Tools & Wizards About Us
adoptastar.org screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

adoptastar.org

Nonprofit Adopt a Star - Supports Astronomy Research

Page Load Speed

2.4 sec in total

First Response

160 ms

Resources Loaded

1.6 sec

Page Rendered

628 ms

adoptastar.org screenshot

About Website

Visit adoptastar.org now to see the best up-to-date Adopt A Star content and also check out these interesting facts you probably never knew about adoptastar.org

Options start at $10, download your certificate in minutes. Since 2008, this program supports research by a team of astronomers using NASA space telescopes.

Visit adoptastar.org

Key Findings

We analyzed Adoptastar.org page load time and found that the first response time was 160 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

adoptastar.org performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value670 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.138

79/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

adoptastar.org

160 ms

adoptastar.org

345 ms

7ff2e.css

158 ms

c2b04.js

314 ms

63a69.js

238 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 91% of them (43 requests) were addressed to the original Adoptastar.org, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (481 ms) belongs to the original domain Adoptastar.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.7 kB (3%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adoptastar.org main page is 2.1 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. 50% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 63.5 kB

  • Original 78.7 kB
  • After minification 77.1 kB
  • After compression 15.2 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 63.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 1.8 MB
  • After minification 1.8 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. Adopt A Star images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 59 B

  • Original 144.7 kB
  • After minification 144.7 kB
  • After compression 144.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 4 B

  • Original 56.0 kB
  • After minification 56.0 kB
  • After compression 56.0 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. Adoptastar.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (30%)

Requests Now

44

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adopt A Star. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

adoptastar.org

adoptastar.org

160 ms

adoptastar.org

adoptastar.org

345 ms

7ff2e.css

7ff2e.css

158 ms

c2b04.js

c2b04.js

314 ms

63a69.js

63a69.js

238 ms

css2

css2

51 ms

paypal-insights.sandbox.min.js

paypal-insights.sandbox.min.js

35 ms

d5e73.css

d5e73.css

229 ms

dbb59.js

dbb59.js

264 ms

76d15.js

76d15.js

262 ms

f2855.js

f2855.js

264 ms

a9cda.js

a9cda.js

390 ms

e6deb.js

e6deb.js

390 ms

2e098.js

2e098.js

454 ms

b63ba.js

b63ba.js

402 ms

1487a.js

1487a.js

402 ms

b4041.js

b4041.js

401 ms

1615d.js

1615d.js

401 ms

gtm.js

gtm.js

150 ms

milky-way.jpg

milky-way.jpg

384 ms

stars1.png

stars1.png

265 ms

stars2.png

stars2.png

263 ms

stars3.png

stars3.png

263 ms

adopt-a-star-logo.png

adopt-a-star-logo.png

263 ms

divider-starburst.png

divider-starburst.png

264 ms

facebook.png

facebook.png

266 ms

twitter.png

twitter.png

267 ms

instagram.png

instagram.png

265 ms

youtube.png

youtube.png

266 ms

chev-up.svg

chev-up.svg

324 ms

kJExBuYY6AAuhiXUxG19__AwpOY.ttf

kJExBuYY6AAuhiXUxG19__AwpOY.ttf

182 ms

Kepler186f-concept.png

Kepler186f-concept.png

310 ms

adopt-a-target-star-640x360.jpg

adopt-a-target-star-640x360.jpg

157 ms

adopt-a-double-star-640x360.jpg

adopt-a-double-star-640x360.jpg

173 ms

adopt-a-confirmed-planet-host-640x360.jpg

adopt-a-confirmed-planet-host-640x360.jpg

159 ms

adopt-a-bright-star-640x360.jpg

adopt-a-bright-star-640x360.jpg

122 ms

Sky-and-Telescope-These-Stars-Need-You.jpg

Sky-and-Telescope-These-Stars-Need-You.jpg

279 ms

Space-Adopt-a-Star.jpg

Space-Adopt-a-Star.jpg

280 ms

New-Scientist-Stars-put-up-for-adoption.jpg

New-Scientist-Stars-put-up-for-adoption.jpg

310 ms

WIRED-magazine-Stellar-Symphony.jpg

WIRED-magazine-Stellar-Symphony.jpg

318 ms

Slate-Tiniest-Exoplanet.jpg

Slate-Tiniest-Exoplanet.jpg

325 ms

Universe-Today-with-logo-Oldest-Planetary-System.jpg

Universe-Today-with-logo-Oldest-Planetary-System.jpg

359 ms

Forbes-Smallest-Planet.jpg

Forbes-Smallest-Planet.jpg

360 ms

Dating-News-Out-of-This-World.jpg

Dating-News-Out-of-This-World.jpg

386 ms

Travis-Metcalfe-500x500.jpg

Travis-Metcalfe-500x500.jpg

401 ms

Certificate-of-Adoption-target-star.jpg

Certificate-of-Adoption-target-star.jpg

478 ms

Adopted-star-in-Google-Sky.jpg

Adopted-star-in-Google-Sky.jpg

481 ms

Accessibility Review

adoptastar.org accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

adoptastar.org 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

adoptastar.org SEO score

93

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

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 Adoptastar.org 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 Adoptastar.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

adoptastar.org

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