2.2 sec in total
355 ms
1.4 sec
476 ms
Welcome to astro.indiana.edu homepage info - get ready to check Astro Indiana best content for United States right away, or after learning these important things about astro.indiana.edu
Astronomy Homepage
Visit astro.indiana.eduWe analyzed Astro.indiana.edu page load time and found that the first response time was 355 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
astro.indiana.edu performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value11.6 s
0/100
25%
Value8.8 s
16/100
10%
Value5,840 ms
0/100
30%
Value0.001
100/100
15%
Value13.8 s
10/100
10%
355 ms
119 ms
137 ms
163 ms
198 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 25% of them (13 requests) were addressed to the original Astro.indiana.edu, 16% (8 requests) were made to Coasunit.sitehost.iu.edu and 14% (7 requests) were made to Unitbase.college.indiana.edu. The less responsive or slowest element that took the longest time to load (632 ms) belongs to the original domain Astro.indiana.edu.
Page size can be reduced by 178.5 kB (9%)
2.0 MB
1.8 MB
In fact, the total size of Astro.indiana.edu 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 1.8 MB which makes up the majority of the site volume.
Potential reduce by 60.5 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 60.5 kB or 84% of the original size.
Potential reduce by 66.9 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. Astro Indiana images are well optimized though.
Potential reduce by 46.1 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 46.1 kB or 43% of the original size.
Potential reduce by 5.1 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. Astro.indiana.edu has all CSS files already compressed.
Number of requests can be reduced by 18 (50%)
36
18
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astro Indiana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
astro.indiana.edu
355 ms
style.css
119 ms
icon-font.css
137 ms
global.css
163 ms
brand.css
198 ms
search.css
210 ms
unit.css
211 ms
site.css
34 ms
modernizr.min.js
142 ms
jquery-2.1.1.min.js
44 ms
global.js
210 ms
search.js
166 ms
site-1.2.js
210 ms
search.js
62 ms
icon-font.css
139 ms
global.css
141 ms
brand.css
118 ms
search.css
108 ms
unit.css
107 ms
global.js
142 ms
site-1.2.js
121 ms
analytics.js
403 ms
trident-large.png
401 ms
noao-pmhydrafp-profile.jpg
485 ms
search.png
440 ms
trident-small.png
480 ms
iotw2002a_highlight.jpg
439 ms
m87blackhole_highlight.jpg
485 ms
noao-odi-6000-highlight.jpg
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neid20200107-16-highlight.jpg
589 ms
salzer.jpg
511 ms
maas-zach-profile.jpg
509 ms
miller.jpg
541 ms
pavlik-vaclav-profile.jpg
632 ms
gtm.js
398 ms
search.png
416 ms
iotw2141a_cropped2wcredit.jpg
565 ms
benton-sans-regular.woff
300 ms
benton-sans-cond-regular.woff
357 ms
benton-sans-bold.woff
427 ms
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10 ms
benton-sans-cond-bold.woff
433 ms
cse.js
303 ms
sdk.js
142 ms
collect
39 ms
collect
81 ms
cse.js
82 ms
sdk.js
9 ms
cse_element__en.js
8 ms
default+en.css
37 ms
default.css
40 ms
astro.indiana.edu accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
[aria-*] attributes are not valid or misspelled
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
Heading elements are not in a sequentially-descending order
astro.indiana.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
astro.indiana.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
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 Astro.indiana.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 Astro.indiana.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.
astro.indiana.edu
Open Graph data is detected on the main page of Astro Indiana. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: