Tools & Wizards About Us
isso.org screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

isso.org

ISSO Institute for Social & Sustainable Oikonomics - ISSO Koblenz

Page Load Speed

2.9 sec in total

First Response

222 ms

Resources Loaded

2.5 sec

Page Rendered

188 ms

isso.org screenshot

About Website

Click here to check amazing ISSO content. Otherwise, check out these important facts you probably never knew about isso.org

ISSO Institute for Social & Sustainable Oikonomics - ISSO - Ihr Impulsgeber für innovative Veranstaltungen, anwendungsorientierte Projekte und strategische Partnerschaften. Gemeinsam gestalten wir Lös...

Visit isso.org

Key Findings

We analyzed Isso.org page load time and found that the first response time was 222 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

isso.org performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.0 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.519

15/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

en

222 ms

202 ms

xr_main.css

207 ms

xr_text.css

218 ms

custom_styles.css

247 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Isso.org and no external sources were called. The less responsive or slowest element that took the longest time to load (642 ms) relates to the external source Isso.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 204.9 kB (29%)

Content Size

701.7 kB

After Optimization

496.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isso.org main page is 701.7 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 481.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 17.9 kB

  • Original 22.5 kB
  • After minification 22.2 kB
  • After compression 4.6 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. 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 17.9 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 48.8 kB

  • Original 481.1 kB
  • After minification 432.2 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. ISSO images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 131.0 kB

  • Original 189.4 kB
  • After minification 184.0 kB
  • After compression 58.4 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 131.0 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 7.2 kB

  • Original 8.8 kB
  • After minification 8.1 kB
  • After compression 1.6 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. Isso.org needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (36%)

Requests Now

47

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISSO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

en

en

222 ms

202 ms

xr_main.css

xr_main.css

207 ms

xr_text.css

xr_text.css

218 ms

custom_styles.css

custom_styles.css

247 ms

roe.js

roe.js

413 ms

prs4.js

prs4.js

374 ms

jquery.js

jquery.js

582 ms

datamap.js

datamap.js

318 ms

touchswipe.min.js

touchswipe.min.js

334 ms

cycleb.css

cycleb.css

353 ms

jquery.cycle.all.js

jquery.cycle.all.js

517 ms

bx_cyclemeb_conf.js

bx_cyclemeb_conf.js

443 ms

1.js

1.js

476 ms

2088.png

2088.png

110 ms

3644.png

3644.png

123 ms

3645.png

3645.png

143 ms

3646.png

3646.png

164 ms

3647.png

3647.png

195 ms

3648.png

3648.png

210 ms

3649.png

3649.png

223 ms

3650.png

3650.png

245 ms

3651.png

3651.png

262 ms

3793.jpg

3793.jpg

287 ms

3794.jpg

3794.jpg

318 ms

3795.jpg

3795.jpg

328 ms

3796.jpg

3796.jpg

438 ms

3411.png

3411.png

363 ms

3658.png

3658.png

387 ms

3416.png

3416.png

399 ms

3418.png

3418.png

419 ms

3674.png

3674.png

441 ms

3675.png

3675.png

471 ms

3676.png

3676.png

489 ms

3677.png

3677.png

507 ms

3678.png

3678.png

532 ms

3679.png

3679.png

545 ms

3680.png

3680.png

565 ms

3681.png

3681.png

638 ms

3805.jpg

3805.jpg

493 ms

3804.png

3804.png

227 ms

3803.png

3803.png

151 ms

3808.jpg

3808.jpg

460 ms

3807.png

3807.png

288 ms

3806.png

3806.png

230 ms

3668.jpg

3668.jpg

642 ms

3810.png

3810.png

336 ms

3809.png

3809.png

354 ms

arrows.png

arrows.png

396 ms

Accessibility Review

isso.org accessibility score

81

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

isso.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

isso.org SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

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

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isso.org can be misinterpreted by Google and other search engines. Our service has detected that German 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 Isso.org main page’s claimed encoding is windows-1252. 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

isso.org

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