4.8 sec in total
310 ms
3.1 sec
1.4 sec
Click here to check amazing Friendsofthe Observatory content. Otherwise, check out these important facts you probably never knew about friendsoftheobservatory.org
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.orgWe analyzed Friendsoftheobservatory.org page load time and found that the first response time was 310 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
friendsoftheobservatory.org performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value14.1 s
0/100
25%
Value6.8 s
35/100
10%
Value930 ms
30/100
30%
Value0.15
76/100
15%
Value13.3 s
12/100
10%
310 ms
271 ms
142 ms
64 ms
251 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.org, 71% (40 requests) were made to Griffithobservatory.org and 5% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Griffithobservatory.org.
Page size can be reduced by 272.8 kB (6%)
4.4 MB
4.2 MB
In fact, the total size of Friendsoftheobservatory.org main page is 4.4 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.
Potential reduce by 86.9 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 86.9 kB or 78% of the original size.
Potential reduce by 185.7 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. Friendsofthe Observatory images are well optimized though.
Potential reduce by 212 B
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.
Potential reduce by 0 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.
Number of requests can be reduced by 29 (58%)
50
21
The browser has sent 50 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 16 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
friendsoftheobservatory.org
310 ms
friendsoftheobservatory.org
271 ms
142 ms
gtm.js
64 ms
sbi-styles.min.css
251 ms
tribe-events-pro-mini-calendar-block.min.css
332 ms
style.min.css
421 ms
style.css
429 ms
generic-no-float.min.css
368 ms
tablepress-combined.min.css
343 ms
tablepress-responsive.min.css
494 ms
jquery.min.js
37 ms
polyfill.min.js
45 ms
header.js
668 ms
js
76 ms
tribe-events-pro.css
633 ms
variables-skeleton.min.css
579 ms
common-skeleton.min.css
763 ms
widget-events-list-skeleton.min.css
664 ms
widget-events-list-skeleton.min.css
766 ms
footer.js
835 ms
tribe-common.min.js
961 ms
query-string.js
962 ms
underscore-before.js
961 ms
underscore.min.js
984 ms
underscore-after.js
969 ms
manager.js
1042 ms
breakpoints.js
1164 ms
5.1.0
44 ms
35 ms
32 ms
33 ms
yyt0kia.css
43 ms
css2
33 ms
p.css
31 ms
js
87 ms
sbi-sprite.png
558 ms
logo_griffith.svg
559 ms
Foundation_Hero_Day_v02_noCautionTape-1600x800.jpg
675 ms
Foundation_Hero_Night_v02_noCautionTape-1600x800.jpg
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jonathan-nguyen-xaQW2TkPJBU-unsplash-scaled-1000x750-1653597736.jpg
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IMG_7802-scaled-1200x1200.jpg
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accent_vert--white.png
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1399 ms
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cameron-venti-c5GkEd-j5vI-unsplash_noCautionTape-1200x890.jpg
1664 ms
logo_la.png
1727 ms
d
69 ms
d
68 ms
friendsoftheobservatory.org accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
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
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
friendsoftheobservatory.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
friendsoftheobservatory.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Friendsoftheobservatory.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 Friendsoftheobservatory.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.
friendsoftheobservatory.org
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: