Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

cs.earlham.edu

Home - Earlham CS

Page Load Speed

1 sec in total

First Response

87 ms

Resources Loaded

583 ms

Page Rendered

363 ms

cs.earlham.edu screenshot

About Website

Visit cs.earlham.edu now to see the best up-to-date CS Earlham content for United States and also check out these interesting facts you probably never knew about cs.earlham.edu

Welcome to the Earlham Computer Science Department It is our pleasure to welcome you to the Earlham College Computer Science Department. Our diverse faculty and rich facilities provide an environment ...

Visit cs.earlham.edu

Key Findings

We analyzed Cs.earlham.edu page load time and found that the first response time was 87 ms and then it took 946 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

cs.earlham.edu performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

cs.earlham.edu

87 ms

cs.earlham.edu

140 ms

bootstrap.css

60 ms

bootstrap-responsive.css

87 ms

main.css

88 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original Cs.earlham.edu, 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (355 ms) belongs to the original domain Cs.earlham.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 442.8 kB (21%)

Content Size

2.1 MB

After Optimization

1.6 MB

In fact, the total size of Cs.earlham.edu main page is 2.1 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. 20% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.3 kB

  • Original 12.4 kB
  • After minification 8.0 kB
  • After compression 3.0 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 4.4 kB, which is 36% 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 9.3 kB or 75% of the original size.

Image Optimization

-14%

Potential reduce by 261.5 kB

  • Original 1.9 MB
  • After minification 1.6 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. Obviously, CS Earlham needs image optimization as it can save up to 261.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 21.1 kB

  • Original 28.4 kB
  • After minification 28.4 kB
  • After compression 7.4 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 21.1 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 151.0 kB

  • Original 176.0 kB
  • After minification 134.6 kB
  • After compression 25.0 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. Cs.earlham.edu needs all CSS files to be minified and compressed as it can save up to 151.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (41%)

Requests Now

17

After Optimization

10

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CS Earlham. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cs.earlham.edu accessibility score

86

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

cs.earlham.edu best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cs.earlham.edu SEO score

77

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

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 Cs.earlham.edu 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 Cs.earlham.edu 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 CS Earlham. 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: