542 ms in total
62 ms
290 ms
190 ms
Click here to check amazing Astro Physics content for United States. Otherwise, check out these important facts you probably never knew about astro-physics.com
Astro-Physics has been producing state-of-the-art telescopes, mountings and accessories since 1975.
Visit astro-physics.comWe analyzed Astro-physics.com page load time and found that the first response time was 62 ms and then it took 480 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
astro-physics.com performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value9.1 s
1/100
25%
Value4.8 s
67/100
10%
Value830 ms
35/100
30%
Value0.25
49/100
15%
Value6.9 s
54/100
10%
62 ms
136 ms
20 ms
111 ms
19 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that all of those requests were addressed to Astro-physics.com and no external sources were called. The less responsive or slowest element that took the longest time to load (136 ms) belongs to the original domain Astro-physics.com.
Page size can be reduced by 144.7 kB (17%)
855.4 kB
710.7 kB
In fact, the total size of Astro-physics.com main page is 855.4 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. 40% of websites need less resources to load. Images take 838.2 kB which makes up the majority of the site volume.
Potential reduce by 535 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 535 B or 51% of the original size.
Potential reduce by 129.9 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. Obviously, Astro Physics needs image optimization as it can save up to 129.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 14.3 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. Astro-physics.com needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 88% of the original size.
We found no issues to fix!
66
66
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astro Physics. According to our analytics all requests are already optimized.
astro-physics.com
62 ms
menu.html
136 ms
titlepg.htm
20 ms
arialstyle.css
111 ms
arialstyle.css
19 ms
menustyle.css
24 ms
menu_01.jpg
24 ms
menu_02.jpg
28 ms
menu_03.jpg
28 ms
menu_04.jpg
28 ms
menu_05.jpg
29 ms
menu_06.jpg
22 ms
menu_07.jpg
22 ms
menu_08.jpg
29 ms
menu_09.jpg
30 ms
menu_10.jpg
32 ms
menu_11.jpg
33 ms
aplogo-color-web2.jpg
51 ms
Title-Page-Banner.jpg
59 ms
titlepg_160edf.jpg
40 ms
titlepg_06.jpg
40 ms
titlepg_03.gif
31 ms
160ff.jpg
30 ms
titlepg_04.gif
40 ms
titlepg_07.gif
40 ms
Herschel_Prism.jpg
50 ms
Kend_Solar.jpg
50 ms
eagle6.jpg
58 ms
Graphic1.gif
51 ms
menu_12.jpg
21 ms
menu_13.jpg
22 ms
menu_14.jpg
25 ms
menu_15.jpg
25 ms
menu_16.jpg
28 ms
RckfrdILcsk.jpg
28 ms
menuover_01.jpg
12 ms
menuover_03.jpg
11 ms
menuover_04.jpg
14 ms
menuover_05.jpg
14 ms
menuover_06.jpg
13 ms
menuover_07.jpg
14 ms
menuover_08.jpg
19 ms
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20 ms
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23 ms
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21 ms
menuover_12.jpg
20 ms
menuover_13.jpg
22 ms
menuover_14.jpg
39 ms
menuover_15.jpg
39 ms
menuover_16.jpg
39 ms
menuover_02.jpg
40 ms
titlepg_160edf_over.jpg
12 ms
titlepg_03-over.gif
12 ms
titlepg_04-over.gif
14 ms
titlepg_06-over.jpg
13 ms
titlepg_over_07.gif
13 ms
titlepg_055_over.gif
14 ms
titlepg_bpmarkvs_over.jpg
21 ms
titlepg_over_03.gif
20 ms
PS15V10AC-over.jpg
14 ms
eagle6_over.jpg
17 ms
tray08_over.jpg
15 ms
160tcc-over.jpg
15 ms
1200no-notif-banner-over.jpg
21 ms
m1no-notif-banner-over.jpg
16 ms
AstroSolar.jpg
20 ms
Herschel-Case.jpg
20 ms
astro-physics.com accessibility score
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-hidden="true"] elements contain focusable descendents
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
astro-physics.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
astro-physics.com 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Astro-physics.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 Astro-physics.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.
astro-physics.com
Open Graph description is not detected on the main page of Astro Physics. 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: