Tools & Wizards About Us
lemanmanhattan.org screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

lemanmanhattan.org

Léman Manhattan | Private School in Lower Manhattan, New York

Page Load Speed

7.4 sec in total

First Response

1.6 sec

Resources Loaded

5.2 sec

Page Rendered

597 ms

lemanmanhattan.org screenshot

About Website

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

Private preparatory school in lower Manhattan, New York educating children from 16-24 months, and PreK to 12th grade.

Visit lemanmanhattan.org

Key Findings

We analyzed Lemanmanhattan.org page load time and found that the first response time was 1.6 sec and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

lemanmanhattan.org performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.384

27/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

www.lemanmanhattan.org

1636 ms

modernizr.js

373 ms

normalize.css

401 ms

foundation.min.css

745 ms

fullcalendar.min.css

420 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 34% of them (39 requests) were addressed to the original Lemanmanhattan.org, 35% (40 requests) were made to Tk-schools.s3.amazonaws.com and 3% (4 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Lemanmanhattan.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (12%)

Content Size

9.3 MB

After Optimization

8.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lemanmanhattan.org main page is 9.3 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. 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 7.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 117.0 kB

  • Original 149.1 kB
  • After minification 131.0 kB
  • After compression 32.1 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 18.1 kB, which is 12% 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 117.0 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 96.3 kB

  • Original 7.7 MB
  • After minification 7.7 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. Leman Manhattan images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 634.9 kB

  • Original 1.1 MB
  • After minification 973.6 kB
  • After compression 415.5 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 634.9 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 259.7 kB

  • Original 308.5 kB
  • After minification 276.6 kB
  • After compression 48.9 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. Lemanmanhattan.org needs all CSS files to be minified and compressed as it can save up to 259.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (48%)

Requests Now

108

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leman Manhattan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.lemanmanhattan.org

www.lemanmanhattan.org

1636 ms

modernizr.js

modernizr.js

373 ms

normalize.css

normalize.css

401 ms

foundation.min.css

foundation.min.css

745 ms

fullcalendar.min.css

fullcalendar.min.css

420 ms

font-awesome.min.css

font-awesome.min.css

5 ms

slick.css

slick.css

458 ms

animate.min.css

animate.min.css

667 ms

jquery.datetimepicker.css

jquery.datetimepicker.css

514 ms

layout-common.css

layout-common.css

660 ms

styles-leman-manhattan.css

styles-leman-manhattan.css

591 ms

element.js

element.js

33 ms

signup-form.css

signup-form.css

121 ms

signup-form.js

signup-form.js

142 ms

jquery.js

jquery.js

786 ms

jquery.serialize-json.js

jquery.serialize-json.js

515 ms

jquery.visible.min.js

jquery.visible.min.js

596 ms

jquery.cookie.js

jquery.cookie.js

607 ms

handlebars-v3.0.0.js

handlebars-v3.0.0.js

1032 ms

foundation.min.js

foundation.min.js

927 ms

wow.min.js

wow.min.js

664 ms

slick.min.js

slick.min.js

799 ms

jquery.timeago.js

jquery.timeago.js

751 ms

addthis_widget.js

addthis_widget.js

12 ms

jquery.datetimepicker.js

jquery.datetimepicker.js

847 ms

custom_js_helpers.js

custom_js_helpers.js

828 ms

functions.js

functions.js

888 ms

zoho_form.js

zoho_form.js

887 ms

adword_campaign_ids.js

adword_campaign_ids.js

908 ms

custom_form.js

custom_form.js

935 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

1096 ms

staff_directory_js.js

staff_directory_js.js

990 ms

leman-manhattan_logo.png

leman-manhattan_logo.png

676 ms

css

css

25 ms

fiddler_icon.jpg

fiddler_icon.jpg

252 ms

Early_Childhood_Face.jpg

Early_Childhood_Face.jpg

739 ms

Lower_School_Face_copy.jpg

Lower_School_Face_copy.jpg

738 ms

Middle_School_Face.jpg

Middle_School_Face.jpg

750 ms

High_School_Face.jpg

High_School_Face.jpg

749 ms

request-info-tab.png

request-info-tab.png

738 ms

LemanManhattanLogoNA02.png

LemanManhattanLogoNA02.png

747 ms

ib-logo.png

ib-logo.png

750 ms

Leman_Manhattan_Shield.png

Leman_Manhattan_Shield.png

751 ms

Ava_presents_lunch.jpg

Ava_presents_lunch.jpg

419 ms

shield.jpg

shield.jpg

256 ms

cropped_advisory_board_scholars.jpg

cropped_advisory_board_scholars.jpg

420 ms

Screen_Shot_2016-02-19_at_12.42.58_PM.png

Screen_Shot_2016-02-19_at_12.42.58_PM.png

748 ms

Screen_Shot_2016-02-18_at_8.25.35_PM.png

Screen_Shot_2016-02-18_at_8.25.35_PM.png

749 ms

ModelUN.jpg

ModelUN.jpg

746 ms

Screen_Shot_2016-01-28_at_8.54.11_PM.png

Screen_Shot_2016-01-28_at_8.54.11_PM.png

746 ms

SuperPottyBowl.jpg

SuperPottyBowl.jpg

749 ms

Screen_Shot_2016-01-21_at_4.08.20_PM.png

Screen_Shot_2016-01-21_at_4.08.20_PM.png

753 ms

Screen_Shot_2016-01-08_at_9.37.16_AM.png

Screen_Shot_2016-01-08_at_9.37.16_AM.png

751 ms

oven-roasted-vegetables.jpg

oven-roasted-vegetables.jpg

750 ms

20151209_154728.jpg

20151209_154728.jpg

751 ms

Screen_Shot_2015-12-18_at_12.53.51_PM.png

Screen_Shot_2015-12-18_at_12.53.51_PM.png

834 ms

2015_holiday_card.jpeg

2015_holiday_card.jpeg

749 ms

20151204_094131.jpg

20151204_094131.jpg

832 ms

Pool.jpg

Pool.jpg

905 ms

PK3_music_Resized.jpg

PK3_music_Resized.jpg

933 ms

Screen_Shot_2015-12-10_at_12.28.15_PM.png

Screen_Shot_2015-12-10_at_12.28.15_PM.png

1000 ms

MF_12.15_cover_resized.jpg

MF_12.15_cover_resized.jpg

934 ms

PhotoGrid_1449255227983.jpg

PhotoGrid_1449255227983.jpg

968 ms

book_fair_2__with_details.jpg

book_fair_2__with_details.jpg

933 ms

20151124_122035.jpg

20151124_122035.jpg

1084 ms

Screen_Shot_2015-11-20_at_9.35.21_AM.png

Screen_Shot_2015-11-20_at_9.35.21_AM.png

1174 ms

translateelement.css

translateelement.css

55 ms

main.js

main.js

67 ms

widgets.js

widgets.js

87 ms

st.js

st.js

26 ms

analytics.js

analytics.js

9 ms

jquery.min.js

jquery.min.js

102 ms

element_main.js

element_main.js

47 ms

collect

collect

29 ms

238 ms

collect

collect

100 ms

ga-audiences

ga-audiences

39 ms

sdk.js

sdk.js

327 ms

entries.json

entries.json

334 ms

entries.json

entries.json

325 ms

entries.json

entries.json

372 ms

entries.json

entries.json

403 ms

entries.json

entries.json

423 ms

entries.json

entries.json

449 ms

pagination.json

pagination.json

470 ms

timeline.1b43d11859b7663a2225b885f87704a5.js

timeline.1b43d11859b7663a2225b885f87704a5.js

238 ms

300lo.json

300lo.json

104 ms

International_Baccalaureate_logo.jpg

International_Baccalaureate_logo.jpg

174 ms

mid-page.jpg

mid-page.jpg

726 ms

ajax-loader.gif

ajax-loader.gif

203 ms

translate_24dp.png

translate_24dp.png

161 ms

l

l

125 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

52 ms

Fiddler.jpeg

Fiddler.jpeg

811 ms

Winter_Tours.jpeg

Winter_Tours.jpeg

848 ms

2015_L_man_Graduation.jpg

2015_L_man_Graduation.jpg

784 ms

globalcitizens1.jpg

globalcitizens1.jpg

1055 ms

community_of_innovators.jpg

community_of_innovators.jpg

974 ms

artistscommunity.jpg

artistscommunity.jpg

887 ms

critical_thinkers.jpg

critical_thinkers.jpg

1129 ms

googlelogo_color_42x16dp.png

googlelogo_color_42x16dp.png

165 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

133 ms

150 ms

xd_arbiter.php

xd_arbiter.php

220 ms

xd_arbiter.php

xd_arbiter.php

428 ms

translate-icon.png

translate-icon.png

78 ms

arrow-down.png

arrow-down.png

105 ms

syndication

syndication

97 ms

515618953997991936

515618953997991936

138 ms

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

32 ms

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

79 ms

j8Ourdes_normal.jpeg

j8Ourdes_normal.jpeg

53 ms

CcKilm9W4AEokgj.jpg:large

CcKilm9W4AEokgj.jpg:large

56 ms

jot

jot

28 ms

feed

feed

792 ms

Accessibility Review

lemanmanhattan.org accessibility score

70

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

<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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

lemanmanhattan.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

Page has valid source maps

SEO Factors

lemanmanhattan.org SEO score

83

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 Lemanmanhattan.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 Lemanmanhattan.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

lemanmanhattan.org

Open Graph description is not detected on the main page of Leman Manhattan. 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: