Tools & Wizards About Us
teenlink.nypl.org screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

teenlink.nypl.org

Teens | The New York Public Library

Page Load Speed

2.5 sec in total

First Response

131 ms

Resources Loaded

2.1 sec

Page Rendered

205 ms

teenlink.nypl.org screenshot

About Website

Welcome to teenlink.nypl.org homepage info - get ready to check Teenlink Nypl best content for United States right away, or after learning these important things about teenlink.nypl.org

Calling all teens! The New York Public Library is here for you today and to help you prepare for the future. Check out digital resources, tech equipment, art materials, and more at our expanded Teen C...

Visit teenlink.nypl.org

Key Findings

We analyzed Teenlink.nypl.org page load time and found that the first response time was 131 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

teenlink.nypl.org performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value470 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.52

15/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

teenlink.nypl.org

131 ms

resources-teens

663 ms

addthis_widget.js

49 ms

css_d8qryTCtbhHI8VcIY_jGuZ3ILrIl1aryQyeO56yMemI.css

29 ms

css_Stqh1BItBWVssb7LPGQPuAwESF4SkyXYmMV2EZxJtfE.css

22 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Teenlink.nypl.org, 30% (25 requests) were made to Cdn-prod.www.aws.nypl.org and 14% (12 requests) were made to Petrol.nypl.org. The less responsive or slowest element that took the longest time to load (663 ms) relates to the external source Nypl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (68%)

Content Size

2.3 MB

After Optimization

735.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teenlink.nypl.org main page is 2.3 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. 65% of websites need less resources to load. HTML takes 997.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 764.2 kB

  • Original 997.6 kB
  • After minification 996.5 kB
  • After compression 233.4 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 764.2 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 20.7 kB

  • Original 207.2 kB
  • After minification 186.5 kB

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. Teenlink Nypl images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 625.2 kB

  • Original 906.6 kB
  • After minification 812.4 kB
  • After compression 281.3 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 625.2 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 156.0 kB

  • Original 189.9 kB
  • After minification 188.4 kB
  • After compression 33.9 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. Teenlink.nypl.org needs all CSS files to be minified and compressed as it can save up to 156.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (53%)

Requests Now

75

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teenlink Nypl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

teenlink.nypl.org

teenlink.nypl.org

131 ms

resources-teens

resources-teens

663 ms

addthis_widget.js

addthis_widget.js

49 ms

css_d8qryTCtbhHI8VcIY_jGuZ3ILrIl1aryQyeO56yMemI.css

css_d8qryTCtbhHI8VcIY_jGuZ3ILrIl1aryQyeO56yMemI.css

29 ms

css_Stqh1BItBWVssb7LPGQPuAwESF4SkyXYmMV2EZxJtfE.css

css_Stqh1BItBWVssb7LPGQPuAwESF4SkyXYmMV2EZxJtfE.css

22 ms

css_7BM_GqMA6ODBLYt9oG7s-WC_Yz5IOxwtxtup71XEoD8.css

css_7BM_GqMA6ODBLYt9oG7s-WC_Yz5IOxwtxtup71XEoD8.css

29 ms

css_YcQ6__isFYe9hVkZGZUviw8mJoVEzasaqpstQaGU6G4.css

css_YcQ6__isFYe9hVkZGZUviw8mJoVEzasaqpstQaGU6G4.css

28 ms

css_SYatk2nucMOLGtxMIjwXzDUThD514HkrFbIXsAgCJSM.css

css_SYatk2nucMOLGtxMIjwXzDUThD514HkrFbIXsAgCJSM.css

26 ms

css_5FOMt3gnXA5zItmI266TZQZVQHMFzBJ_E5U6YS4A5s8.css

css_5FOMt3gnXA5zItmI266TZQZVQHMFzBJ_E5U6YS4A5s8.css

25 ms

css_Z3QKjaO3BW4LUuVrDeUhhoEX1cwd6mChM9XIlZ-aGFw_nypl.css.css

css_Z3QKjaO3BW4LUuVrDeUhhoEX1cwd6mChM9XIlZ-aGFw_nypl.css.css

32 ms

css_9ZcnESwA9Jk2sGj2-eRfoZRmb30YllHnBzYoQ8Yog6s.css

css_9ZcnESwA9Jk2sGj2-eRfoZRmb30YllHnBzYoQ8Yog6s.css

29 ms

js_rEdqwRrk0E03jaACR9M-QM7RCaZ54XBogMrBfx_OtNE.js

js_rEdqwRrk0E03jaACR9M-QM7RCaZ54XBogMrBfx_OtNE.js

30 ms

284748925.js

284748925.js

110 ms

js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js

js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js

29 ms

js_COMsmDyrY9mzVU28X2uGvF4Ba3vd5eTo5xEO7dvCUZM.js

js_COMsmDyrY9mzVU28X2uGvF4Ba3vd5eTo5xEO7dvCUZM.js

27 ms

js_I8yX6RYPZb7AtMcDUA3QKDZqVkvEn35ED11_1i7vVpc.js

js_I8yX6RYPZb7AtMcDUA3QKDZqVkvEn35ED11_1i7vVpc.js

28 ms

js_a9cYVj8S92GCirwvRG5VHTB3p8MLH4qhXty_kPfwopo.js

js_a9cYVj8S92GCirwvRG5VHTB3p8MLH4qhXty_kPfwopo.js

29 ms

js_C-pbDaZzm7wW-8YhpN0v64uovmtYdJRNHYghc2mzKDU.js

js_C-pbDaZzm7wW-8YhpN0v64uovmtYdJRNHYghc2mzKDU.js

35 ms

js_-C-gXI77V3fyHyBiozu_cGGg7vBwDEoIbgloExKwdHM.js

js_-C-gXI77V3fyHyBiozu_cGGg7vBwDEoIbgloExKwdHM.js

29 ms

css

css

25 ms

css

css

34 ms

geo2.js

geo2.js

267 ms

event

event

240 ms

analytics.js

analytics.js

235 ms

NYPL-logo-black-pos.svg

NYPL-logo-black-pos.svg

227 ms

mysq220_0_0.jpg

mysq220_0_0.jpg

295 ms

plusone.js

plusone.js

316 ms

go-arrow.gif

go-arrow.gif

219 ms

podcast_2016_02_02_frank_gwen_SF-9817_0.jpg

podcast_2016_02_02_frank_gwen_SF-9817_0.jpg

199 ms

classessq_0.jpg

classessq_0.jpg

225 ms

techconnectsquare_0.png

techconnectsquare_0.png

224 ms

bartos6_0.jpg

bartos6_0.jpg

243 ms

220x_0.png

220x_0.png

199 ms

nypl.digitalcollections.510d47dc-4296-a3d9-e040-e00a18064a99.001.w_0.jpg

nypl.digitalcollections.510d47dc-4296-a3d9-e040-e00a18064a99.001.w_0.jpg

245 ms

nu%20articles_0.jpg

nu%20articles_0.jpg

298 ms

220th_sm_0IgpcZQXUh6c_0.jpg

220th_sm_0IgpcZQXUh6c_0.jpg

262 ms

20140130-IMG_8453-2858x1905_0_0.jpg

20140130-IMG_8453-2858x1905_0_0.jpg

280 ms

librarycard_sqtop_0.jpg

librarycard_sqtop_0.jpg

264 ms

ereader_0.png

ereader_0.png

296 ms

homework.jpg

homework.jpg

562 ms

teen_nypl.jpg

teen_nypl.jpg

555 ms

stuff_0.jpg

stuff_0.jpg

545 ms

exhibition.jpg

exhibition.jpg

555 ms

outloud.jpg

outloud.jpg

572 ms

braille.jpg

braille.jpg

159 ms

main-logo-lion.png

main-logo-lion.png

190 ms

Lato-Reg-webfont.woff

Lato-Reg-webfont.woff

195 ms

_Incapsula_Resource

_Incapsula_Resource

126 ms

300lo.json

300lo.json

150 ms

all.js&version=v2.0

all.js&version=v2.0

320 ms

widgets.js

widgets.js

192 ms

KievitWeb-Book.woff

KievitWeb-Book.woff

63 ms

KievitWeb-Bold.woff

KievitWeb-Bold.woff

65 ms

nypl-moon.ttf

nypl-moon.ttf

64 ms

NYPL-icomoon.woff

NYPL-icomoon.woff

85 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

63 ms

event

event

53 ms

collect

collect

39 ms

collect

collect

38 ms

_Incapsula_Resource

_Incapsula_Resource

30 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

29 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

44 ms

fastbutton

fastbutton

84 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

140 ms

postmessageRelay

postmessageRelay

73 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

29 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

30 ms

grlryt2bdKIyfMSOhzd1eA.woff

grlryt2bdKIyfMSOhzd1eA.woff

28 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

35 ms

rpc:shindig_random.js

rpc:shindig_random.js

48 ms

181 ms

xd_arbiter.php

xd_arbiter.php

80 ms

xd_arbiter.php

xd_arbiter.php

139 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

51 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

21 ms

nr-100.js

nr-100.js

165 ms

alerts

alerts

98 ms

ping

ping

112 ms

jot

jot

88 ms

f8d2b656b5

f8d2b656b5

52 ms

like.php

like.php

123 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

134 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

146 ms

Accessibility Review

teenlink.nypl.org accessibility score

98

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

teenlink.nypl.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

teenlink.nypl.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teenlink.nypl.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Teenlink.nypl.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

teenlink.nypl.org

Open Graph description is not detected on the main page of Teenlink Nypl. 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: