1.5 sec in total
311 ms
928 ms
234 ms
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.intWe 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
name
value
score
weighting
Value3.2 s
44/100
10%
Value8.0 s
2/100
25%
Value4.8 s
66/100
10%
Value270 ms
82/100
30%
Value0
100/100
15%
Value13.6 s
11/100
10%
311 ms
13 ms
100 ms
98 ms
233 ms
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 445.6 kB (25%)
1.8 MB
1.3 MB
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 48 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.
Number of requests can be reduced by 29 (32%)
91
62
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
esa.int
311 ms
www.esa.int
13 ms
ESA
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9d3688494d0a8dc6802c07dfe11a1bdc_1456135701_all.css
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ed2b43b3c2fc98db4a27ff09bee18fcf_1444843331.js
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slides.esa.jquery.js
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jquery.highlights.slide.js
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jquery.misnav_ez.js
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848199fec86011295a1c19774bf7195f_1354906741.js
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star_rating.css
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jquery.trending.js
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ga.js
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edge_left.png
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sb_bg.gif
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hungary.png
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italy.png
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norway.png
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NotesEsaBol.ttf
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inpage_linkid.js
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selector-native-min.js
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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.
Impact
Issue
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
esa.int 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
esa.int SEO score
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
EN
EN
UTF-8
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.
esa.int
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: