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friendsoftheobservatory.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

friendsoftheobservatory.com

Support - Griffith Observatory - Southern California’s gateway to the cosmos!

Page Load Speed

5.1 sec in total

First Response

490 ms

Resources Loaded

3.3 sec

Page Rendered

1.3 sec

friendsoftheobservatory.com screenshot

About Website

Welcome to friendsoftheobservatory.com homepage info - get ready to check Friendsofthe Observatory best content for United States right away, or after learning these important things about friendsoftheobservatory.com

The mission of the Griffith Observatory Foundation is to support and promote Griffith Observatory as a home for science literacy, education, and public astronomy through resource development and advoc...

Visit friendsoftheobservatory.com

Key Findings

We analyzed Friendsoftheobservatory.com page load time and found that the first response time was 490 ms and then it took 4.6 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

friendsoftheobservatory.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

friendsoftheobservatory.com

490 ms

friendsoftheobservatory.com

150 ms

601 ms

gtm.js

64 ms

sbi-styles.min.css

305 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Friendsoftheobservatory.com, 71% (40 requests) were made to Griffithobservatory.org and 7% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Griffithobservatory.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 327.4 kB (7%)

Content Size

4.5 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Friendsoftheobservatory.com main page is 4.5 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. 55% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 85.3 kB

  • Original 109.0 kB
  • After minification 103.4 kB
  • After compression 23.6 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 85.3 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 185.7 kB

  • Original 4.3 MB
  • After minification 4.1 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. Friendsofthe Observatory images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 56.3 kB

  • Original 112.3 kB
  • After minification 112.3 kB
  • After compression 56.0 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 56.3 kB or 50% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 5 B

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.

Requests Breakdown

Number of requests can be reduced by 27 (57%)

Requests Now

47

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Friendsofthe Observatory. 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 from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

friendsoftheobservatory.com

friendsoftheobservatory.com

490 ms

friendsoftheobservatory.com

friendsoftheobservatory.com

150 ms

601 ms

gtm.js

gtm.js

64 ms

sbi-styles.min.css

sbi-styles.min.css

305 ms

tribe-events-pro-mini-calendar-block.min.css

tribe-events-pro-mini-calendar-block.min.css

242 ms

style.min.css

style.min.css

354 ms

style.css

style.css

321 ms

generic-no-float.min.css

generic-no-float.min.css

254 ms

tablepress-combined.min.css

tablepress-combined.min.css

247 ms

tablepress-responsive.min.css

tablepress-responsive.min.css

458 ms

jquery.min.js

jquery.min.js

45 ms

polyfill.min.js

polyfill.min.js

603 ms

header.js

header.js

396 ms

js

js

94 ms

tribe-events-pro.css

tribe-events-pro.css

556 ms

variables-skeleton.min.css

variables-skeleton.min.css

513 ms

common-skeleton.min.css

common-skeleton.min.css

541 ms

widget-events-list-skeleton.min.css

widget-events-list-skeleton.min.css

724 ms

widget-events-list-skeleton.min.css

widget-events-list-skeleton.min.css

480 ms

footer.js

footer.js

728 ms

tribe-common.min.js

tribe-common.min.js

565 ms

query-string.min.js

query-string.min.js

823 ms

underscore-before.js

underscore-before.js

824 ms

underscore.min.js

underscore.min.js

728 ms

underscore-after.js

underscore-after.js

726 ms

manager.min.js

manager.min.js

847 ms

breakpoints.min.js

breakpoints.min.js

821 ms

5.1.0

5.1.0

42 ms

yyt0kia.css

yyt0kia.css

55 ms

css2

css2

31 ms

p.css

p.css

25 ms

sbi-sprite.png

sbi-sprite.png

198 ms

logo_griffith.svg

logo_griffith.svg

445 ms

Foundation_Hero_Day_v02_noCautionTape-1600x800.jpg

Foundation_Hero_Day_v02_noCautionTape-1600x800.jpg

567 ms

Foundation_Hero_Night_v02_noCautionTape-1600x800.jpg

Foundation_Hero_Night_v02_noCautionTape-1600x800.jpg

489 ms

levi-jones-n0CTq0rroso-unsplash-1000x750.jpg

levi-jones-n0CTq0rroso-unsplash-1000x750.jpg

443 ms

DSC05722-1000x750.jpg

DSC05722-1000x750.jpg

597 ms

jonathan-nguyen-xaQW2TkPJBU-unsplash-scaled-1000x750-1653597736.jpg

jonathan-nguyen-xaQW2TkPJBU-unsplash-scaled-1000x750-1653597736.jpg

490 ms

accent_hori.png

accent_hori.png

680 ms

accent_hori--white.png

accent_hori--white.png

651 ms

IMG_7802-scaled-1200x1200.jpg

IMG_7802-scaled-1200x1200.jpg

743 ms

fifthgrade-scaled-1600x800.jpg

fifthgrade-scaled-1600x800.jpg

943 ms

accent_vert.png

accent_vert.png

1031 ms

accent_vert--white.png

accent_vert--white.png

1067 ms

sol_marketing_sat_010_v001-1200x800.png

sol_marketing_sat_010_v001-1200x800.png

1148 ms

IMG_4919-1200x900.jpeg

IMG_4919-1200x900.jpeg

949 ms

DSC03211-1600x1068.jpg

DSC03211-1600x1068.jpg

1115 ms

cameron-venti-c5GkEd-j5vI-unsplash_noCautionTape-1200x890.jpg

cameron-venti-c5GkEd-j5vI-unsplash_noCautionTape-1200x890.jpg

1419 ms

logo_la.png

logo_la.png

1184 ms

d

d

116 ms

d

d

215 ms

zYXgKVElMYYaJe8bpLHnCwDKtdY.ttf

zYXgKVElMYYaJe8bpLHnCwDKtdY.ttf

244 ms

zYX9KVElMYYaJe8bpLHnCwDKjWr7MIY.ttf

zYX9KVElMYYaJe8bpLHnCwDKjWr7MIY.ttf

250 ms

zYX7KVElMYYaJe8bpLHnCwDKhdTmrINscQ.ttf

zYX7KVElMYYaJe8bpLHnCwDKhdTmrINscQ.ttf

250 ms

zYX-KVElMYYaJe8bpLHnCwDKhdTeEA.ttf

zYX-KVElMYYaJe8bpLHnCwDKhdTeEA.ttf

174 ms

Accessibility Review

friendsoftheobservatory.com accessibility score

69

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

Buttons do not have an accessible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

friendsoftheobservatory.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

friendsoftheobservatory.com SEO score

84

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

Links do not have descriptive text

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

    N/A

  • Encoding

    UTF-8

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

friendsoftheobservatory.com

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