3.7 sec in total
410 ms
2.9 sec
366 ms
Welcome to astronomicalheritage.net homepage info - get ready to check Astronomical Heritage best content for United States right away, or after learning these important things about astronomicalheritage.net
Visit astronomicalheritage.netWe analyzed Astronomicalheritage.net page load time and found that the first response time was 410 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
astronomicalheritage.net performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value6.8 s
7/100
25%
Value9.4 s
12/100
10%
Value620 ms
48/100
30%
Value0.464
19/100
15%
Value9.2 s
32/100
10%
410 ms
711 ms
187 ms
188 ms
461 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Astronomicalheritage.net, 96% (79 requests) were made to Www2.astronomicalheritage.net and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (742 ms) relates to the external source Www2.astronomicalheritage.net.
Page size can be reduced by 569.3 kB (29%)
2.0 MB
1.4 MB
In fact, the total size of Astronomicalheritage.net 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 39.8 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 39.8 kB or 81% of the original size.
Potential reduce by 182.4 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, Astronomical Heritage needs image optimization as it can save up to 182.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 312.2 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 312.2 kB or 67% of the original size.
Potential reduce by 34.8 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. Astronomicalheritage.net needs all CSS files to be minified and compressed as it can save up to 34.8 kB or 80% of the original size.
Number of requests can be reduced by 24 (30%)
80
56
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astronomical Heritage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
astronomicalheritage.net
410 ms
www2.astronomicalheritage.net
711 ms
nivo-slider.css
187 ms
style.css
188 ms
mootools-core.js
461 ms
core.js
188 ms
caption.js
189 ms
mootools-more.js
635 ms
jquery.min.js
551 ms
jquery.noconflict.js
276 ms
jquery.nivo.slider.js
275 ms
general.css
276 ms
main.css
367 ms
moomenuh.css
368 ms
nav.css
368 ms
astronomicalheritage.net.css
479 ms
UvumiDropdown.js
479 ms
background.jpg
96 ms
AWH_Header.V2.png
97 ms
partnership_with_whc_white.png
95 ms
black-05.png
99 ms
lost-pwd.gif
98 ms
lost-uname.gif
98 ms
create-account.gif
188 ms
finder-screenshot-02f.png
191 ms
loading.gif
188 ms
3001040.jpg
278 ms
3001057.jpg
462 ms
3001082.jpg
370 ms
3001089.jpg
281 ms
3001458.jpg
370 ms
3001468.jpg
282 ms
3001519.jpg
463 ms
3001532.jpg
373 ms
3001555.jpg
375 ms
3001629.jpg
554 ms
3001672.jpg
557 ms
3002009.jpg
466 ms
3002345.jpg
468 ms
iau_wb-100.jpg
553 ms
donate-5.png
556 ms
starlight-75.png
559 ms
twan75.png
562 ms
ancient-skies_banner75.png
646 ms
what-is-ast-her-graphic.png
647 ms
ah-cats3.png
740 ms
awhi-logo150.png
648 ms
chankillo-80.png
651 ms
risco-caido-80.png
651 ms
carte-du-ciel-80-60.png
738 ms
mcclean-80.png
739 ms
pic-du-midi-80.png
741 ms
ga.js
47 ms
tololo-sky-80-60.png
680 ms
__utm.gif
13 ms
star-clock-80-60.png
656 ms
tekapo-church-80-60.png
742 ms
stonehenge-80-60.png
742 ms
mellizo-80-60.png
740 ms
duerrenstein-80-60.png
742 ms
dandara-80-60.png
742 ms
ulugh-beg-80-60.png
655 ms
dengfeng-80-60.png
740 ms
jaipur-80-60.png
738 ms
struve-arc-80-60.png
653 ms
illinois-80-60.png
651 ms
sydney-obsy-80-60.png
650 ms
einstein-tower-80.png
564 ms
mangareva-80-60.png
650 ms
east-alpine-80-60.png
647 ms
baikonur-80-60.png
648 ms
jaipur-310.jpg
563 ms
australia_small.gif
561 ms
austria_small.gif
558 ms
ireland_small.gif
642 ms
italy_small.gif
558 ms
uk_small.gif
560 ms
usa_small.gif
558 ms
doris_vickers-80.png
559 ms
lara_boshoff-80.png
556 ms
partnership_with_whc_black.png
640 ms
AWH_Partners-and-Sponsors.png
557 ms
astronomicalheritage.net 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.
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
astronomicalheritage.net 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
astronomicalheritage.net 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
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 Astronomicalheritage.net 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 Astronomicalheritage.net 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.
astronomicalheritage.net
Open Graph description is not detected on the main page of Astronomical Heritage. 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: