1.9 sec in total
281 ms
667 ms
953 ms
Click here to check amazing Astronomy content for Russia. Otherwise, check out these important facts you probably never knew about astronomy.fm
AFM*Radio is a 24-hour internet radio stream produced by Astronomy.FM. Content includes astronomy-, space-, and general-science audio and multimedia content. Programming comes from both AFM*Radio sky...
Visit astronomy.fmWe analyzed Astronomy.fm page load time and found that the first response time was 281 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.
astronomy.fm performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value3.8 s
56/100
25%
Value3.3 s
91/100
10%
Value300 ms
79/100
30%
Value0.131
81/100
15%
Value3.6 s
91/100
10%
281 ms
34 ms
36 ms
37 ms
39 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 91% of them (63 requests) were addressed to the original Astronomy.fm, 3% (2 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (281 ms) belongs to the original domain Astronomy.fm.
Page size can be reduced by 392.7 kB (35%)
1.1 MB
722.8 kB
In fact, the total size of Astronomy.fm main page is 1.1 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 634.5 kB which makes up the majority of the site volume.
Potential reduce by 81.0 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 81.0 kB or 85% of the original size.
Potential reduce by 22.1 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. Astronomy images are well optimized though.
Potential reduce by 259.0 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 259.0 kB or 75% of the original size.
Potential reduce by 30.6 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. Astronomy.fm needs all CSS files to be minified and compressed as it can save up to 30.6 kB or 80% of the original size.
Number of requests can be reduced by 29 (43%)
68
39
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astronomy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
astronomy.fm
281 ms
style.css
34 ms
style.css
36 ms
ttsp.all.css
37 ms
colorbox.css
39 ms
jquery.min.js
102 ms
scripts.js
40 ms
jshashtable.js
39 ms
refresh_jquery.js
38 ms
external-tracking.min.js
38 ms
jquery-ui.min.js
77 ms
jquery.cookie.min.js
44 ms
jquery.ttsp.js
46 ms
player.js
44 ms
buttons.js
49 ms
swfobject.js
47 ms
ss_popup.js
38 ms
subscribe_sidebar.css
42 ms
ajax.js
42 ms
external.js
42 ms
jquery.aautoscroll.2.4.js
42 ms
jquery.ui.core.min.js
41 ms
jquery.ui.widget.min.js
50 ms
jquery.ui.tabs.min.js
49 ms
jquery.colorbox.1.3.32.js
46 ms
ttsp.topPanel.css
33 ms
ttsp.bottomPanel.css
35 ms
ttsp.leftPanel.css
35 ms
ttsp.rightPanel.css
35 ms
ttsp.popUp.css
36 ms
ga.js
164 ms
afm_bg_bottom.jpg
161 ms
reader.php
106 ms
getAllAppDefault.esi
82 ms
AFM_astronomyfmbanner.png
48 ms
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Don-Machholz-Rodney-Austin-and-Doug-Berger-at-Ribbonwood-Halleywatch-site-NZ-1986-300x211.jpg
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Rodney-with-24inch-Optical-Craftsmen-Reflector-at-Mt-John-University-Observatory-circa-September-1971-300x211.jpg
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AFM_soc_media.png
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36 ms
astronomy.fm accessibility score
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
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
astronomy.fm 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
Issues were logged in the Issues panel in Chrome Devtools
astronomy.fm SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Astronomy.fm 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 Astronomy.fm 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.
astronomy.fm
Open Graph description is not detected on the main page of Astronomy. 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: