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Click here to check amazing Esa content for China. Otherwise, check out these important facts you probably never knew about esa.int
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.Visit esa.int
We analyzed Esa.int page load time and found that the first response time was 311 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
esa.int performance score
Our browser made a total of 96 requests to load all elements on the main page. We found that 97% of them (93 requests) were addressed to the original Esa.int, 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (311 ms) belongs to the original domain Esa.int.
Page size can be reduced by 446.1 kB (25%)
In fact, the total size of Esa.int main page is 1.8 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 1.6 MB which makes up the majority of the site volume.
Potential reduce by 139.6 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 97.1 kB, which is 65% 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 139.6 kB or 93% of the original size.
Potential reduce by 306.0 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, Esa needs image optimization as it can save up to 306.0 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 520 B
Number of requests can be reduced by 29 (32%)
esa.int accessibility score
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.
Buttons do not have an accessible name
Links do not have a discernible name
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
esa.int best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
esa.int SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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/).
Document uses legible font sizes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esa.int 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 Esa.int 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.
Open Graph data is detected on the main page of Esa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: