Tools & Wizards About Us
sandiegoairandspace.org screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

sandiegoairandspace.org

San Diego Air & Space Museum - Historic Balboa Park, San Diego

Page Load Speed

2 sec in total

First Response

107 ms

Resources Loaded

1.6 sec

Page Rendered

253 ms

sandiegoairandspace.org screenshot

About Website

Welcome to sandiegoairandspace.org homepage info - get ready to check San Diego Air And Space best content for United States right away, or after learning these important things about sandiegoairandspace.org

The San Diego Air & Space Museum in Historical Balboa Park welcomes you to visit. The Official Air & Space Museum and Education Center of California has many attractions for the entire family.

Visit sandiegoairandspace.org

Key Findings

We analyzed Sandiegoairandspace.org page load time and found that the first response time was 107 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sandiegoairandspace.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value20.7 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.215

58/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

sandiegoairandspace.org

107 ms

sandiegoairandspace.org

382 ms

widget.js

170 ms

bootstrap.css

55 ms

formValidation.min.css

106 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 40% of them (40 requests) were addressed to the original Sandiegoairandspace.org, 33% (33 requests) were made to Static.cdninstagram.com and 9% (9 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (702 ms) relates to the external source Google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (22%)

Content Size

6.0 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sandiegoairandspace.org main page is 6.0 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. 75% 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 5.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 52.4 kB

  • Original 64.6 kB
  • After minification 55.0 kB
  • After compression 12.2 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. This page needs HTML code to be minified as it can gain 9.5 kB, which is 15% 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 52.4 kB or 81% of the original size.

Image Optimization

-22%

Potential reduce by 1.3 MB

  • Original 5.8 MB
  • After minification 4.6 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, San Diego Air And Space needs image optimization as it can save up to 1.3 MB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 34.2 kB

  • Original 139.8 kB
  • After minification 139.8 kB
  • After compression 105.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 34.2 kB or 24% of the original size.

CSS Optimization

-9%

Potential reduce by 2.2 kB

  • Original 24.0 kB
  • After minification 24.0 kB
  • After compression 21.7 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. Sandiegoairandspace.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 54 (60%)

Requests Now

90

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of San Diego Air And Space. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sandiegoairandspace.org

sandiegoairandspace.org

107 ms

sandiegoairandspace.org

sandiegoairandspace.org

382 ms

widget.js

widget.js

170 ms

bootstrap.css

bootstrap.css

55 ms

formValidation.min.css

formValidation.min.css

106 ms

jumbotron.css

jumbotron.css

152 ms

calendar.css

calendar.css

151 ms

custom.css

custom.css

152 ms

lightbox.css

lightbox.css

154 ms

media_queries.css

media_queries.css

154 ms

menu.css

menu.css

154 ms

plr3zms.js

plr3zms.js

118 ms

flickr_retriever.js

flickr_retriever.js

200 ms

site-utilities.js

site-utilities.js

201 ms

element.js

element.js

78 ms

js

js

88 ms

embed.js

embed.js

133 ms

jquery.min.js

jquery.min.js

55 ms

bootstrap.min.js

bootstrap.min.js

62 ms

lightbox.js

lightbox.js

311 ms

sdk.js

sdk.js

197 ms

place

place

702 ms

close.png

close.png

170 ms

loading.gif

loading.gif

171 ms

prev.png

prev.png

170 ms

next.png

next.png

170 ms

logo_mobile.png

logo_mobile.png

169 ms

Web_Golf_2024_btn.png

Web_Golf_2024_btn.png

503 ms

SummerCamp2024_Hero_Web_btn.png

SummerCamp2024_Hero_Web_btn.png

466 ms

SDASM-Voted1AviationMuseum.jpg

SDASM-Voted1AviationMuseum.jpg

468 ms

Hero_Web-GraphicsAAB-LearnMore_%281%29.jpg

Hero_Web-GraphicsAAB-LearnMore_%281%29.jpg

370 ms

icon_test.png

icon_test.png

243 ms

museum_ticket.png

museum_ticket.png

242 ms

moonbase_tiny.png

moonbase_tiny.png

262 ms

above_and_beyond_tiny.png

above_and_beyond_tiny.png

261 ms

Avatar-Golf-Nov2023.png

Avatar-Golf-Nov2023.png

368 ms

swap_meet2021_tiny.png

swap_meet2021_tiny.png

368 ms

donate_icon.png

donate_icon.png

371 ms

member_icon.png

member_icon.png

370 ms

event_icon.png

event_icon.png

405 ms

newsletter_tiny.png

newsletter_tiny.png

408 ms

museum_avatar.png

museum_avatar.png

408 ms

newsletter_go.png

newsletter_go.png

456 ms

sdasm_facebook_front.png

sdasm_facebook_front.png

458 ms

sdasm_twitter_front.png

sdasm_twitter_front.png

459 ms

sdasm_instagram_front.png

sdasm_instagram_front.png

507 ms

sdasm_pinterest_front.png

sdasm_pinterest_front.png

509 ms

art_culture_logo.png

art_culture_logo.png

509 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

421 ms

analytics.js

analytics.js

110 ms

widget_app_base_1716562046528.js

widget_app_base_1716562046528.js

77 ms

516 ms

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44 ms

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96 ms

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79 ms

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96 ms

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95 ms

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81 ms

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111 ms

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232 ms

sdk.js

sdk.js

19 ms

70 ms

DEqxXGeeib

DEqxXGeeib

374 ms

collect

collect

23 ms

js

js

38 ms

p.gif

p.gif

37 ms

en-US.json

en-US.json

8 ms

wNmeNfxTx-w.css

wNmeNfxTx-w.css

17 ms

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23 ms

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39 ms

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32 ms

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126 ms

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34 ms

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37 ms

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36 ms

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wFyxcb5a_CA.png

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38 ms

Accessibility Review

sandiegoairandspace.org accessibility score

98

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

sandiegoairandspace.org best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sandiegoairandspace.org SEO score

85

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

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sandiegoairandspace.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 Sandiegoairandspace.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sandiegoairandspace.org

Open Graph description is not detected on the main page of San Diego Air And Space. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: