Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

open.oregonstate.edu

Open Online Courses | Open Educational Resources | Oregon State University

Page Load Speed

2.8 sec in total

First Response

455 ms

Resources Loaded

2.2 sec

Page Rendered

139 ms

About Website

Visit open.oregonstate.edu now to see the best up-to-date Open Oregon State content for United States and also check out these interesting facts you probably never knew about open.oregonstate.edu

Ecampus Open Educational Resources works with OSU faculty to create online educational resources that can be accessed freely by students and teachers in digital media collections around the world.

Visit open.oregonstate.edu

Key Findings

We analyzed Open.oregonstate.edu page load time and found that the first response time was 455 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

open.oregonstate.edu performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value3,740 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

open.oregonstate.edu

455 ms

asset-css-default.v1.css

927 ms

asset-js-default.v1.js

1309 ms

css

39 ms

2017-05.css

420 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 39% of them (11 requests) were addressed to the original Open.oregonstate.edu, 36% (10 requests) were made to Ecampus.oregonstate.edu and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Ecampus.oregonstate.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 280.7 kB (54%)

Content Size

522.4 kB

After Optimization

241.8 kB

In fact, the total size of Open.oregonstate.edu main page is 522.4 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. 25% of websites need less resources to load. CSS take 217.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 30.1 kB

  • Original 37.8 kB
  • After minification 29.1 kB
  • After compression 7.7 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. This page needs HTML code to be minified as it can gain 8.6 kB, which is 23% 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 30.1 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 4.6 kB

  • Original 146.2 kB
  • After minification 141.6 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. Open Oregon State images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 64.1 kB

  • Original 120.8 kB
  • After minification 120.8 kB
  • After compression 56.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 64.1 kB or 53% of the original size.

CSS Optimization

-84%

Potential reduce by 182.0 kB

  • Original 217.7 kB
  • After minification 184.7 kB
  • After compression 35.7 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. Open.oregonstate.edu needs all CSS files to be minified and compressed as it can save up to 182.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (23%)

Requests Now

26

After Optimization

20

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Oregon State. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

open.oregonstate.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-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.

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

open.oregonstate.edu best practices score

92

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

SEO Factors

open.oregonstate.edu SEO score

89

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

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 Open.oregonstate.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 Open.oregonstate.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 Open Oregon State. 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: