Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

blackboard.hilbert.edu

Blackboard Learn

Page Load Speed

559 ms in total

First Response

249 ms

Resources Loaded

309 ms

Page Rendered

1 ms

blackboard.hilbert.edu screenshot

About Website

Welcome to blackboard.hilbert.edu homepage info - get ready to check Blackboard Hilbert best content for United States right away, or after learning these important things about blackboard.hilbert.edu

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Key Findings

We analyzed Blackboard.hilbert.edu page load time and found that the first response time was 249 ms and then it took 310 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

blackboard.hilbert.edu performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value9,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.585

11/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

Network Requests Diagram

blackboard.hilbert.edu

249 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Blackboard.hilbert.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (249 ms) belongs to the original domain Blackboard.hilbert.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 241 B (43%)

Content Size

557 B

After Optimization

316 B

In fact, the total size of Blackboard.hilbert.edu main page is 557 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 557 B which makes up the majority of the site volume.

HTML Optimization

-43%

Potential reduce by 241 B

  • Original 557 B
  • After minification 557 B
  • After compression 316 B

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 241 B or 43% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

blackboard.hilbert.edu accessibility score

89

Accessibility Issues

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

blackboard.hilbert.edu best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

blackboard.hilbert.edu SEO score

77

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackboard.hilbert.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Blackboard.hilbert.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 description is not detected on the main page of Blackboard Hilbert. 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: