Tools & Wizards About Us
nysci.org screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

nysci.org

New York Hall of Science | NYSCI

Page Load Speed

2 sec in total

First Response

49 ms

Resources Loaded

1.4 sec

Page Rendered

574 ms

nysci.org screenshot

About Website

Visit nysci.org now to see the best up-to-date NYSCI content for United States and also check out these interesting facts you probably never knew about nysci.org

New Yorkers have a way of never being satisfied with the status quo. For us, science is about re-thinking, re-inventing, questioning everything and chasing the impossible.

Visit nysci.org

Key Findings

We analyzed Nysci.org page load time and found that the first response time was 49 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

nysci.org performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value940 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

nysci.org

49 ms

nysci.org

435 ms

font.css

20 ms

bootstrap.min.css

93 ms

select2.min.css

87 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 56% of them (45 requests) were addressed to the original Nysci.org, 6% (5 requests) were made to Cdn.jsdelivr.net and 5% (4 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (435 ms) belongs to the original domain Nysci.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 285.1 kB (13%)

Content Size

2.1 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nysci.org main page is 2.1 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 58.9 kB

  • Original 70.1 kB
  • After minification 47.2 kB
  • After compression 11.2 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 22.9 kB, which is 33% 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 58.9 kB or 84% of the original size.

Image Optimization

-11%

Potential reduce by 192.7 kB

  • Original 1.7 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. Obviously, NYSCI needs image optimization as it can save up to 192.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 26.0 kB

  • Original 292.8 kB
  • After minification 292.1 kB
  • After compression 266.7 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

-17%

Potential reduce by 7.5 kB

  • Original 44.6 kB
  • After minification 44.6 kB
  • After compression 37.1 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. Nysci.org needs all CSS files to be minified and compressed as it can save up to 7.5 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (74%)

Requests Now

72

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NYSCI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nysci.org

nysci.org

49 ms

nysci.org

nysci.org

435 ms

font.css

font.css

20 ms

bootstrap.min.css

bootstrap.min.css

93 ms

select2.min.css

select2.min.css

87 ms

swiper-bundle.min.css

swiper-bundle.min.css

109 ms

classic-10_7.css

classic-10_7.css

78 ms

nav.css

nav.css

65 ms

style_desktop_v1.css

style_desktop_v1.css

113 ms

style_tablet_v1.css

style_tablet_v1.css

107 ms

style_landscape_v1.css

style_landscape_v1.css

84 ms

style_portrait_v1.css

style_portrait_v1.css

109 ms

nysciallcss.css

nysciallcss.css

91 ms

pixel.js

pixel.js

105 ms

accordion.css

accordion.css

77 ms

style.css

style.css

103 ms

jquery-3.7.1.js

jquery-3.7.1.js

102 ms

popper.min.js

popper.min.js

85 ms

bootstrap.min.js

bootstrap.min.js

108 ms

select2.min.js

select2.min.js

105 ms

swiper-bundle.min.js

swiper-bundle.min.js

116 ms

nav.js

nav.js

107 ms

slider_v1.js

slider_v1.js

111 ms

lazysizes.js

lazysizes.js

109 ms

accordion.js

accordion.js

111 ms

page_tab.js

page_tab.js

113 ms

smooth_scroll.js

smooth_scroll.js

112 ms

style.js

style.js

113 ms

filter.js

filter.js

115 ms

element.js

element.js

108 ms

script.js

script.js

116 ms

swiper-bundle.min.css

swiper-bundle.min.css

16 ms

swiper-bundle.min.js

swiper-bundle.min.js

86 ms

67075bbb204beec4408f59cff.js

67075bbb204beec4408f59cff.js

202 ms

gtm.js

gtm.js

184 ms

twitter.svg

twitter.svg

95 ms

facebook.svg

facebook.svg

34 ms

Instagram.svg

Instagram.svg

38 ms

YouTube.svg

YouTube.svg

34 ms

langGlobalWhite.svg

langGlobalWhite.svg

36 ms

search-icon.png

search-icon.png

31 ms

Logo.png

Logo.png

31 ms

dropdown-icon.png

dropdown-icon.png

38 ms

stickySearch.png

stickySearch.png

45 ms

slider_bg_image.jpg

slider_bg_image.jpg

46 ms

53675647572_7756f01d2c_c.jpg

53675647572_7756f01d2c_c.jpg

46 ms

52837977111_6576ecdce7_k_2024-05-06-173744_pbjn.jpg

52837977111_6576ecdce7_k_2024-05-06-173744_pbjn.jpg

120 ms

Bg.-Object.svg

Bg.-Object.svg

115 ms

newsLetter.png

newsLetter.png

117 ms

footer_bg.jpg

footer_bg.jpg

117 ms

Twitter_2021-06-04-070640_pkor.svg

Twitter_2021-06-04-070640_pkor.svg

115 ms

Facebook_2021-06-04-070653_wbdq.svg

Facebook_2021-06-04-070653_wbdq.svg

112 ms

Instagram_2021-06-04-070711_aedv.svg

Instagram_2021-06-04-070711_aedv.svg

123 ms

YouTube_2021-06-04-071008_iwkq.svg

YouTube_2021-06-04-071008_iwkq.svg

125 ms

footer-logo.svg

footer-logo.svg

121 ms

Poppins-Regular.ttf

Poppins-Regular.ttf

115 ms

widget.js

widget.js

264 ms

Montserrat-Bold.ttf

Montserrat-Bold.ttf

55 ms

Poppins-Medium.ttf

Poppins-Medium.ttf

55 ms

Montserrat-ExtraBold.ttf

Montserrat-ExtraBold.ttf

55 ms

Montserrat-Black.ttf

Montserrat-Black.ttf

55 ms

js

js

96 ms

roundtrip.js

roundtrip.js

231 ms

analytics.js

analytics.js

207 ms

fbevents.js

fbevents.js

231 ms

quant.js

quant.js

231 ms

9b8f5a6925ed42f884b82ab3ecedce18.js.ubembed.com

9b8f5a6925ed42f884b82ab3ecedce18.js.ubembed.com

272 ms

ping.min.js

ping.min.js

263 ms

707125.js

707125.js

224 ms

widget_app_base_1715342638247.js

widget_app_base_1715342638247.js

146 ms

collect

collect

58 ms

rules-p-zvkCv9TSF96qL.js

rules-p-zvkCv9TSF96qL.js

43 ms

collect

collect

109 ms

bundle.js

bundle.js

73 ms

collectedforms.js

collectedforms.js

120 ms

banner.js

banner.js

69 ms

707125.js

707125.js

153 ms

pixel;r=519928156;rf=0;a=p-zvkCv9TSF96qL;url=https%3A%2F%2Fnysci.org%2F;uht=2;fpan=1;fpa=P0-97829685-1715598826811;pbc=;ns=0;ce=1;qjs=1;qv=b70d35e8-20231208114759;cm=;gdpr=0;ref=;d=nysci.org;dst=0;et=1715598826857;tzo=-180;ogl=locale.en-US%2Curl.%2F%2Csite_name.nysci%2Ctype.website%2Ctitle.New%20York%20Hall%20of%20Science%2Cdescription.New%20Yorkers%20have%20a%20way%20of%20never%20being%20satisfied%20with%20the%20status%20quo%252E%20For%20us%252C%20sci%2Cimage.%2F%2Fnysci%252Eorg%2Fmedia%2FHome%252Ejpg%2Cimage%3Atype.image%2Fjpg%2Cimage%3Awidth.1200%2Cimage%3Aheight.1200%2Cimage.%2F%2Fnysci%252Eorg%2Fmedia%2FHome%252Ejpg%2Cimage%3Atype.image%2Fpng%2Cimage%3Awidth.1200%2Cimage%3Aheight.620%2Cimage.%2F%2Fnysci%252Eorg%2Fmedia%2FHome%252Ejpg%2Cimage%3Atype.image%2Fpng%2Cimage%3Awidth.1200%2Cimage%3Aheight.620;ses=c5acc98e-c847-4f2d-ab52-90271a980352;mdl=

pixel;r=519928156;rf=0;a=p-zvkCv9TSF96qL;url=https%3A%2F%2Fnysci.org%2F;uht=2;fpan=1;fpa=P0-97829685-1715598826811;pbc=;ns=0;ce=1;qjs=1;qv=b70d35e8-20231208114759;cm=;gdpr=0;ref=;d=nysci.org;dst=0;et=1715598826857;tzo=-180;ogl=locale.en-US%2Curl.%2F%2Csite_name.nysci%2Ctype.website%2Ctitle.New%20York%20Hall%20of%20Science%2Cdescription.New%20Yorkers%20have%20a%20way%20of%20never%20being%20satisfied%20with%20the%20status%20quo%252E%20For%20us%252C%20sci%2Cimage.%2F%2Fnysci%252Eorg%2Fmedia%2FHome%252Ejpg%2Cimage%3Atype.image%2Fjpg%2Cimage%3Awidth.1200%2Cimage%3Aheight.1200%2Cimage.%2F%2Fnysci%252Eorg%2Fmedia%2FHome%252Ejpg%2Cimage%3Atype.image%2Fpng%2Cimage%3Awidth.1200%2Cimage%3Aheight.620%2Cimage.%2F%2Fnysci%252Eorg%2Fmedia%2FHome%252Ejpg%2Cimage%3Atype.image%2Fpng%2Cimage%3Awidth.1200%2Cimage%3Aheight.620;ses=c5acc98e-c847-4f2d-ab52-90271a980352;mdl=

43 ms

G55W3V4ZAVGKNIGZJC7ZU5

G55W3V4ZAVGKNIGZJC7ZU5

27 ms

ga-audiences

ga-audiences

28 ms

JCCF7YMDFVE7XI4PS5W2YA.js

JCCF7YMDFVE7XI4PS5W2YA.js

5 ms

Accessibility Review

nysci.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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

nysci.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

nysci.org SEO score

77

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

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

    UTF-8

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

nysci.org

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