Access pds.org. Princeton Day School | PreK-12 Independent School Princeton

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value3,940 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value2.253

0/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

pds.org

91 ms

www.pds.org

150 ms

application-3d571c26adcaf21a729ffd3fab5c4f03.css

16 ms

styles.cfm

86 ms

main.css

225 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 34% of them (40 requests) were addressed to the original Pds.org, 8% (10 requests) were made to Use.typekit.net and 8% (9 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (753 ms) relates to the external source S.ytimg.com.

Content Size

7.4 MB

After Optimization

6.0 MB

In fact, the total size of Pds.org main page is 7.4 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. Only a small number of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 129.0 kB

Original 156.7 kB
After minification 148.0 kB
After compression 27.7 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 129.0 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 35.6 kB

Original 5.6 MB
After minification 5.5 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. Pds images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 1.0 MB

Original 1.5 MB
After minification 1.4 MB
After compression 444.5 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 1.0 MB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 164.8 kB

Original 188.1 kB
After minification 134.5 kB
After compression 23.3 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. Pds.org needs all CSS files to be minified and compressed as it can save up to 164.8 kB or 88% of the original size.

Requests Now

102

After Optimization

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Pds.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 Pds.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

pds.org

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Princeton Day School | PreK-12 Independent School Princeton

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

pds.org

www.pds.org

application-3d571c26adcaf21a729ffd3fab5c4f03.css

styles.cfm

main.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

pds.org

www.pds.org

application-3d571c26adcaf21a729ffd3fab5c4f03.css

styles.cfm

main.css

support.custom.css

in_layout_head-b2c3537e625ca833ec84b52d25370616.js

ujq1ltl.js

css

application-a1c175890c25c82a68369c01975f4fe4.js

main.js

support.custom.js

www.pds.org

SP_logo_sq.jpg

pds-logo-image.svg

pds-logo-tagline.svg

aw_masthead_landing_page_16_900px.jpg

EarthArts-postcard-2015_front.jpg

Panthermania_LOGO.jpg

gtm.js

cse.js

cse.js

196.768.jpg

195.768.jpg

194.768.jpg

192.768.jpg

186.768.jpg

189.768.jpg

188.768.jpg

187.768.jpg

185.768.jpg

184.768.jpg

183.768.jpg

176.768.jpg

175.768.jpg

172.768.jpg

171.768.jpg

170.768.jpg

168.768.jpg

167.768.jpg

165.768.jpg

spotlight-background.jpg

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