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csiss.ncgia.ucsb.edu screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

csiss.ncgia.ucsb.edu

Center for Spatially Integrated Social Science (CSISS)

Page Load Speed

999 ms in total

First Response

224 ms

Resources Loaded

638 ms

Page Rendered

137 ms

csiss.ncgia.ucsb.edu screenshot

About Website

Welcome to csiss.ncgia.ucsb.edu homepage info - get ready to check CSISS Ncgia Ucsb best content for United States right away, or after learning these important things about csiss.ncgia.ucsb.edu

CSISS is dedicated to building national research infrastructure on spatial analysis in the social and behavioral sciences.

Visit csiss.ncgia.ucsb.edu

Key Findings

We analyzed Csiss.ncgia.ucsb.edu page load time and found that the first response time was 224 ms and then it took 775 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

csiss.ncgia.ucsb.edu performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

csiss.ncgia.ucsb.edu

224 ms

csiss.css

113 ms

homemenu_array.js

190 ms

mmenunew.js

188 ms

homebanner.jpg

192 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Csiss.ncgia.ucsb.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (224 ms) belongs to the original domain Csiss.ncgia.ucsb.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 108.8 kB (64%)

Content Size

169.0 kB

After Optimization

60.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csiss.ncgia.ucsb.edu main page is 169.0 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. 15% of websites need less resources to load. HTML takes 116.6 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 104.7 kB

  • Original 116.6 kB
  • After minification 116.2 kB
  • After compression 11.9 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 104.7 kB or 90% of the original size.

Image Optimization

-5%

Potential reduce by 1.9 kB

  • Original 37.5 kB
  • After minification 35.6 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. CSISS Ncgia Ucsb images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 2.1 kB

  • Original 14.0 kB
  • After minification 14.0 kB
  • After compression 11.9 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 2.1 kB or 15% of the original size.

CSS Optimization

-17%

Potential reduce by 139 B

  • Original 818 B
  • After minification 818 B
  • After compression 679 B

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.ncgia.ucsb.edu needs all CSS files to be minified and compressed as it can save up to 139 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (46%)

Requests Now

13

After Optimization

7

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

csiss.ncgia.ucsb.edu

csiss.ncgia.ucsb.edu

224 ms

csiss.css

csiss.css

113 ms

homemenu_array.js

homemenu_array.js

190 ms

mmenunew.js

mmenunew.js

188 ms

homebanner.jpg

homebanner.jpg

192 ms

titles-csiss-mission.gif

titles-csiss-mission.gif

195 ms

titles-csiss-news2.gif

titles-csiss-news2.gif

196 ms

SPACE_home.gif

SPACE_home.gif

192 ms

GISPopSci_home.gif

GISPopSci_home.gif

193 ms

spacer.gif

spacer.gif

195 ms

arrow.gif

arrow.gif

92 ms

spatial-map-bg4.jpg

spatial-map-bg4.jpg

88 ms

spatial-map-bg3.jpg

spatial-map-bg3.jpg

85 ms

spatial-map-bg3b.jpg

spatial-map-bg3b.jpg

79 ms

Accessibility Review

csiss.ncgia.ucsb.edu accessibility score

60

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

csiss.ncgia.ucsb.edu best practices score

75

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

Serves images with low resolution

SEO Factors

csiss.ncgia.ucsb.edu SEO score

69

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 Csiss.ncgia.ucsb.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 Csiss.ncgia.ucsb.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.ncgia.ucsb.edu

Open Graph description is not detected on the main page of CSISS Ncgia Ucsb. 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: