Report Summary

  • 35

    Performance

    Renders faster than
    54% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

openicpsr.org

openICPSR: Share your behavioral health and social science research data

Page Load Speed

928 ms in total

First Response

132 ms

Resources Loaded

694 ms

Page Rendered

102 ms

openicpsr.org screenshot

About Website

Visit openicpsr.org now to see the best up-to-date OpenICPSR content for Iran and also check out these interesting facts you probably never knew about openicpsr.org

openICPSR is a research data-sharing service for social and behavioral sciences. It allows the public to access research data at no charge. openICPSR assists researchers in meeting requirements for pu...

Visit openicpsr.org

Key Findings

We analyzed Openicpsr.org page load time and found that the first response time was 132 ms and then it took 796 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

openicpsr.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.316

37/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

openicpsr.org

132 ms

www.openicpsr.org

77 ms

11 ms

gtm.js

58 ms

bootstrap.min.css;jsessionid=DDC977FE5821088E513425155D88AC8D

18 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 53% of them (21 requests) were addressed to the original Openicpsr.org, 30% (12 requests) were made to Icpsr.umich.edu and 10% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (203 ms) relates to the external source Icpsr.umich.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.8 kB (21%)

Content Size

154.0 kB

After Optimization

121.2 kB

In fact, the total size of Openicpsr.org main page is 154.0 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. 25% of websites need less resources to load. Images take 115.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 12.0 kB

  • Original 16.2 kB
  • After minification 14.5 kB
  • After compression 4.2 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 12.0 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 3.3 kB

  • Original 115.6 kB
  • After minification 112.3 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. OpenICPSR images are well optimized though.

CSS Optimization

-79%

Potential reduce by 17.6 kB

  • Original 22.3 kB
  • After minification 16.2 kB
  • After compression 4.7 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. Openicpsr.org needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (61%)

Requests Now

33

After Optimization

13

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OpenICPSR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

openicpsr.org accessibility score

100

Accessibility Issues

Best Practices

openicpsr.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

openicpsr.org SEO score

100

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

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 Openicpsr.org 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 Openicpsr.org 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 OpenICPSR. 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: