864 ms in total
71 ms
357 ms
436 ms
Visit aavso.org now to see the best up-to-date Aavso content for United States and also check out these interesting facts you probably never knew about aavso.org
Visit aavso.orgWe analyzed Aavso.org page load time and found that the first response time was 71 ms and then it took 793 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.
aavso.org performance score
name
value
score
weighting
Value2.2 s
78/100
10%
Value10.4 s
0/100
25%
Value4.7 s
69/100
10%
Value840 ms
34/100
30%
Value0.301
39/100
15%
Value10.0 s
26/100
10%
71 ms
102 ms
68 ms
7 ms
21 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 98% of them (40 requests) were addressed to the original Aavso.org, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (102 ms) belongs to the original domain Aavso.org.
Page size can be reduced by 153.3 kB (18%)
870.9 kB
717.6 kB
In fact, the total size of Aavso.org main page is 870.9 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. 65% of websites need less resources to load. Images take 659.5 kB which makes up the majority of the site volume.
Potential reduce by 42.9 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 6.2 kB, which is 11% 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 42.9 kB or 79% of the original size.
Potential reduce by 103.8 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. Obviously, Aavso needs image optimization as it can save up to 103.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 6.3 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. This website has mostly compressed JavaScripts.
Potential reduce by 266 B
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. Aavso.org has all CSS files already compressed.
Number of requests can be reduced by 4 (11%)
36
32
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aavso. 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.
aavso.org
71 ms
www.aavso.org
102 ms
js
68 ms
css_jzf9Xe6rbY68D69mzMlR9ZNIzy6nthNoMhy7BBh0CY8.css
7 ms
css_eNcjGv9BtjdAvy7wlpj2iOdrFvadhIh_U0CCYp2uTXs.css
21 ms
js_QHqjxhGPGgZFwOfW92tmrVpssmC1sbO0zDG4TgLmaEI.js
12 ms
js_HBQIGbkkcGAWNfgvVYN8pv0gmjfwEbmsV4rHCbzULqw.js
54 ms
eu_cookie_compliance.js
53 ms
js_lF2ezl9eFGHDc5VzLNiNdgakfXYcsayIxktnhFzSWSI.js
17 ms
aavso%20logo_0.png
20 ms
login_icon.png
21 ms
cart.png
19 ms
old%20aavso%20logo.png
18 ms
vsx_home_logo.png
19 ms
arrow.png
49 ms
jaavso.png
48 ms
research_button_0.png
47 ms
if_telescope_2120159.png
47 ms
obs_section_button_small.jpg
48 ms
education.png
45 ms
paper2.png
50 ms
donate-icon.png
48 ms
astropy_project_logo.png
49 ms
DiffractionLimited_22Logo.jpg
49 ms
Chroma.png
50 ms
tmf_logo.jpg
51 ms
unistellar_partnerslider_logo.png
50 ms
boyce-astro.jpg
53 ms
Horizontal%20Banner%202019%20Large%20Enh%20Blue.png
51 ms
Sky%26Telescope_logo.png
56 ms
nsf_slider.jpg
51 ms
nasa_slider.jpg
52 ms
email-png-4.png
52 ms
social-facebook-circle-512.png
52 ms
280168240_476677224233917_5197881565420741180_n.png
53 ms
App-Twitter-icon.png
53 ms
yt_icon_mono_light.png
54 ms
aavso%20square%20logo_1.png
55 ms
Kollektif.ttf
53 ms
Kollektif-Bold.ttf
55 ms
glyphicons-halflings-regular.woff
8 ms
aavso.org 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 input fields do not have accessible names
[role]s do not have all required [aria-*] attributes
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
aavso.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
aavso.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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 Aavso.org 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 Aavso.org 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.
aavso.org
Open Graph description is not detected on the main page of Aavso. 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: