Tools & Wizards About Us
tavana.us screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

tavana.us

Dr. Madjid Tavana, Professor, Distinguished Chair, Business Systems and Analytics, Decision Sciences, Management Information Systems, La Salle Univers...

Page Load Speed

1.9 sec in total

First Response

119 ms

Resources Loaded

1.5 sec

Page Rendered

280 ms

tavana.us screenshot

About Website

Visit tavana.us now to see the best up-to-date Tavana content and also check out these interesting facts you probably never knew about tavana.us

Dr. Madjid Tavana is a Professor and Distinguished Chair of Business Systems and Analytics at La Salle University.

Visit tavana.us

Key Findings

We analyzed Tavana.us page load time and found that the first response time was 119 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

tavana.us performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

tavana.us

119 ms

earth-night.jpg

153 ms

video-fill-up.jpg

152 ms

h-video-fill-down.jpg

153 ms

header-center.jpg

551 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Tavana.us and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Tavana.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.3 MB (87%)

Content Size

17.7 MB

After Optimization

2.4 MB

  • HTML
  • Images

In fact, the total size of Tavana.us main page is 17.7 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. 60% of websites need less resources to load. Images take 17.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 16.8 kB

  • Original 20.9 kB
  • After minification 19.8 kB
  • After compression 4.1 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 16.8 kB or 81% of the original size.

Image Optimization

-87%

Potential reduce by 15.3 MB

  • Original 17.6 MB
  • After minification 2.4 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. Obviously, Tavana needs image optimization as it can save up to 15.3 MB or 87% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

48

After Optimization

48

  • Images

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tavana. According to our analytics all requests are already optimized.

Network Requests Diagram

tavana.us

tavana.us

119 ms

earth-night.jpg

earth-night.jpg

153 ms

video-fill-up.jpg

video-fill-up.jpg

152 ms

h-video-fill-down.jpg

h-video-fill-down.jpg

153 ms

header-center.jpg

header-center.jpg

551 ms

spacer.jpg

spacer.jpg

103 ms

home.jpg

home.jpg

105 ms

publications.jpg

publications.jpg

155 ms

vitae.jpg

vitae.jpg

157 ms

courses.jpg

courses.jpg

205 ms

student.jpg

student.jpg

205 ms

instructor.jpg

instructor.jpg

206 ms

googlescholar.jpg

googlescholar.jpg

208 ms

top-two-percent-S.png

top-two-percent-S.png

206 ms

Madjid-Equation-S.jpg

Madjid-Equation-S.jpg

353 ms

emailme.png

emailme.png

304 ms

linkedin.png

linkedin.png

274 ms

zoom.png

zoom.png

275 ms

gs.png

gs.png

275 ms

orcid-icon.png

orcid-icon.png

307 ms

sgps.png

sgps.png

309 ms

InTheNews.png

InTheNews.png

311 ms

DRF.jpg

DRF.jpg

406 ms

SDG03.jpg

SDG03.jpg

360 ms

SDG04.jpg

SDG04.jpg

361 ms

SDG07.jpg

SDG07.jpg

364 ms

SDG08.jpg

SDG08.jpg

405 ms

SDG09.jpg

SDG09.jpg

413 ms

SDG11.jpg

SDG11.jpg

413 ms

SDG12.jpg

SDG12.jpg

415 ms

SDG13.jpg

SDG13.jpg

457 ms

DAJE.jpg

DAJE.jpg

458 ms

HCA.jpg

HCA.jpg

465 ms

SCA.jpg

SCA.jpg

515 ms

IJADS.jpg

IJADS.jpg

467 ms

IJMDM.jpg

IJMDM.jpg

510 ms

IJCNDS.jpg

IJCNDS.jpg

509 ms

IJKEDM.jpg

IJKEDM.jpg

422 ms

INS.jpg

INS.jpg

422 ms

ANOR.jpg

ANOR.jpg

416 ms

ESWA.jpg

ESWA.jpg

416 ms

CAIE.jpg

CAIE.jpg

420 ms

JIK.jpeg

JIK.jpeg

421 ms

ISWA.jpg

ISWA.jpg

422 ms

JIPE.jpg

JIPE.jpg

398 ms

STE.jpg

STE.jpg

414 ms

IJSDS.jpg

IJSDS.jpg

413 ms

IJEIS.jpg

IJEIS.jpg

532 ms

SMPO.jpg

SMPO.jpg

1089 ms

gray_line.gif

gray_line.gif

353 ms

Accessibility Review

tavana.us accessibility score

67

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

tavana.us best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

tavana.us SEO score

67

Search Engine Optimization Advices

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

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 Tavana.us 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 Tavana.us 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

tavana.us

Open Graph description is not detected on the main page of Tavana. 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: