Tools & Wizards About Us
bay.org screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

bay.org

Aquarium of the Bay | Explore, Engage, Experience | San Francisco

Page Load Speed

7.5 sec in total

First Response

1.1 sec

Resources Loaded

5.7 sec

Page Rendered

706 ms

bay.org screenshot

About Website

Click here to check amazing Bay content. Otherwise, check out these important facts you probably never knew about bay.org

Aquarium of the Bay is a highlight of things to do in San Francisco. Located on the historic San Francisco waterfront at PIER 39, the Aquarium is home to more than 20,000 marine animals including slee...

Visit bay.org

Key Findings

We analyzed Bay.org page load time and found that the first response time was 1.1 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bay.org performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value29.3 s

0/100

25%

SI (Speed Index)

Value23.0 s

0/100

10%

TBT (Total Blocking Time)

Value5,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.238

52/100

15%

TTI (Time to Interactive)

Value31.7 s

0/100

10%

Network Requests Diagram

bay.org

1078 ms

www.aquariumofthebay.org

76 ms

gtm.js

71 ms

gtm.js

70 ms

swiper.min.css

337 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Bay.org, 71% (106 requests) were made to Aquariumofthebay.org and 12% (18 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Use.typekit.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 280.7 kB (9%)

Content Size

3.2 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bay.org main page is 3.2 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 173.8 kB

  • Original 210.5 kB
  • After minification 204.8 kB
  • After compression 36.7 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 173.8 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 41.2 kB

  • Original 1.6 MB
  • After minification 1.5 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. Bay images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 37.5 kB

  • Original 955.3 kB
  • After minification 955.1 kB
  • After compression 917.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 28.1 kB

  • Original 425.1 kB
  • After minification 422.7 kB
  • After compression 396.9 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. Bay.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 87 (70%)

Requests Now

125

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bay. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bay.org

bay.org

1078 ms

www.aquariumofthebay.org

www.aquariumofthebay.org

76 ms

gtm.js

gtm.js

71 ms

gtm.js

gtm.js

70 ms

swiper.min.css

swiper.min.css

337 ms

style.css

style.css

355 ms

admin_icon.css

admin_icon.css

36 ms

layerslider.css

layerslider.css

36 ms

css

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48 ms

style.min.css

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37 ms

buttons.min.css

buttons.min.css

364 ms

dashicons.min.css

dashicons.min.css

495 ms

mediaelementplayer-legacy.min.css

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44 ms

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46 ms

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127 ms

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59 ms

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364 ms

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129 ms

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133 ms

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187 ms

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events-manager.min.css

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190 ms

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208 ms

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309 ms

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325 ms

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326 ms

mkhb-column.css

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327 ms

js_composer.min.css

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328 ms

pum-site-styles.css

pum-site-styles.css

620 ms

theme-options-production-1715800171.css

theme-options-production-1715800171.css

350 ms

masterslider.main.css

masterslider.main.css

607 ms

custom.css

custom.css

356 ms

style.css

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368 ms

Defaults.css

Defaults.css

647 ms

webfontloader.js

webfontloader.js

364 ms

greensock.js

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379 ms

jquery.min.js

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382 ms

jquery-migrate.min.js

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391 ms

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399 ms

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37 ms

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111 ms

isotope.min.css

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399 ms

prettyPhoto.min.css

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390 ms

font-awesome.min.css

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391 ms

rs6.css

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404 ms

layerslider.transitions.js

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390 ms

core.min.js

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397 ms

mouse.min.js

mouse.min.js

388 ms

sortable.min.js

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676 ms

datepicker.min.js

datepicker.min.js

335 ms

resizable.min.js

resizable.min.js

711 ms

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76 ms

bat.js

bat.js

160 ms

draggable.min.js

draggable.min.js

687 ms

controlgroup.min.js

controlgroup.min.js

714 ms

checkboxradio.min.js

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710 ms

button.min.js

button.min.js

750 ms

dialog.min.js

dialog.min.js

595 ms

events-manager.min.js

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511 ms

email-decode.min.js

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514 ms

imagesloaded.min.js

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521 ms

masonry.min.js

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525 ms

swiper.min.js

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517 ms

morphext.min.js

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517 ms

welcomebar-front.js

welcomebar-front.js

525 ms

rbtools.min.js

rbtools.min.js

530 ms

rs6.min.js

rs6.min.js

1346 ms

core-scripts.6.2.0.js

core-scripts.6.2.0.js

549 ms

components-full.6.2.0.js

components-full.6.2.0.js

543 ms

smoothscroll.js

smoothscroll.js

552 ms

mkhb-render.js

mkhb-render.js

539 ms

mkhb-column.js

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854 ms

new-tab.js

new-tab.js

533 ms

pum-site-scripts.js

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530 ms

js_composer_front.min.js

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525 ms

imagesloaded.pkgd.min.js

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522 ms

isotope.pkgd.min.js

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520 ms

jquery.prettyPhoto.min.js

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520 ms

forms.js

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512 ms

css

css

18 ms

ggk6rju.js

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1722 ms

css

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59 ms

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89 ms

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67 ms

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67 ms

dummy.png

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372 ms

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68 ms

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372 ms

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68 ms

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1405 ms

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68 ms

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70 ms

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246 ms

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247 ms

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248 ms

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249 ms

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249 ms

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250 ms

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252 ms

aquarium-anniversary-logo-150px.jpg

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719 ms

association-zoos-aquariums-affiliates.png

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718 ms

smithsonian-affiliates-logo.png

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1405 ms

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370 ms

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371 ms

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1406 ms

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1407 ms

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1407 ms

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311 ms

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1160 ms

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20 ms

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71 ms

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189 ms

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1036 ms

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602 ms

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137 ms

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Accessibility Review

bay.org accessibility score

80

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.

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

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

bay.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bay.org 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

    EN

  • Encoding

    UTF-8

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

bay.org

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