Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% 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

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

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value2,290 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.157

74/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

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

-62%

Potential reduce by 666.5 kB

  • Original 1.1 MB
  • After minification 1.0 MB
  • 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 666.5 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 259.8 kB

  • Original 308.6 kB
  • After minification 276.7 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 259.8 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

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

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: