Access rec.udel.edu. Carvel Research and Education Center | College of Agriculture & Natural Resources

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value4,390 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.539

14/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

rec.udel.edu

27 ms

243 ms

gtm.js

158 ms

common-clientlibs.min.62c53b465c6675bc780e7f1e12d49754.css

15 ms

jquery.min.js

31 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rec.udel.edu, 71% (60 requests) were made to Udel.edu and 19% (16 requests) were made to Teliportme.com. The less responsive or slowest element that took the longest time to load (429 ms) relates to the external source Teliportme.com.

Content Size

10.4 MB

After Optimization

10.1 MB

In fact, the total size of Rec.udel.edu main page is 10.4 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 10.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 95.1 kB

Original 110.6 kB
After minification 79.2 kB
After compression 15.5 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 31.5 kB, which is 28% 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 95.1 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 280.9 kB

Original 10.3 MB
After minification 10.0 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. Rec Udel images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 534 B

Original 6.4 kB
After minification 6.4 kB
After compression 5.8 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.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rec Udel. 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 5 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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rec.udel.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 Rec.udel.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph data is detected on the main page of Rec Udel. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: