Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

spacefacts.info

SPACEFACTS - Discover the world of astronauts and cosmonauts.

Page Load Speed

2.2 sec in total

First Response

245 ms

Resources Loaded

1.7 sec

Page Rendered

230 ms

spacefacts.info screenshot

About Website

Click here to check amazing SPACEFACTS content. Otherwise, check out these important facts you probably never knew about spacefacts.info

SPACEFACTS - This website offers manned spaceflight data and portraits. Available are biographies (including portraits) of astronauts and cosmonauts coming from the whole world, manned spaceflight mis...

Visit spacefacts.info

Key Findings

We analyzed Spacefacts.info page load time and found that the first response time was 245 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

spacefacts.info performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

spacefacts.info

245 ms

1.js

180 ms

e_new.gif

105 ms

e_new1.gif

202 ms

e_astronauts.gif

206 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 91% of them (73 requests) were addressed to the original Spacefacts.info, 5% (4 requests) were made to Rf.revolvermaps.com and 4% (3 requests) were made to Jf.revolvermaps.com. The less responsive or slowest element that took the longest time to load (745 ms) belongs to the original domain Spacefacts.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.5 kB (12%)

Content Size

167.5 kB

After Optimization

148.0 kB

In fact, the total size of Spacefacts.info main page is 167.5 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. 20% of websites need less resources to load. Images take 142.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 18.2 kB

  • Original 22.1 kB
  • After minification 21.7 kB
  • After compression 3.9 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. 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 18.2 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 102 B

  • Original 142.9 kB
  • After minification 142.8 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. SPACEFACTS images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 1.2 kB

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 1.2 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 1.2 kB or 49% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

79

After Optimization

79

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SPACEFACTS. According to our analytics all requests are already optimized.

Accessibility Review

spacefacts.info accessibility score

63

Accessibility Issues

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

spacefacts.info best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

spacefacts.info SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spacefacts.info can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Spacefacts.info main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of SPACEFACTS. 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: