Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

gesis.org

Infrastruktureinrichtung und Forschung für Sozialwissenschaften

Page Load Speed

3.4 sec in total

First Response

201 ms

Resources Loaded

2.6 sec

Page Rendered

570 ms

About Website

Visit gesis.org now to see the best up-to-date Gesis content for United States and also check out these interesting facts you probably never knew about gesis.org

GESIS - Leibniz-Institut für Sozialwissenschaften bietet Forschenden Datensätze, Beratungsleistungen und Infrastrukturangebote auf dem Gebiet der empirischen Sozialforschung

Visit gesis.org

Key Findings

We analyzed Gesis.org page load time and found that the first response time was 201 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

gesis.org performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

gesis.org

201 ms

gesis.org

393 ms

home

145 ms

7015c8c4ac5ff815b57530b221005fc6.css

97 ms

slick.css

194 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 91% of them (29 requests) were addressed to the original Gesis.org, 6% (2 requests) were made to Code.etracker.com and 3% (1 request) were made to Etracker.de. The less responsive or slowest element that took the longest time to load (618 ms) relates to the external source Etracker.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.0 kB (54%)

Content Size

107.0 kB

After Optimization

49.1 kB

In fact, the total size of Gesis.org main page is 107.0 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. 45% of websites need less resources to load. HTML takes 66.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 57.7 kB

  • Original 66.3 kB
  • After minification 39.1 kB
  • After compression 8.6 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. This page needs HTML code to be minified as it can gain 27.2 kB, which is 41% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 57.7 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 6.9 kB
  • After minification 6.9 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. Gesis images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 283 B

  • Original 33.9 kB
  • After minification 33.9 kB
  • After compression 33.6 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.

Requests Breakdown

Number of requests can be reduced by 10 (53%)

Requests Now

19

After Optimization

9

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gesis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

gesis.org accessibility score

90

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 have valid values

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

Document doesn't have a <title> element

High

Links do not have a discernible name

Best Practices

gesis.org 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

Page has valid source maps

SEO Factors

gesis.org SEO score

91

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

Document doesn't have a <title> element

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gesis.org can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Gesis.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 Gesis. 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: