10.9 sec in total
808 ms
8.4 sec
1.7 sec
Click here to check amazing 100 Exhibit IAU content for United States. Otherwise, check out these important facts you probably never knew about 100exhibit.iau.org
Open-source travelling exhibition celebrating a century of astronomical discoveries. Launched at the International Astronomical Union GA in Vienna 20.08.2018.
Visit 100exhibit.iau.orgWe analyzed 100exhibit.iau.org page load time and found that the first response time was 808 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
100exhibit.iau.org performance score
name
value
score
weighting
Value3.7 s
29/100
10%
Value4.5 s
36/100
25%
Value13.5 s
2/100
10%
Value710 ms
42/100
30%
Value0
100/100
15%
Value7.8 s
44/100
10%
808 ms
55 ms
230 ms
234 ms
38 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 83% of them (76 requests) were addressed to the original 100exhibit.iau.org, 5% (5 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain 100exhibit.iau.org.
Page size can be reduced by 145.4 kB (1%)
14.6 MB
14.5 MB
In fact, the total size of 100exhibit.iau.org main page is 14.6 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. 65% of websites need less resources to load. Images take 14.1 MB which makes up the majority of the site volume.
Potential reduce by 142.8 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 142.8 kB or 86% of the original size.
Potential reduce by 14 B
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. 100 Exhibit IAU images are well optimized though.
Potential reduce by 984 B
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 1.6 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. 100exhibit.iau.org has all CSS files already compressed.
Number of requests can be reduced by 25 (31%)
80
55
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 100 Exhibit IAU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
100exhibit.iau.org
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100exhibit.iau.org accessibility score
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
100exhibit.iau.org 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
100exhibit.iau.org 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 100exhibit.iau.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 100exhibit.iau.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.
100exhibit.iau.org
Open Graph description is not detected on the main page of 100 Exhibit IAU. 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: