms
logo__usra--white.svg
96 ms
menu-expanded.png
95 ms
Cover%20Image%202.NeutronStarMerger_Shot1_4KStill5_v01.jpg
97 ms
Helio.png
94 ms
L%26P%20Orientale%20Basin.png
195 ms
EarthScience.Mathewiss041e012113-orig.jpg
191 ms
9.%20%20D-Wave%202000Q%20close%20.jpg
193 ms
Aeronautics3.png
193 ms
MicrogravityMDCA2.jpg
193 ms
SpaceTech5.KSC-2011-7894-orig.jpg
192 ms
RIACS3.jpg
227 ms
er_088_35513361112_o.jpg
228 ms
bg__homeGlobePlaceHolder.jpg
227 ms
GSFC_20171208_Archive_e001886_thumb.jpg
227 ms
SOPHIA.jpg
227 ms
Helio2.png
229 ms
Helio1.png
280 ms
L%26P%20Orientale%20Basin.png
281 ms
pluto.png
281 ms
IceBridge%20New.jpg
278 ms
Earth%20Science.Hawaii.png
279 ms
3.%20D-Wave%202000QQ_B.JPG
277 ms
Nissan%2BSeamless%2BAutonomous%2BMobility_01.jpg
282 ms
Aeronautics4.png
284 ms
FLightHardwareIMage.png
282 ms
multi-user-droplet-combustion-apparatus-mdca_0.jpg
281 ms
hexagonal-array-fluid-physics.jpg
285 ms
SpaceTech2.png
284 ms
107755main_highefficiencycryocooler.jpg
283 ms
er_088_35513361112_o.jpg
284 ms
UnivEngage3image1.JPG
285 ms
icon__interestedIn--learnMore.svg
287 ms
icon__interestedIn--educational.svg
285 ms
icon__interestedIn--latest.svg
288 ms
font
188 ms
js
140 ms
fontawesome-webfont.woff
128 ms
analytics.js
34 ms
collect
13 ms
usra.edu accessibility score
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
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
Links do not have a discernible name
usra.edu 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
usra.edu 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
Links are not crawlable
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 Usra.edu 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 Usra.edu 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.
usra.edu
Open Graph description is not detected on the main page of USRA. 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: