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csiss.gmu.edu screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

csiss.gmu.edu

Center for Spatial Information Science and Systems – An interdisciplinary research center at George Mason University

Page Load Speed

1.1 sec in total

First Response

29 ms

Resources Loaded

559 ms

Page Rendered

490 ms

csiss.gmu.edu screenshot

About Website

Click here to check amazing Csiss Gmu content for United States. Otherwise, check out these important facts you probably never knew about csiss.gmu.edu

CSISS center at George Mason University is a member of National Committee on InFORMation Technology Standards Technical Committee L1, and a member of Open GIS Consortium (OGC)

Visit csiss.gmu.edu

Key Findings

We analyzed Csiss.gmu.edu page load time and found that the first response time was 29 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

csiss.gmu.edu performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value32.6 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value20.2 s

2/100

10%

Network Requests Diagram

csiss.gmu.edu

29 ms

index.htm

28 ms

main.css

34 ms

dropdownnav.js

14 ms

192 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 83% of them (20 requests) were addressed to the original Csiss.gmu.edu, 17% (4 requests) were made to Feedjit.com. The less responsive or slowest element that took the longest time to load (279 ms) relates to the external source Feedjit.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 120.0 kB (8%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csiss.gmu.edu main page is 1.6 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. 15% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 19.9 kB

  • Original 28.3 kB
  • After minification 26.8 kB
  • After compression 8.4 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 19.9 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 20.3 kB

  • Original 1.5 MB
  • After minification 1.4 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. Csiss Gmu images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 35.4 kB

  • Original 51.4 kB
  • After minification 51.4 kB
  • After compression 16.0 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 35.4 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 44.5 kB

  • Original 51.3 kB
  • After minification 43.7 kB
  • After compression 6.8 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. Csiss.gmu.edu needs all CSS files to be minified and compressed as it can save up to 44.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csiss Gmu. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

csiss.gmu.edu

csiss.gmu.edu

29 ms

index.htm

index.htm

28 ms

main.css

main.css

34 ms

dropdownnav.js

dropdownnav.js

14 ms

192 ms

toptoolbackground.gif

toptoolbackground.gif

8 ms

csiss_logo_big.gif

csiss_logo_big.gif

12 ms

title_green.gif

title_green.gif

18 ms

frontcolumngrid.gif

frontcolumngrid.gif

13 ms

spotlightheaderbg.gif

spotlightheaderbg.gif

17 ms

latestheaderbg.gif

latestheaderbg.gif

13 ms

seminar20160129.jpg

seminar20160129.jpg

41 ms

esipfed2015_1.jpg

esipfed2015_1.jpg

19 ms

esipfed2015_2.jpg

esipfed2015_2.jpg

39 ms

esipfed2015_3.jpg

esipfed2015_3.jpg

81 ms

esipfed2015_4.jpg

esipfed2015_4.jpg

61 ms

esipfed2015_5.jpg

esipfed2015_5.jpg

73 ms

projectsheaderbg.gif

projectsheaderbg.gif

26 ms

DT_201602.jpg

DT_201602.jpg

149 ms

comgeo.gif

comgeo.gif

58 ms

print.css

print.css

26 ms

inj_tf.css

inj_tf.css

65 ms

126 ms

279 ms

Accessibility Review

csiss.gmu.edu accessibility score

88

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-*] attributes do not match their roles

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.

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

csiss.gmu.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

csiss.gmu.edu SEO score

90

Search Engine Optimization Advices

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csiss.gmu.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 Csiss.gmu.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

csiss.gmu.edu

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