2.9 sec in total
272 ms
1.6 sec
1 sec
Click here to check amazing Noao content for United States. Otherwise, check out these important facts you probably never knew about noao.edu
Visit noao.eduWe analyzed Noao.edu page load time and found that the first response time was 272 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
noao.edu performance score
272 ms
147 ms
74 ms
219 ms
219 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 63% of them (22 requests) were addressed to the original Noao.edu, 20% (7 requests) were made to Google.com and 9% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (483 ms) belongs to the original domain Noao.edu.
Page size can be reduced by 80.7 kB (24%)
338.6 kB
257.8 kB
In fact, the total size of Noao.edu main page is 338.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 180.0 kB which makes up the majority of the site volume.
Potential reduce by 16.4 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 16.4 kB or 73% of the original size.
Potential reduce by 9.7 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. Noao images are well optimized though.
Potential reduce by 11.3 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 11.3 kB or 13% of the original size.
Potential reduce by 43.3 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. Noao.edu needs all CSS files to be minified and compressed as it can save up to 43.3 kB or 83% of the original size.
Number of requests can be reduced by 9 (27%)
33
24
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Noao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
noao.edu
272 ms
noao-new-tabs.css
147 ms
jquery.min.js
74 ms
jquery.jcarousel.min.js
219 ms
skin.css
219 ms
cse.js
166 ms
ligo-black-holes_top.jpg
483 ms
mosaic-3-stamp.jpg
479 ms
TMT-Forum-2016-stamp.jpg
473 ms
ctio-des-data-stamp.jpg
472 ms
chandra-giant-black-hole-stamp.jpg
471 ms
DECaLS2-viewer-stamp.jpg
461 ms
chandra-massive-galaxy-stamp.jpg
457 ms
fornax-cluster-stamp.jpg
455 ms
eagle-bg.jpg
188 ms
kpno-pic-bg.gif
137 ms
ctio-pic-bg.gif
136 ms
nssc-pic-bg.gif
188 ms
footer-bg.gif
149 ms
noao-logo-90.png
149 ms
aura-logo.gif
183 ms
nsf-logo.gif
183 ms
ga.js
16 ms
jsapi
46 ms
__utm.gif
162 ms
prev-vertical.png
89 ms
next-vertical.png
243 ms
default+en.css
6 ms
default.css
182 ms
default+en.I.js
9 ms
default.css
212 ms
async-ads.js
172 ms
google_custom_search_watermark.gif
161 ms
small-logo.png
17 ms
search_box_icon.png
111 ms
noao.edu SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Noao.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Noao.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.
noao.edu
Open Graph description is not detected on the main page of Noao. 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: