Tools & Wizards About Us
skyglowproject.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

skyglowproject.com

SKYGLOW - Light Pollution Awareness Project in collaboration with International Dark-Sky Association

Page Load Speed

4 sec in total

First Response

97 ms

Resources Loaded

2.4 sec

Page Rendered

1.5 sec

skyglowproject.com screenshot

About Website

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

SKYGLOW by Gavin Heffernan and Harun Mehmedinovic - A book of astrophotography & timelapse video series exploring North America's starscapes and the growing threat of light pollution.

Visit skyglowproject.com

Key Findings

We analyzed Skyglowproject.com page load time and found that the first response time was 97 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

skyglowproject.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.9 s

2/100

10%

Network Requests Diagram

skyglowproject.com

97 ms

BVDSKHTp53Y8_1J1DD7oBsHZcUo9X20FI296HmAGS_vfe1CJXnX1IyvhF2jtFRZLFQSoZAjUwRJawRm8wR9aweb3FAbkFDsRe6MKfAZuiYmkjPu3ifG4fJZmIMMjMkMfH6qJyB9bMg6IJMJ7fbRxmgMMeM96MKG4fJBmIMMjgkMfH6qJ6u9bMg6FJMJ7fbKfmsMMegI6MTMgTLxmCMj.js

90 ms

css2

97 ms

legacy.js

98 ms

modern.js

107 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Skyglowproject.com, 62% (50 requests) were made to Images.squarespace-cdn.com and 16% (13 requests) were made to Assets.squarespace.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Images.squarespace-cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (3%)

Content Size

48.8 MB

After Optimization

47.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Skyglowproject.com main page is 48.8 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. Only a small number of websites need less resources to load. Images take 47.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 284.7 kB

  • Original 325.6 kB
  • After minification 291.4 kB
  • After compression 40.9 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. This page needs HTML code to be minified as it can gain 34.2 kB, which is 11% 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 284.7 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 1.3 MB

  • Original 47.1 MB
  • After minification 45.9 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. SKYGLOW Project images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 5.8 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 1.3 MB

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

-2%

Potential reduce by 122 B

  • Original 7.0 kB
  • After minification 7.0 kB
  • After compression 6.8 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. Skyglowproject.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (21%)

Requests Now

71

After Optimization

56

  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SKYGLOW Project. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

skyglowproject.com

skyglowproject.com

97 ms

BVDSKHTp53Y8_1J1DD7oBsHZcUo9X20FI296HmAGS_vfe1CJXnX1IyvhF2jtFRZLFQSoZAjUwRJawRm8wR9aweb3FAbkFDsRe6MKfAZuiYmkjPu3ifG4fJZmIMMjMkMfH6qJyB9bMg6IJMJ7fbRxmgMMeM96MKG4fJBmIMMjgkMfH6qJ6u9bMg6FJMJ7fbKfmsMMegI6MTMgTLxmCMj.js

BVDSKHTp53Y8_1J1DD7oBsHZcUo9X20FI296HmAGS_vfe1CJXnX1IyvhF2jtFRZLFQSoZAjUwRJawRm8wR9aweb3FAbkFDsRe6MKfAZuiYmkjPu3ifG4fJZmIMMjMkMfH6qJyB9bMg6IJMJ7fbRxmgMMeM96MKG4fJBmIMMjgkMfH6qJ6u9bMg6FJMJ7fbKfmsMMegI6MTMgTLxmCMj.js

90 ms

css2

css2

97 ms

legacy.js

legacy.js

98 ms

modern.js

modern.js

107 ms

extract-css-runtime-d4913a734d993b1809c2-min.en-US.js

extract-css-runtime-d4913a734d993b1809c2-min.en-US.js

98 ms

extract-css-moment-js-vendor-dfbb72c875564c27a00c-min.en-US.js

extract-css-moment-js-vendor-dfbb72c875564c27a00c-min.en-US.js

135 ms

cldr-resource-pack-15305921bb94c505cd92-min.en-US.js

cldr-resource-pack-15305921bb94c505cd92-min.en-US.js

102 ms

common-vendors-stable-0f51b06fac4ba1f7c845-min.en-US.js

common-vendors-stable-0f51b06fac4ba1f7c845-min.en-US.js

128 ms

common-vendors-342fe9ccfa941e80f4be-min.en-US.js

common-vendors-342fe9ccfa941e80f4be-min.en-US.js

129 ms

common-263627b565d1dc44c6bb-min.en-US.js

common-263627b565d1dc44c6bb-min.en-US.js

131 ms

commerce-fb48aa9f58590ca962df-min.en-US.js

commerce-fb48aa9f58590ca962df-min.en-US.js

132 ms

commerce-2af06f7948db5477d8f5-min.en-US.css

commerce-2af06f7948db5477d8f5-min.en-US.css

125 ms

performance-b05b9f2763f2344b3c5b-min.en-US.js

performance-b05b9f2763f2344b3c5b-min.en-US.js

124 ms

site.css

site.css

317 ms

js

js

316 ms

site-bundle.js

site-bundle.js

110 ms

fbevents.js

fbevents.js

503 ms

SKYGLOW+LOGO+2.png

SKYGLOW+LOGO+2.png

303 ms

media-Recovered2.png

media-Recovered2.png

704 ms

asdsafsdf.jpg

asdsafsdf.jpg

708 ms

5ee5f8_6173175b506040608238774df0bca0f4.png_srz_p_945_428_75_22_0.50_1.20_0.00.png

5ee5f8_6173175b506040608238774df0bca0f4.png_srz_p_945_428_75_22_0.50_1.20_0.00.png

695 ms

5ee5f8_50049349a35a49708c1c377afd8a0a59.png_srz_p_945_460_75_22_0.50_1.20_0.00.png

5ee5f8_50049349a35a49708c1c377afd8a0a59.png_srz_p_945_460_75_22_0.50_1.20_0.00.png

711 ms

14715595_10157623998825080_1751363785704312659_o.jpg

14715595_10157623998825080_1751363785704312659_o.jpg

722 ms

5ee5f8_b50147760bb54293a2bb8593afdfbbc4.png_srz_p_94s5_417_75_22_0.50_1.20_0.00.png

5ee5f8_b50147760bb54293a2bb8593afdfbbc4.png_srz_p_94s5_417_75_22_0.50_1.20_0.00.png

705 ms

14711032_10157596951170080_7170614106843252204_o.jpg

14711032_10157596951170080_7170614106843252204_o.jpg

798 ms

5ee5f8_b50147760bb54293a2bb8593afdfbbc4.png_srz_p_94s5_417_f75_22_d0.50_1.20_0.00.png

5ee5f8_b50147760bb54293a2bb8593afdfbbc4.png_srz_p_94s5_417_f75_22_d0.50_1.20_0.00.png

945 ms

image1+%281%29.JPG

image1+%281%29.JPG

709 ms

5ee5f8_b50147760bb54293a2bb8593afdfbbc4.png_srz_p_945_417_75_22_0.50_1.20_0.00.png

5ee5f8_b50147760bb54293a2bb8593afdfbbc4.png_srz_p_945_417_75_22_0.50_1.20_0.00.png

712 ms

11026227_10155593610595080_7868712102087460561_o.jpg

11026227_10155593610595080_7868712102087460561_o.jpg

836 ms

still4.jpg

still4.jpg

714 ms

still6.jpg

still6.jpg

793 ms

13628039_704462379720738_5722984638486413312_n.jpg

13628039_704462379720738_5722984638486413312_n.jpg

803 ms

14448174_165148017274491_3758001181754916864_n.jpg

14448174_165148017274491_3758001181754916864_n.jpg

903 ms

14566602_172507946487098_638981307036073984_n.jpg

14566602_172507946487098_638981307036073984_n.jpg

794 ms

14570773_10157549245520080_4942891569000533382_o.jpg

14570773_10157549245520080_4942891569000533382_o.jpg

795 ms

vlcsnap-2016-10-10-01h08m53s620.png

vlcsnap-2016-10-10-01h08m53s620.png

797 ms

vlcsnap-2016-10-10-15h38m39s934.png

vlcsnap-2016-10-10-15h38m39s934.png

1068 ms

vlcsnap-error057.png

vlcsnap-error057.png

997 ms

vlcsnap-error518.png

vlcsnap-error518.png

1030 ms

WP_20161009_21_30_33_Pro.jpg

WP_20161009_21_30_33_Pro.jpg

1040 ms

image-asset.jpeg

image-asset.jpeg

928 ms

image-asset.jpeg

image-asset.jpeg

930 ms

smokymountains3.jpg

smokymountains3.jpg

1263 ms

toronto-street-lights-1.jpg

toronto-street-lights-1.jpg

950 ms

image-asset.jpeg

image-asset.jpeg

1217 ms

image-asset.jpeg

image-asset.jpeg

1228 ms

Light+Pollution+Visualization.jpg

Light+Pollution+Visualization.jpg

1034 ms

image-asset.jpeg

image-asset.jpeg

1230 ms

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image-asset.jpeg

1241 ms

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image-asset.jpeg

1291 ms

image-asset.jpeg

image-asset.jpeg

1224 ms

image-asset.jpeg

image-asset.jpeg

1498 ms

image-asset.jpeg

image-asset.jpeg

1491 ms

sdk.js

sdk.js

492 ms

play-button.png

play-button.png

213 ms

i

i

276 ms

i

i

353 ms

squarespace-ui-font.svg

squarespace-ui-font.svg

276 ms

i

i

363 ms

image-asset.jpeg

image-asset.jpeg

961 ms

i

i

88 ms

i

i

88 ms

i

i

89 ms

i

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90 ms

i

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198 ms

i

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216 ms

sdk.js

sdk.js

167 ms

image-asset.jpeg

image-asset.jpeg

556 ms

image-asset.jpeg

image-asset.jpeg

746 ms

image-asset.jpeg

image-asset.jpeg

774 ms

TREE-OF-LIFE-FINAL.jpg

TREE-OF-LIFE-FINAL.jpg

848 ms

image-asset.jpeg

image-asset.jpeg

746 ms

LRT_00001.jpg

LRT_00001.jpg

922 ms

shenandoahtree1.jpg

shenandoahtree1.jpg

750 ms

image-asset.jpeg

image-asset.jpeg

970 ms

image-asset.jpeg

image-asset.jpeg

973 ms

SKYGLOW_event_at_The_Annenberg_Photo_Space_in_Los_Angeles.jpg

SKYGLOW_event_at_The_Annenberg_Photo_Space_in_Los_Angeles.jpg

921 ms

Screenshot+2024-06-28+at+2.09.27%E2%80%AFPM.jpg

Screenshot+2024-06-28+at+2.09.27%E2%80%AFPM.jpg

711 ms

image-asset.jpeg

image-asset.jpeg

928 ms

FM6A9131.jpg

FM6A9131.jpg

989 ms

Accessibility Review

skyglowproject.com accessibility score

91

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

skyglowproject.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

skyglowproject.com SEO score

84

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

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

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 Skyglowproject.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 Skyglowproject.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

skyglowproject.com

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