1.2 sec in total
316 ms
550 ms
285 ms
Visit sunearthday.nasa.gov now to see the best up-to-date Sun Earth Day Nasa content for United States and also check out these interesting facts you probably never knew about sunearthday.nasa.gov
Sun-Earth Days: New Discoveries One Mission at a Time
Visit sunearthday.nasa.govWe analyzed Sunearthday.nasa.gov page load time and found that the first response time was 316 ms and then it took 835 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
sunearthday.nasa.gov performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value6.9 s
6/100
25%
Value3.3 s
90/100
10%
Value50 ms
100/100
30%
Value0.063
97/100
15%
Value5.6 s
70/100
10%
316 ms
20 ms
11 ms
20 ms
19 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 92% of them (24 requests) were addressed to the original Sunearthday.nasa.gov, 4% (1 request) were made to Ajax.googleapis.com and 4% (1 request) were made to Static.ak.fbcdn.net. The less responsive or slowest element that took the longest time to load (316 ms) belongs to the original domain Sunearthday.nasa.gov.
Page size can be reduced by 100.4 kB (25%)
403.1 kB
302.7 kB
In fact, the total size of Sunearthday.nasa.gov main page is 403.1 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. 25% of websites need less resources to load. Images take 248.3 kB which makes up the majority of the site volume.
Potential reduce by 16.3 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 3.7 kB, which is 17% 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 16.3 kB or 76% of the original size.
Potential reduce by 2.8 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. Sun Earth Day Nasa images are well optimized though.
Potential reduce by 36.9 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 36.9 kB or 46% of the original size.
Potential reduce by 44.5 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. Sunearthday.nasa.gov needs all CSS files to be minified and compressed as it can save up to 44.5 kB or 83% of the original size.
Number of requests can be reduced by 10 (42%)
24
14
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sun Earth Day Nasa. 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 5 to 1 for CSS and as a result speed up the page load time.
sunearthday.nasa.gov
316 ms
index.php
20 ms
reset.css
11 ms
960.css
20 ms
jquery.fancybox-1.3.1.css
19 ms
style.css
37 ms
jshowoff.css
18 ms
nasa_header_logo1.gif
16 ms
home_feature_28.jpg
44 ms
jquery.min.js
89 ms
jquery.easing-1.3.pack.js
41 ms
jquery.mousewheel-3.0.2.pack.js
41 ms
jquery.fancybox-1.3.1.js
41 ms
FB.Share
42 ms
jquery.jshowoff.js
31 ms
custom.js
50 ms
banner7.jpg
35 ms
rsaquo_gray.gif
26 ms
bg_search.jpg
25 ms
main_nav_bg.gif
26 ms
paper2.jpg
24 ms
maincap2.jpg
17 ms
facebook1.gif
26 ms
twitter1.gif
29 ms
youtube1.gif
28 ms
nasa_foot_nasa1.gif
27 ms
sunearthday.nasa.gov 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
Links do not have a discernible name
sunearthday.nasa.gov 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
Page has valid source maps
sunearthday.nasa.gov SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sunearthday.nasa.gov 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 Sunearthday.nasa.gov 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.
sunearthday.nasa.gov
Open Graph description is not detected on the main page of Sun Earth Day Nasa. 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: