Tools & Wizards About Us
isoe.de screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

isoe.de

Institut für sozial-ökologische Forschung: ISOE

Page Load Speed

3.9 sec in total

First Response

421 ms

Resources Loaded

2.9 sec

Page Rendered

523 ms

isoe.de screenshot

About Website

Click here to check amazing ISOE content for Germany. Otherwise, check out these important facts you probably never knew about isoe.de

Das ISOE in Frankfurt am Main entwickelt Konzepte für eine nachhaltige Entwicklung. Es forscht unabhängig und transdisziplinär für Gesellschaft, Politik und Wirtschaft.

Visit isoe.de

Key Findings

We analyzed Isoe.de page load time and found that the first response time was 421 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

isoe.de performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value3.6 s

92/100

10%

Network Requests Diagram

isoe.de

421 ms

isoe.de

427 ms

www.isoe.de

965 ms

bc96cf4251.css

105 ms

VideoShariff.min.css

209 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to Isoe.de and no external sources were called. The less responsive or slowest element that took the longest time to load (965 ms) belongs to the original domain Isoe.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.1 kB (5%)

Content Size

714.0 kB

After Optimization

679.9 kB

  • HTML
  • Images

In fact, the total size of Isoe.de main page is 714.0 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. Images take 674.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 32.3 kB

  • Original 39.3 kB
  • After minification 34.7 kB
  • After compression 7.0 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 4.6 kB, which is 12% 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 32.3 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.8 kB

  • Original 674.7 kB
  • After minification 672.8 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. ISOE images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 15 (50%)

Requests Now

30

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISOE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isoe.de

isoe.de

421 ms

isoe.de

isoe.de

427 ms

www.isoe.de

www.isoe.de

965 ms

bc96cf4251.css

bc96cf4251.css

105 ms

VideoShariff.min.css

VideoShariff.min.css

209 ms

shariff.min.css

shariff.min.css

312 ms

Basic.css

Basic.css

314 ms

fonts.css

fonts.css

314 ms

fontawesome-all.min.css

fontawesome-all.min.css

315 ms

generatedcustom.css

generatedcustom.css

419 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

416 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

518 ms

custom.js

custom.js

414 ms

VideoShariff.min.js

VideoShariff.min.js

413 ms

shariff.min.js

shariff.min.js

415 ms

jquery.datetimepicker.min.js

jquery.datetimepicker.min.js

598 ms

parsley.min.js

parsley.min.js

599 ms

Tabs.min.js

Tabs.min.js

600 ms

Form.min.js

Form.min.js

600 ms

PowermailCondition.min.js

PowermailCondition.min.js

600 ms

isoe-logo-de.png

isoe-logo-de.png

106 ms

csm_Fotolia_126030239_L_4deeb333ba.jpg

csm_Fotolia_126030239_L_4deeb333ba.jpg

310 ms

csm_AdobeStock_671691075_Vusal_web_e5d882f3cc.jpg

csm_AdobeStock_671691075_Vusal_web_e5d882f3cc.jpg

208 ms

csm_insectopolis_keyvisual_wide_originale_17faa6ce0f.jpg

csm_insectopolis_keyvisual_wide_originale_17faa6ce0f.jpg

247 ms

csm_cw_IG-Farben-Haus_2005_rotunde-0094_if_web_19b4368939.jpg

csm_cw_IG-Farben-Haus_2005_rotunde-0094_if_web_19b4368939.jpg

208 ms

csm_Mongolia_landscape5_Lukas-Drees_d0c8edeb31.jpg

csm_Mongolia_landscape5_Lukas-Drees_d0c8edeb31.jpg

208 ms

csm_AdobeStock_229333698_darekb22_web_0fd242f17e.jpg

csm_AdobeStock_229333698_darekb22_web_0fd242f17e.jpg

311 ms

csm_AdobeStock_94281471_dieter76_web_fbcb2a1477.jpg

csm_AdobeStock_94281471_dieter76_web_fbcb2a1477.jpg

416 ms

csm_AdobeStock_486345656_Dzmitry_web_d9bbc6ae9a.jpg

csm_AdobeStock_486345656_Dzmitry_web_d9bbc6ae9a.jpg

313 ms

csm_Flurina-Schneider_8847_49697d8aa3.jpg

csm_Flurina-Schneider_8847_49697d8aa3.jpg

313 ms

csm_Frankfurt-Demokratie_3d9e9b1813.jpg

csm_Frankfurt-Demokratie_3d9e9b1813.jpg

352 ms

csm_AdobeStock_555013459_juan_web_8eb19ccefc.jpg

csm_AdobeStock_555013459_juan_web_8eb19ccefc.jpg

413 ms

ecornet-logo_rgb_s.png

ecornet-logo_rgb_s.png

414 ms

roboto-condensed-v16-latin-700.woff

roboto-condensed-v16-latin-700.woff

326 ms

roboto-condensed-v16-latin-regular.woff

roboto-condensed-v16-latin-regular.woff

329 ms

fa-solid-900.woff

fa-solid-900.woff

366 ms

fa-regular-400.woff

fa-regular-400.woff

428 ms

noto-serif-v6-latin-regular.woff

noto-serif-v6-latin-regular.woff

428 ms

roboto-v18-latin-regular.woff

roboto-v18-latin-regular.woff

429 ms

roboto-v18-latin-500.woff

roboto-v18-latin-500.woff

433 ms

roboto-v18-latin-700.woff

roboto-v18-latin-700.woff

433 ms

fa-brands-400.woff

fa-brands-400.woff

469 ms

Accessibility Review

isoe.de accessibility score

95

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.

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

isoe.de 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

Page has valid source maps

SEO Factors

isoe.de SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Isoe.de 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 Isoe.de 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

isoe.de

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