Tools & Wizards About Us
famousastronomers.org screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

famousastronomers.org

Famous Astronomers | Famous Astronomers

Page Load Speed

1.6 sec in total

First Response

262 ms

Resources Loaded

913 ms

Page Rendered

381 ms

famousastronomers.org screenshot

About Website

Visit famousastronomers.org now to see the best up-to-date Famous Astronomers content for United States and also check out these interesting facts you probably never knew about famousastronomers.org

Throughout history, mankind has wondered what is beyond our own planet. They have gazed up at the stars and made some significant and important discoveries related to the field of astronomy. On our li...

Visit famousastronomers.org

Key Findings

We analyzed Famousastronomers.org page load time and found that the first response time was 262 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

famousastronomers.org performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value2,970 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

famousastronomers.org

262 ms

wp-emoji-release.min.js

69 ms

wptouch-icons.css

94 ms

css

25 ms

pushit.css

74 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 81% of them (34 requests) were addressed to the original Famousastronomers.org, 7% (3 requests) were made to Pagead2.googlesyndication.com and 5% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (352 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 211.0 kB (53%)

Content Size

394.9 kB

After Optimization

183.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Famousastronomers.org main page is 394.9 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. 35% of websites need less resources to load. Javascripts take 211.2 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 26.4 kB

  • Original 41.3 kB
  • After minification 40.6 kB
  • After compression 14.9 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 26.4 kB or 64% of the original size.

Image Optimization

-12%

Potential reduce by 10.7 kB

  • Original 89.7 kB
  • After minification 79.0 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, Famous Astronomers needs image optimization as it can save up to 10.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 132.1 kB

  • Original 211.2 kB
  • After minification 192.9 kB
  • After compression 79.0 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 132.1 kB or 63% of the original size.

CSS Optimization

-79%

Potential reduce by 41.8 kB

  • Original 52.8 kB
  • After minification 41.9 kB
  • After compression 11.0 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. Famousastronomers.org needs all CSS files to be minified and compressed as it can save up to 41.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (30%)

Requests Now

40

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Famous Astronomers. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

famousastronomers.org

famousastronomers.org

262 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

69 ms

wptouch-icons.css

wptouch-icons.css

94 ms

css

css

25 ms

pushit.css

pushit.css

74 ms

style.css

style.css

98 ms

style.css

style.css

93 ms

jquery.js

jquery.js

188 ms

jquery-migrate.min.js

jquery-migrate.min.js

132 ms

show_ads.js

show_ads.js

6 ms

bauhaus.js

bauhaus.js

109 ms

wptouch-3a843ab212b9aa1d90ed54f1d93409ffa3ccdeae.js

wptouch-3a843ab212b9aa1d90ed54f1d93409ffa3ccdeae.js

143 ms

zrt_lookup.html

zrt_lookup.html

40 ms

show_ads_impl.js

show_ads_impl.js

44 ms

Paper.png

Paper.png

129 ms

Copernicus.jpg

Copernicus.jpg

128 ms

stephen-hawking.jpg

stephen-hawking.jpg

126 ms

galileo-galilei.jpg

galileo-galilei.jpg

130 ms

carl-sagan.jpg

carl-sagan.jpg

126 ms

JohannGalle.jpg

JohannGalle.jpg

123 ms

johannes-kepler.jpg

johannes-kepler.jpg

130 ms

Michael_E_Brown_.jpg

Michael_E_Brown_.jpg

134 ms

tycho-brahe.jpg

tycho-brahe.jpg

130 ms

Christiaan_Huygens.jpg

Christiaan_Huygens.jpg

132 ms

Edwin-Hubble.jpg

Edwin-Hubble.jpg

137 ms

thomasgold.jpg

thomasgold.jpg

216 ms

William_Herschel.jpg

William_Herschel.jpg

217 ms

joseph-louis.jpg

joseph-louis.jpg

217 ms

Pierre-Simon_Laplace.jpg

Pierre-Simon_Laplace.jpg

219 ms

edmond-halley.jpg

edmond-halley.jpg

216 ms

george-gamow.jpg

george-gamow.jpg

217 ms

Herschel_Caroline.jpg

Herschel_Caroline.jpg

217 ms

clyde-william.jpg

clyde-william.jpg

219 ms

Annie_Jump_Cannon.jpg

Annie_Jump_Cannon.jpg

220 ms

Charles_Messier.jpg

Charles_Messier.jpg

220 ms

fritz-zwicky.jpg

fritz-zwicky.jpg

220 ms

jocelyn_bell_burnell.jpg

jocelyn_bell_burnell.jpg

252 ms

wptouch-icons.woff

wptouch-icons.woff

271 ms

ads

ads

352 ms

osd.js

osd.js

108 ms

counter.js

counter.js

28 ms

t.php

t.php

81 ms

Accessibility Review

famousastronomers.org accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

famousastronomers.org best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

famousastronomers.org SEO score

79

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Famousastronomers.org 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 Famousastronomers.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.

Social Sharing Optimization

famousastronomers.org

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