1.8 sec in total
177 ms
769 ms
804 ms
Visit swift-sgra.com now to see the best up-to-date Swift Sgra content and also check out these interesting facts you probably never knew about swift-sgra.com
Swift X-ray monitoring campaign of the Galactic center
Visit swift-sgra.comWe analyzed Swift-sgra.com page load time and found that the first response time was 177 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
swift-sgra.com performance score
177 ms
99 ms
50 ms
9 ms
45 ms
Our browser made a total of 12 requests to load all elements on the main page. We found that 8% of them (1 request) were addressed to the original Swift-sgra.com, 67% (8 requests) were made to Dept.astro.lsa.umich.edu and 17% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (384 ms) relates to the external source Dept.astro.lsa.umich.edu.
Page size can be reduced by 260.1 kB (9%)
2.9 MB
2.7 MB
In fact, the total size of Swift-sgra.com main page is 2.9 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. 15% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 218 B
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 218 B or 39% of the original size.
Potential reduce by 213.5 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. Swift Sgra images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
Potential reduce by 14.5 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. Swift-sgra.com needs all CSS files to be minified and compressed as it can save up to 14.5 kB or 86% of the original size.
We found no issues to fix!
11
11
The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swift Sgra. According to our analytics all requests are already optimized.
swift-sgra.com
177 ms
sgra.shtml
99 ms
astro_sgra.css
50 ms
analytics.js
9 ms
valid-xhtml10
45 ms
Swift_gc_2006_2013.jpg
384 ms
sgra_src_rate.png
196 ms
zds9_x_00092201228_cl_v4.png
123 ms
zds9_x_00092201228_cl_v5.png
75 ms
zds9_x_00092201228_cl_v2.png
123 ms
collect
13 ms
astro-print.css
53 ms
swift-sgra.com accessibility score
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
<frame> or <iframe> elements do not have a title
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
swift-sgra.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
swift-sgra.com SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swift-sgra.com 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 Swift-sgra.com 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.
swift-sgra.com
Open Graph description is not detected on the main page of Swift Sgra. 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: