1.2 sec in total
318 ms
642 ms
208 ms
Click here to check amazing SDO Gsfc Nasa content for United States. Otherwise, check out these important facts you probably never knew about sdo.gsfc.nasa.gov
SDO is designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously.
Visit sdo.gsfc.nasa.govWe analyzed Sdo.gsfc.nasa.gov page load time and found that the first response time was 318 ms and then it took 850 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.
sdo.gsfc.nasa.gov performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value7.5 s
4/100
25%
Value5.1 s
62/100
10%
Value250 ms
84/100
30%
Value0.213
58/100
15%
Value8.9 s
34/100
10%
318 ms
71 ms
38 ms
48 ms
35 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 88% of them (38 requests) were addressed to the original Sdo.gsfc.nasa.gov, 5% (2 requests) were made to Feedburner.google.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (318 ms) belongs to the original domain Sdo.gsfc.nasa.gov.
Page size can be reduced by 258.7 kB (13%)
2.0 MB
1.7 MB
In fact, the total size of Sdo.gsfc.nasa.gov 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. 40% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 22.9 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. This page needs HTML code to be minified as it can gain 7.0 kB, which is 26% 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 22.9 kB or 84% of the original size.
Potential reduce by 47.7 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. SDO Gsfc Nasa images are well optimized though.
Potential reduce by 63.2 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 63.2 kB or 65% of the original size.
Potential reduce by 124.8 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. Sdo.gsfc.nasa.gov needs all CSS files to be minified and compressed as it can save up to 124.8 kB or 86% of the original size.
Number of requests can be reduced by 4 (10%)
41
37
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SDO Gsfc 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 5 to 1 for JavaScripts and as a result speed up the page load time.
sdo.gsfc.nasa.gov
318 ms
sdo.gsfc.nasa.gov
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bootstrap.css
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bootstrap-theme.css
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SDO_Logo_glassy_sm.png
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jquery-1.10.2.min.js
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sdo.gsfc.nasa.gov accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 IDs are not unique
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
sdo.gsfc.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
sdo.gsfc.nasa.gov 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
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 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 Sdo.gsfc.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 Sdo.gsfc.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.
sdo.gsfc.nasa.gov
Open Graph description is not detected on the main page of SDO Gsfc 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: