Tools & Wizards About Us
butterflies.org screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

butterflies.org

Butterfly Pavilion

Page Load Speed

4 sec in total

First Response

61 ms

Resources Loaded

952 ms

Page Rendered

3 sec

butterflies.org screenshot

About Website

Click here to check amazing Butterflies content for United States. Otherwise, check out these important facts you probably never knew about butterflies.org

Visit Butterfly Pavilion's home page to find all kinds of information from visiting our facility to educational material about invertebrates, we have it all!

Visit butterflies.org

Key Findings

We analyzed Butterflies.org page load time and found that the first response time was 61 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

butterflies.org performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value1,100 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

butterflies.org

61 ms

butterflies.org

103 ms

master.min.css

35 ms

studio-contact-forms-public.min.css

56 ms

theme.css

78 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 71% of them (53 requests) were addressed to the original Butterflies.org, 5% (4 requests) were made to Secure.gravatar.com and 3% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (549 ms) belongs to the original domain Butterflies.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 934.4 kB (5%)

Content Size

19.8 MB

After Optimization

18.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Butterflies.org main page is 19.8 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 19.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 61.9 kB

  • Original 76.1 kB
  • After minification 65.3 kB
  • After compression 14.1 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 10.8 kB, which is 14% 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 61.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 833.6 kB

  • Original 19.3 MB
  • After minification 18.5 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. Butterflies images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 37.7 kB

  • Original 364.2 kB
  • After minification 364.2 kB
  • After compression 326.4 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

-3%

Potential reduce by 1.1 kB

  • Original 33.7 kB
  • After minification 33.5 kB
  • After compression 32.6 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. Butterflies.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (26%)

Requests Now

69

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Butterflies. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

butterflies.org

butterflies.org

61 ms

butterflies.org

butterflies.org

103 ms

master.min.css

master.min.css

35 ms

studio-contact-forms-public.min.css

studio-contact-forms-public.min.css

56 ms

theme.css

theme.css

78 ms

master.min.js

master.min.js

132 ms

Popup.js

Popup.js

73 ms

PopupConfig.js

PopupConfig.js

66 ms

PopupBuilder.js

PopupBuilder.js

91 ms

Bootstrap.js

Bootstrap.js

80 ms

transition.min.css

transition.min.css

38 ms

studio-contact-forms-public.min.js

studio-contact-forms-public.min.js

84 ms

api.js

api.js

44 ms

element.js

element.js

61 ms

transition.min.js

transition.min.js

41 ms

css

css

41 ms

gtm.js

gtm.js

168 ms

fbevents.js

fbevents.js

121 ms

b155e0386a556d946f7564c5a77ecfde

b155e0386a556d946f7564c5a77ecfde

152 ms

gximage2

gximage2

292 ms

recaptcha__en.js

recaptcha__en.js

241 ms

times-solid-white.svg

times-solid-white.svg

140 ms

bp-logo-ko.svg

bp-logo-ko.svg

139 ms

bp-logo-nav.svg

bp-logo-nav.svg

137 ms

times-solid.svg

times-solid.svg

141 ms

Artboard-1-copy-e1712070158302-1600x0-c-default.png

Artboard-1-copy-e1712070158302-1600x0-c-default.png

424 ms

BP_PollinatorPalooza_VideoCard-e1682011219467-1600x0-c-default.png

BP_PollinatorPalooza_VideoCard-e1682011219467-1600x0-c-default.png

286 ms

Summer-camp-background-1303-%C3%97-922-px-e1678903485400-1600x0-c-default.png

Summer-camp-background-1303-%C3%97-922-px-e1678903485400-1600x0-c-default.png

204 ms

CMS_web-header-background_1920-1-1600x0-c-default.png

CMS_web-header-background_1920-1-1600x0-c-default.png

426 ms

Group-Of-Children-Having-Outdoor-Birthday-Party-496707697_1258x838-1600x0-c-default.jpeg

Group-Of-Children-Having-Outdoor-Birthday-Party-496707697_1258x838-1600x0-c-default.jpeg

283 ms

exhibits-bg.jpg

exhibits-bg.jpg

286 ms

DSC07364-HDR-scaled.jpg

DSC07364-HDR-scaled.jpg

427 ms

iStock-474042660-e1573165325897.jpg

iStock-474042660-e1573165325897.jpg

421 ms

IMG_9898-1-scaled.jpg

IMG_9898-1-scaled.jpg

428 ms

shutterstock_1092099011-e1549054375643.jpg

shutterstock_1092099011-e1549054375643.jpg

424 ms

Rosie-near-burrow-scaled.jpg

Rosie-near-burrow-scaled.jpg

429 ms

rO127NIE-scaled.jpeg

rO127NIE-scaled.jpeg

430 ms

IMG_2071-scaled-e1673389598797.jpg

IMG_2071-scaled-e1673389598797.jpg

431 ms

bee-hotel-.png

bee-hotel-.png

434 ms

iStock-517852738-scaled.jpg

iStock-517852738-scaled.jpg

432 ms

tr-45.png

tr-45.png

457 ms

iStock-1460466573.jpg

iStock-1460466573.jpg

465 ms

IMG_2813_VSCO-scaled.jpg

IMG_2813_VSCO-scaled.jpg

451 ms

iStock-1401731818-scaled.jpg

iStock-1401731818-scaled.jpg

472 ms

iStock-1320057324-scaled.jpg

iStock-1320057324-scaled.jpg

479 ms

97-bg-e1550263697992.png

97-bg-e1550263697992.png

464 ms

ninety-seven.svg

ninety-seven.svg

506 ms

map1.jpg

map1.jpg

513 ms

bp-logo-vert.svg

bp-logo-vert.svg

489 ms

PhotoArk_SOLID_GROUP.png

PhotoArk_SOLID_GROUP.png

491 ms

facebook-ft.png

facebook-ft.png

492 ms

instagram-ft.png

instagram-ft.png

500 ms

twitter-ft.png

twitter-ft.png

514 ms

linkedin.png

linkedin.png

514 ms

tiktok.png

tiktok.png

514 ms

AZA_KO.svg

AZA_KO.svg

521 ms

4663b9263135e99e28773074376277f5

4663b9263135e99e28773074376277f5

200 ms

8f26008b19778de57d27a66c9db0b94c

8f26008b19778de57d27a66c9db0b94c

211 ms

08968637d349f84c6dbe3b3fb03ade99

08968637d349f84c6dbe3b3fb03ade99

212 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

205 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

218 ms

scfd.png

scfd.png

549 ms

butterflies.woff

butterflies.woff

391 ms

slick.woff

slick.woff

399 ms

museums-for-all.png

museums-for-all.png

415 ms

WONDER24.png

WONDER24.png

435 ms

js

js

95 ms

analytics.js

analytics.js

90 ms

up_loader.1.1.0.js

up_loader.1.1.0.js

39 ms

hero-slide-12.png

hero-slide-12.png

400 ms

BP_Birthday-Party_-Website-Banner728X600-01-e1707415922554.png

BP_Birthday-Party_-Website-Banner728X600-01-e1707415922554.png

284 ms

ajax-loader.gif

ajax-loader.gif

269 ms

collect

collect

153 ms

collect

collect

20 ms

ga-audiences

ga-audiences

89 ms

Accessibility Review

butterflies.org accessibility score

73

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

butterflies.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

butterflies.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

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 Butterflies.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 Butterflies.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

butterflies.org

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