Report Summary

  • 50

    Performance

    Renders faster than
    68% 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

  • 77

    SEO

    Google-friendlier than
    36% of websites

tulsatech.blackboard.com

Blackboard Learn

Page Load Speed

1.5 sec in total

First Response

10 ms

Resources Loaded

1.2 sec

Page Rendered

208 ms

About Website

Visit tulsatech.blackboard.com now to see the best up-to-date Tulsatech Blackboard content for United States and also check out these interesting facts you probably never knew about tulsatech.blackboard.com

Visit tulsatech.blackboard.com

Key Findings

We analyzed Tulsatech.blackboard.com page load time and found that the first response time was 10 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

tulsatech.blackboard.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

tulsatech.blackboard.com

10 ms

tulsatech.blackboard.com

34 ms

shared.css

78 ms

theme.css

65 ms

app_nav.css

61 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 41% of them (15 requests) were addressed to the original Tulsatech.blackboard.com, 46% (17 requests) were made to Learn.content.blackboardcdn.com and 5% (2 requests) were made to Tulsatech.edu. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Tulsatech.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.2 kB (30%)

Content Size

744.9 kB

After Optimization

523.7 kB

In fact, the total size of Tulsatech.blackboard.com main page is 744.9 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. 30% of websites need less resources to load. Javascripts take 317.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 179.3 kB

  • Original 217.7 kB
  • After minification 214.0 kB
  • After compression 38.4 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 179.3 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 95.6 kB
  • After minification 95.6 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. Tulsatech Blackboard images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 23.7 kB

  • Original 317.8 kB
  • After minification 317.6 kB
  • After compression 294.1 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.

CSS Optimization

-16%

Potential reduce by 18.2 kB

  • Original 113.8 kB
  • After minification 113.8 kB
  • After compression 95.6 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. Tulsatech.blackboard.com needs all CSS files to be minified and compressed as it can save up to 18.2 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (82%)

Requests Now

28

After Optimization

5

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tulsatech Blackboard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tulsatech.blackboard.com accessibility score

86

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.

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

tulsatech.blackboard.com 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

High

Missing source maps for large first-party JavaScript

SEO Factors

tulsatech.blackboard.com 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tulsatech.blackboard.com 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 Tulsatech.blackboard.com 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 Tulsatech Blackboard. 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: