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jj100.org screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

jj100.org

#JJ100 - Celebrating 100 Years of Jane Jacobs - MAS

Page Load Speed

2.3 sec in total

First Response

253 ms

Resources Loaded

1.5 sec

Page Rendered

510 ms

jj100.org screenshot

About Website

Welcome to jj100.org homepage info - get ready to check JJ100 best content right away, or after learning these important things about jj100.org

The Municipal Art Society of New York's "Jane Jacobs at 100" was a celebration in 2016 to honor the legacy of urban activist Jane Jacobs.

Visit jj100.org

Key Findings

We analyzed Jj100.org page load time and found that the first response time was 253 ms and then it took 2 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

jj100.org performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

jj100.org

253 ms

jj100.org

67 ms

www.jj100.org

645 ms

style.min.css

57 ms

taptap.css

69 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 64% of them (34 requests) were addressed to the original Jj100.org, 11% (6 requests) were made to Fonts.gstatic.com and 9% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (645 ms) belongs to the original domain Jj100.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 381.3 kB (18%)

Content Size

2.2 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jj100.org main page is 2.2 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. 80% 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.6 kB

  • Original 57.3 kB
  • After minification 54.2 kB
  • After compression 10.7 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 46.6 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 50.8 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. JJ100 images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 283.9 kB

  • Original 481.6 kB
  • After minification 481.6 kB
  • After compression 197.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 283.9 kB or 59% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 59.8 kB
  • After minification 59.8 kB
  • After compression 59.8 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. Jj100.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (43%)

Requests Now

42

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JJ100. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jj100.org

jj100.org

253 ms

jj100.org

jj100.org

67 ms

www.jj100.org

www.jj100.org

645 ms

style.min.css

style.min.css

57 ms

taptap.css

taptap.css

69 ms

css

css

35 ms

font-awesome.min.css

font-awesome.min.css

75 ms

style.css

style.css

72 ms

css

css

51 ms

font-awesome.min.css

font-awesome.min.css

33 ms

jquery.min.js

jquery.min.js

26 ms

taptap-accordion.js

taptap-accordion.js

73 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

85 ms

comment-reply.min.js

comment-reply.min.js

121 ms

taptap.js

taptap.js

127 ms

plugins.js

plugins.js

122 ms

main.js

main.js

122 ms

pcU9ptlRIGw

pcU9ptlRIGw

91 ms

logo_nav.png

logo_nav.png

77 ms

home-herobgphoto.jpg

home-herobgphoto.jpg

80 ms

logo_large.png

logo_large.png

79 ms

home-photoband1-300x200.jpg

home-photoband1-300x200.jpg

78 ms

jww2015a-300x200.jpg

jww2015a-300x200.jpg

77 ms

home-photoband3-300x200.jpg

home-photoband3-300x200.jpg

76 ms

home-photoband4-300x200.jpg

home-photoband4-300x200.jpg

275 ms

home-eventbgphoto.jpg

home-eventbgphoto.jpg

376 ms

pedestrian_street.jpg

pedestrian_street.jpg

143 ms

janejacobsmedal-logo.png

janejacobsmedal-logo.png

143 ms

social-bgphoto.jpg

social-bgphoto.jpg

274 ms

13167341_1546933868946471_1737604940_n-280x280.jpg

13167341_1546933868946471_1737604940_n-280x280.jpg

275 ms

13188167_130966610642510_165829923_n-280x280.jpg

13188167_130966610642510_165829923_n-280x280.jpg

377 ms

13167186_841019589336336_10183592_n-280x280.jpg

13167186_841019589336336_10183592_n-280x280.jpg

377 ms

13166804_220968908286260_2024843895_n-280x280.jpg

13166804_220968908286260_2024843895_n-280x280.jpg

378 ms

icon-quote.png

icon-quote.png

379 ms

icon-twitter.png

icon-twitter.png

377 ms

Rockefeller-logo.png

Rockefeller-logo.png

378 ms

MASNYC-logo.png

MASNYC-logo.png

379 ms

logo_nav.png

logo_nav.png

378 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

81 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

129 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

129 ms

KFOkCnqEu92Fr1Mu51xIIzc.ttf

KFOkCnqEu92Fr1Mu51xIIzc.ttf

34 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

36 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

309 ms

www-player.css

www-player.css

11 ms

www-embed-player.js

www-embed-player.js

30 ms

base.js

base.js

67 ms

ad_status.js

ad_status.js

154 ms

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

107 ms

embed.js

embed.js

34 ms

id

id

39 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

27 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

28 ms

Accessibility Review

jj100.org accessibility score

90

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

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

Links do not have a discernible name

Best Practices

jj100.org best practices score

83

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

Page has valid source maps

SEO Factors

jj100.org SEO score

93

Search Engine Optimization Advices

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 Jj100.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 Jj100.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

jj100.org

Open Graph data is detected on the main page of JJ100. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: