Tools & Wizards About Us
cosmographica.com screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cosmographica.com

COSMOGRAPHICA The Astronomical Art of Don Dixon

Page Load Speed

4.5 sec in total

First Response

152 ms

Resources Loaded

1.9 sec

Page Rendered

2.5 sec

cosmographica.com screenshot

About Website

Click here to check amazing COSMOGRAPHICA content for United States. Otherwise, check out these important facts you probably never knew about cosmographica.com

Discover the beauty of space through Don Dixon's stunning astronomical art. Don Dixon's paintings of space exploration, planets, galaxies, earth origins and the wonders of the universe

Visit cosmographica.com

Key Findings

We analyzed Cosmographica.com page load time and found that the first response time was 152 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

cosmographica.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

cosmographica.com

152 ms

cosmographica.com

246 ms

www.cosmographica.com

277 ms

index.html

72 ms

common.css

147 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 91% of them (40 requests) were addressed to the original Cosmographica.com, 2% (1 request) were made to Ajax.googleapis.com and 2% (1 request) were made to Statcounter.com. The less responsive or slowest element that took the longest time to load (793 ms) belongs to the original domain Cosmographica.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.7 kB (5%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cosmographica.com main page is 1.7 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. 30% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 14.3 kB

  • Original 20.8 kB
  • After minification 20.2 kB
  • After compression 6.4 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 14.3 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 26.7 kB

  • Original 1.5 MB
  • After minification 1.5 MB

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. COSMOGRAPHICA images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 20.6 kB

  • Original 127.0 kB
  • After minification 127.0 kB
  • After compression 106.3 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 20.6 kB or 16% of the original size.

CSS Optimization

-50%

Potential reduce by 21.0 kB

  • Original 41.8 kB
  • After minification 41.8 kB
  • After compression 20.8 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. Cosmographica.com needs all CSS files to be minified and compressed as it can save up to 21.0 kB or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

39

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COSMOGRAPHICA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cosmographica.com

cosmographica.com

152 ms

cosmographica.com

cosmographica.com

246 ms

www.cosmographica.com

www.cosmographica.com

277 ms

index.html

index.html

72 ms

common.css

common.css

147 ms

oslo-art-show-astronaut-lr-topaz-enhance.jpg

oslo-art-show-astronaut-lr-topaz-enhance.jpg

329 ms

Black%20Holes%2C%20Exotic%20Stars_276-Heart-Of-The-Quasar.jpg

Black%20Holes%2C%20Exotic%20Stars_276-Heart-Of-The-Quasar.jpg

332 ms

131-Black-Hole.jpg

131-Black-Hole.jpg

292 ms

092-White-Dwarf-Star.jpg

092-White-Dwarf-Star.jpg

293 ms

130-Contact-Binary.jpg

130-Contact-Binary.jpg

293 ms

Exoplanets%20and%20Star%20Travel_479-Red-Dwarf-Seen-From-Desert-Super-Earth.jpg

Exoplanets%20and%20Star%20Travel_479-Red-Dwarf-Seen-From-Desert-Super-Earth.jpg

218 ms

077-Interstellar-Probe.jpg

077-Interstellar-Probe.jpg

292 ms

081-Binary-Sun.jpg

081-Binary-Sun.jpg

332 ms

008-Antares-Five.jpg

008-Antares-Five.jpg

357 ms

Science%20Fiction%20and%20Futurism_239-NumberOfBeast.jpg

Science%20Fiction%20and%20Futurism_239-NumberOfBeast.jpg

407 ms

173-Quasar-Xmas.jpg

173-Quasar-Xmas.jpg

363 ms

214-Tower-Of-Glass.jpg

214-Tower-Of-Glass.jpg

396 ms

108-Rhiannon.jpg

108-Rhiannon.jpg

399 ms

Solar%20System_Saturn_147-Mimas.jpg

Solar%20System_Saturn_147-Mimas.jpg

393 ms

337-Mercury-Caloris-Basin.jpg

337-Mercury-Caloris-Basin.jpg

490 ms

505-solar-system-planets-to-scale.jpg

505-solar-system-planets-to-scale.jpg

451 ms

181-Solar-Corona.jpg

181-Solar-Corona.jpg

468 ms

Stars%20Galaxies%20and%20Cosmology_465-milky-way-bar-diagram.jpg

Stars%20Galaxies%20and%20Cosmology_465-milky-way-bar-diagram.jpg

464 ms

170-Our-Galaxy.jpg

170-Our-Galaxy.jpg

466 ms

326-Quasar-B.jpg

326-Quasar-B.jpg

472 ms

102-Globular-Cluster.jpg

102-Globular-Cluster.jpg

524 ms

Landscapes_513-New-Moon-in-the-Old-Moons-Arms.jpg

Landscapes_513-New-Moon-in-the-Old-Moons-Arms.jpg

629 ms

jquery.min.js

jquery.min.js

21 ms

all.min.js

all.min.js

680 ms

counter.js

counter.js

43 ms

299-Greek-Ruins.jpg

299-Greek-Ruins.jpg

637 ms

304-Sailors-Delight.jpg

304-Sailors-Delight.jpg

639 ms

279-Annular-Eclipse.jpg

279-Annular-Eclipse.jpg

634 ms

Technology_300-Shuttle-Montage.jpg

Technology_300-Shuttle-Montage.jpg

604 ms

110-Tacking-Sunward.jpg

110-Tacking-Sunward.jpg

689 ms

101-Solar-Sailor.jpg

101-Solar-Sailor.jpg

711 ms

109-Project-Cyclops.jpg

109-Project-Cyclops.jpg

735 ms

don_dixon_portrait.jpg

don_dixon_portrait.jpg

713 ms

folderimage.jpg

folderimage.jpg

793 ms

expand.png

expand.png

584 ms

skinicon-thin.ttf

skinicon-thin.ttf

523 ms

load.js

load.js

440 ms

t.php

t.php

77 ms

skinicon-thin.svg

skinicon-thin.svg

141 ms

Accessibility Review

cosmographica.com accessibility score

92

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

button, link, and menuitem elements do not have accessible names.

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

Links do not have a discernible name

Best Practices

cosmographica.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cosmographica.com SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

cosmographica.com

Open Graph data is detected on the main page of COSMOGRAPHICA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: