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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

  • 0

    SEO

pages.calacademy.org

California Academy of Sciences in San Francisco, CA

Page Load Speed

2.8 sec in total

First Response

314 ms

Resources Loaded

1.7 sec

Page Rendered

782 ms

pages.calacademy.org screenshot

About Website

Visit pages.calacademy.org now to see the best up-to-date Pages CA L Academy content for United States and also check out these interesting facts you probably never knew about pages.calacademy.org

The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.

Visit pages.calacademy.org

Key Findings

We analyzed Pages.calacademy.org page load time and found that the first response time was 314 ms and then it took 2.5 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

pages.calacademy.org performance score

0

Network Requests Diagram

pages.calacademy.org

314 ms

www.calacademy.org

21 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

9 ms

css_jAXty0MfZl4YW5sOEYGtNnkkIscZV3bEVGX2aYPFTKs.css

11 ms

css_iHoTy3g__AQTQMrjE_dNszfXptPS3zusbL6TajXbZmA.css

73 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Pages.calacademy.org, 51% (61 requests) were made to Calacademy.org and 8% (10 requests) were made to . The less responsive or slowest element that took the longest time to load (364 ms) relates to the external source Analytics.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (34%)

Content Size

5.6 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pages.calacademy.org main page is 5.6 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 260.8 kB

  • Original 332.6 kB
  • After minification 323.6 kB
  • After compression 71.8 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 260.8 kB or 78% of the original size.

Image Optimization

-14%

Potential reduce by 523.7 kB

  • Original 3.7 MB
  • After minification 3.2 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. Obviously, Pages CA L Academy needs image optimization as it can save up to 523.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 336.6 kB

  • Original 570.8 kB
  • After minification 498.8 kB
  • After compression 234.3 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 336.6 kB or 59% of the original size.

CSS Optimization

-76%

Potential reduce by 766.3 kB

  • Original 1.0 MB
  • After minification 997.0 kB
  • After compression 244.5 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. Pages.calacademy.org needs all CSS files to be minified and compressed as it can save up to 766.3 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (43%)

Requests Now

100

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pages CA L Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pages.calacademy.org

pages.calacademy.org

314 ms

www.calacademy.org

www.calacademy.org

21 ms

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9 ms

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11 ms

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css_iHoTy3g__AQTQMrjE_dNszfXptPS3zusbL6TajXbZmA.css

73 ms

fonts.css

fonts.css

262 ms

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13 ms

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14 ms

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18 ms

jquery.min.js

jquery.min.js

82 ms

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15 ms

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80 ms

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81 ms

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75 ms

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8 ms

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100 ms

main.js

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347 ms

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26 ms

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23 ms

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43 ms

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90 ms

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89 ms

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SEO Factors

pages.calacademy.org SEO score

0

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 Pages.calacademy.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 Pages.calacademy.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

pages.calacademy.org

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