Access cohs.com. Cardinal O'Hara High School - Pride. Excellence. Tradition.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value53.9 s

0/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value1.289

1/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

cohs.com

35 ms

www.cohs.com

436 ms

gtm.js

39 ms

main-pack-1722528154843.css

22 ms

main.css

199 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 26% of them (22 requests) were addressed to the original Cohs.com, 55% (47 requests) were made to 3.files.edl.io and 9% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (502 ms) relates to the external source Player.vimeo.com.

Content Size

10.0 MB

After Optimization

9.7 MB

In fact, the total size of Cohs.com main page is 10.0 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 9.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 99.2 kB

Original 128.6 kB
After minification 118.7 kB
After compression 29.3 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 99.2 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 126.9 kB

Original 9.7 MB
After minification 9.6 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. Cohs images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 5.7 kB

Original 120.3 kB
After minification 120.3 kB
After compression 114.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 1.3 kB

Original 20.2 kB
After minification 20.2 kB
After compression 18.9 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. Cohs.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cohs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 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 input fields do not have accessible names

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

<frame> or <iframe> elements do not have a title

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

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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 Cohs.com 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 Cohs.com 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

cohs.com

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

Cardinal O'Hara High School - Pride. Excellence. Tradition.

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

cohs.com

www.cohs.com

gtm.js

main-pack-1722528154843.css

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

cohs.com

www.cohs.com

gtm.js

main-pack-1722528154843.css

main.css

site-pack-1722528154843.css

temp-pack-1722528154843.css

web_apps-pack-1722528154843.css

main-pack-1722528154843.css

common-pack-1722528154843.js

js

list-pack.js

element.js

bundle-pack-1722528154843.js

jquery-pack-1722528154843.js

jquery-accessibleMegaMenu.js

slick.css

slick.min.js

slick-pack.js

css

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