Tools & Wizards About Us
openspacer.org screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

openspacer.org

OpenSpacer - Die Social Community für Barcamps

Page Load Speed

5 sec in total

First Response

233 ms

Resources Loaded

2.7 sec

Page Rendered

2.1 sec

openspacer.org screenshot

About Website

Click here to check amazing Open Spacer content for Germany. Otherwise, check out these important facts you probably never knew about openspacer.org

OpenSpacer - Die Social Community für Barcamps und Konferenzen.

Visit openspacer.org

Key Findings

We analyzed Openspacer.org page load time and found that the first response time was 233 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

openspacer.org performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.126

83/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

openspacer.org

233 ms

openspacer.org

532 ms

bootstrap.min.css

201 ms

base.css

291 ms

bootstrap-datetimepicker.min.css

294 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 95% of them (79 requests) were addressed to the original Openspacer.org, 2% (2 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (950 ms) belongs to the original domain Openspacer.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 412.2 kB (16%)

Content Size

2.6 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Openspacer.org main page is 2.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 234.6 kB

  • Original 262.4 kB
  • After minification 173.7 kB
  • After compression 27.8 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 88.7 kB, which is 34% 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 234.6 kB or 89% of the original size.

Image Optimization

-9%

Potential reduce by 175.5 kB

  • Original 2.1 MB
  • After minification 1.9 MB

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. Open Spacer images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.6 kB

  • Original 210.5 kB
  • After minification 210.5 kB
  • After compression 208.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 527 B

  • Original 23.6 kB
  • After minification 23.6 kB
  • After compression 23.1 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. Openspacer.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (15%)

Requests Now

78

After Optimization

66

  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Spacer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

openspacer.org

openspacer.org

233 ms

openspacer.org

openspacer.org

532 ms

bootstrap.min.css

bootstrap.min.css

201 ms

base.css

base.css

291 ms

bootstrap-datetimepicker.min.css

bootstrap-datetimepicker.min.css

294 ms

eventPage.css

eventPage.css

299 ms

jquery-2.0.3.js

jquery-2.0.3.js

28 ms

bootstrap.min.js

bootstrap.min.js

316 ms

bootstrap-datetimepicker.min.js

bootstrap-datetimepicker.min.js

321 ms

jquery.textareaCounter.plugin.js

jquery.textareaCounter.plugin.js

323 ms

main.js

main.js

386 ms

iframeResizer.contentWindow.min.js

iframeResizer.contentWindow.min.js

389 ms

in.js

in.js

36 ms

cookieconsent.min.css

cookieconsent.min.css

444 ms

cookieconsent.min.js

cookieconsent.min.js

445 ms

de.png

de.png

111 ms

en.png

en.png

112 ms

openspacer_logo_icon.png

openspacer_logo_icon.png

195 ms

1526324216_logo.png

1526324216_logo.png

114 ms

1589269789_logo.gif

1589269789_logo.gif

497 ms

1581595304_logo.PNG

1581595304_logo.PNG

110 ms

1424344259_logo.jpg

1424344259_logo.jpg

195 ms

1559812908_logo.jpg

1559812908_logo.jpg

298 ms

1549372858_logo.jpg

1549372858_logo.jpg

395 ms

1545480487_logo.jpg

1545480487_logo.jpg

315 ms

1473974415_logo.png

1473974415_logo.png

290 ms

1474380272_logo.png

1474380272_logo.png

292 ms

1531223340_logo.webp.jpeg

1531223340_logo.webp.jpeg

386 ms

1535033160_logo.jpg

1535033160_logo.jpg

486 ms

1522764279_logo.png

1522764279_logo.png

494 ms

1474380245_logo.png

1474380245_logo.png

420 ms

1474380215_logo.png

1474380215_logo.png

482 ms

1518515148_logo.jpg

1518515148_logo.jpg

498 ms

1394572084_logo.png

1394572084_logo.png

525 ms

1515152340_logo.png

1515152340_logo.png

673 ms

1473244943_logo.png

1473244943_logo.png

585 ms

1486386435_logo.jpg

1486386435_logo.jpg

593 ms

1501503041_logo.png

1501503041_logo.png

594 ms

1491912093_logo.jpg

1491912093_logo.jpg

598 ms

1488122133_logo.png

1488122133_logo.png

630 ms

1504611946_logo.png

1504611946_logo.png

679 ms

1481791653_logo.png

1481791653_logo.png

693 ms

1490095941_logo.jpeg

1490095941_logo.jpeg

695 ms

1471428381_logo.png

1471428381_logo.png

698 ms

1470295233_logo.jpg

1470295233_logo.jpg

734 ms

1467213917_logo.png

1467213917_logo.png

768 ms

1463489784_logo.jpg

1463489784_logo.jpg

777 ms

1467702566_logo.png

1467702566_logo.png

792 ms

1464094443_logo.jpg

1464094443_logo.jpg

733 ms

1458739603_logo.png

1458739603_logo.png

735 ms

1453341100_logo.png

1453341100_logo.png

770 ms

ga.js

ga.js

35 ms

1467702652_logo.png

1467702652_logo.png

759 ms

1446748999_logo.jpg

1446748999_logo.jpg

866 ms

1436872620_logo.jpg

1436872620_logo.jpg

783 ms

__utm.gif

__utm.gif

13 ms

1446895582_logo..jpeg

1446895582_logo..jpeg

764 ms

1445351514_logo.jpg

1445351514_logo.jpg

705 ms

1446296450_logo.jpg

1446296450_logo.jpg

752 ms

1467702580_logo.png

1467702580_logo.png

673 ms

1467702555_logo.png

1467702555_logo.png

701 ms

1433268299_logo.png

1433268299_logo.png

699 ms

1430580603_logo.png

1430580603_logo.png

681 ms

1427218788_logo.jpg

1427218788_logo.jpg

771 ms

1416565780_logo.png

1416565780_logo.png

664 ms

1424622803_logo.png

1424622803_logo.png

652 ms

1424632652_logo.png

1424632652_logo.png

610 ms

1410191482_logo.jpg

1410191482_logo.jpg

709 ms

1411652695_logo.jpg

1411652695_logo.jpg

602 ms

1413905402_logo.jpg

1413905402_logo.jpg

950 ms

1405086696_logo.jpg

1405086696_logo.jpg

672 ms

1406707397_logo.png

1406707397_logo.png

665 ms

1391019461_logo.png

1391019461_logo.png

608 ms

1391017246_logo.jpg

1391017246_logo.jpg

668 ms

1578913075_logo.png

1578913075_logo.png

768 ms

1567178905_logo.jpg

1567178905_logo.jpg

695 ms

1515152415_logo.png

1515152415_logo.png

664 ms

1467702777_logo.jpg

1467702777_logo.jpg

621 ms

1412409436_logo.png

1412409436_logo.png

685 ms

1413905297_logo.jpg

1413905297_logo.jpg

698 ms

1424344298_logo.jpg

1424344298_logo.jpg

697 ms

1424622588_logo.png

1424622588_logo.png

696 ms

1561993514_logo.png

1561993514_logo.png

727 ms

Accessibility Review

openspacer.org accessibility score

82

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Best Practices

openspacer.org best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

openspacer.org SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Openspacer.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 Openspacer.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

openspacer.org

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