Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

d3con.org

d3con - the future of digital advertising

Page Load Speed

10 sec in total

First Response

315 ms

Resources Loaded

6 sec

Page Rendered

3.8 sec

About Website

Welcome to d3con.org homepage info - get ready to check D 3 Con best content for Israel right away, or after learning these important things about d3con.org

With more than 2000 visitors the d3con is Germany's largest event about the future of Display Advertising

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Key Findings

We analyzed D3con.org page load time and found that the first response time was 315 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

d3con.org performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,640 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.239

52/100

15%

TTI (Time to Interactive)

Value23.2 s

1/100

10%

Network Requests Diagram

d3con.org

315 ms

d3con.com

2467 ms

app.25408d53.css

295 ms

logo.ad369572.svg

289 ms

8356-track-highlight-933-logo.png

289 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original D3con.org, 99% (150 requests) were made to D3con.com and 1% (1 request) were made to . The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source D3con.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 651.1 kB (19%)

Content Size

3.5 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of D3con.org main page is 3.5 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. 60% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 274.2 kB

  • Original 295.4 kB
  • After minification 158.2 kB
  • After compression 21.2 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. This page needs HTML code to be minified as it can gain 137.2 kB, which is 46% 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 274.2 kB or 93% of the original size.

Image Optimization

-12%

Potential reduce by 376.7 kB

  • Original 3.1 MB
  • After minification 2.8 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. Obviously, D 3 Con needs image optimization as it can save up to 376.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 36 B

  • Original 45.0 kB
  • After minification 45.0 kB
  • After compression 44.9 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

-0%

Potential reduce by 166 B

  • Original 43.6 kB
  • After minification 43.6 kB
  • After compression 43.4 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. D3con.org has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

148

After Optimization

148

  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D 3 Con. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

d3con.org accessibility score

80

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

High

Links do not have a discernible name

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

d3con.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

d3con.org SEO score

92

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D3con.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 D3con.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 data is detected on the main page of D 3 Con. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: