Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 66

    SEO

    Google-friendlier than
    25% of websites

caslabs.case.edu

ArtSci Labs

Page Load Speed

971 ms in total

First Response

228 ms

Resources Loaded

585 ms

Page Rendered

158 ms

caslabs.case.edu screenshot

About Website

Welcome to caslabs.case.edu homepage info - get ready to check Cas Labs Case best content for United States right away, or after learning these important things about caslabs.case.edu

Visit caslabs.case.edu

Key Findings

We analyzed Caslabs.case.edu page load time and found that the first response time was 228 ms and then it took 743 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

caslabs.case.edu performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

62/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

caslabs.case.edu

228 ms

wp-emoji-release.min.js

32 ms

columns.css

58 ms

css

32 ms

bootstrap.css

93 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 67% of them (24 requests) were addressed to the original Caslabs.case.edu, 17% (6 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (228 ms) belongs to the original domain Caslabs.case.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 449.7 kB (77%)

Content Size

587.7 kB

After Optimization

138.0 kB

In fact, the total size of Caslabs.case.edu main page is 587.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. CSS take 299.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 14.3 kB

  • Original 19.4 kB
  • After minification 18.0 kB
  • After compression 5.0 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. 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 14.3 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 83 B

  • Original 3.3 kB
  • After minification 3.2 kB

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. Cas Labs Case images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 182.6 kB

  • Original 265.6 kB
  • After minification 241.3 kB
  • After compression 83.0 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 182.6 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 252.7 kB

  • Original 299.4 kB
  • After minification 257.0 kB
  • After compression 46.7 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. Caslabs.case.edu needs all CSS files to be minified and compressed as it can save up to 252.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (85%)

Requests Now

27

After Optimization

4

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cas Labs Case. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

caslabs.case.edu accessibility score

76

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

caslabs.case.edu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

caslabs.case.edu SEO score

66

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

Content Best Practices

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

Impact

Issue

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 Caslabs.case.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 Caslabs.case.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 Cas Labs Case. 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: