Tools & Wizards About Us
app3null.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

app3null.com

App3Null – Agentur für App EntwicklungApp3Null

Page Load Speed

4.2 sec in total

First Response

338 ms

Resources Loaded

3.5 sec

Page Rendered

379 ms

app3null.com screenshot

About Website

Welcome to app3null.com homepage info - get ready to check App3 Null best content for Germany right away, or after learning these important things about app3null.com

Agentur für App Entwicklung ✓ Seit 2013 ☆ App Entwicklung ☆ Webentwicklung ☆ KMU, Startups und etablierte Brands ➨ Wir entwickeln Apps!

Visit app3null.com

Key Findings

We analyzed App3null.com page load time and found that the first response time was 338 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

app3null.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value1,820 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

app3null.com

338 ms

app3null.com

513 ms

JY5LDsMgDEQvVNfKqucxxHxUggk2TXv7hmQ30rx5mgVpHwSNIoMbuazckVTZFNV-hTXxzLQ3B5_Mx-No4KUaV8O4ghp16GS5RvSqeMfHgpMhbxCkb_DCXH0ZK-sF3eITClR95g40LEkHJ9-rN4VA7rnlejJpNBXQRH0eNJOqUwp2ZLNzG8izE3lDFImFb_kf.css

323 ms

M9TPTK7ULc5PzkzMQWICAA.css

327 ms

bYtbCoAwEAMvZIkeadVVClstTX3dXvEBgv7NTEiFJboovQ4yezzgGrIowSBJrAXzZvryY0VnutJ8q6moEMxdDCE1E5cRSRnHgX7Ws3zD3zlolrvEqTbf7A.css

455 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 88% of them (46 requests) were addressed to the original App3null.com, 4% (2 requests) were made to Ssl.google-analytics.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain App3null.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 380.7 kB (26%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of App3null.com main page is 1.5 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. 30% of websites need less resources to load. Images take 992.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.3 kB

  • Original 55.1 kB
  • After minification 48.7 kB
  • After compression 11.8 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 6.4 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 43.3 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 71.1 kB

  • Original 992.8 kB
  • After minification 921.7 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. App3 Null images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 158.5 kB

  • Original 274.7 kB
  • After minification 273.5 kB
  • After compression 116.2 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 158.5 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 107.8 kB

  • Original 130.2 kB
  • After minification 127.8 kB
  • After compression 22.4 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. App3null.com needs all CSS files to be minified and compressed as it can save up to 107.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (34%)

Requests Now

35

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of App3 Null. 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

app3null.com

app3null.com

338 ms

app3null.com

app3null.com

513 ms

JY5LDsMgDEQvVNfKqucxxHxUggk2TXv7hmQ30rx5mgVpHwSNIoMbuazckVTZFNV-hTXxzLQ3B5_Mx-No4KUaV8O4ghp16GS5RvSqeMfHgpMhbxCkb_DCXH0ZK-sF3eITClR95g40LEkHJ9-rN4VA7rnlejJpNBXQRH0eNJOqUwp2ZLNzG8izE3lDFImFb_kf.css

JY5LDsMgDEQvVNfKqucxxHxUggk2TXv7hmQ30rx5mgVpHwSNIoMbuazckVTZFNV-hTXxzLQ3B5_Mx-No4KUaV8O4ghp16GS5RvSqeMfHgpMhbxCkb_DCXH0ZK-sF3eITClR95g40LEkHJ9-rN4VA7rnlejJpNBXQRH0eNJOqUwp2ZLNzG8izE3lDFImFb_kf.css

323 ms

M9TPTK7ULc5PzkzMQWICAA.css

M9TPTK7ULc5PzkzMQWICAA.css

327 ms

bYtbCoAwEAMvZIkeadVVClstTX3dXvEBgv7NTEiFJboovQ4yezzgGrIowSBJrAXzZvryY0VnutJ8q6moEMxdDCE1E5cRSRnHgX7Ws3zD3zlolrvEqTbf7A.css

bYtbCoAwEAMvZIkeadVVClstTX3dXvEBgv7NTEiFJboovQ4yezzgGrIowSBJrAXzZvryY0VnutJ8q6moEMxdDCE1E5cRSRnHgX7Ws3zD3zlolrvEqTbf7A.css

455 ms

gdsr.css.php

gdsr.css.php

368 ms

css

css

57 ms

VctBDoMwDETRC2HSihOZxgSjxmnHAQGnb6i66W70vmYIy3sVHN3wG5Q1gav0Wa27hxTJK4MaqaWweBNHCxPbQwXEa50LaCz7FavTxOP3ewueGfyMl-cSBaYn_hnir2Kum_TG2wc.js

VctBDoMwDETRC2HSihOZxgSjxmnHAQGnb6i66W70vmYIy3sVHN3wG5Q1gav0Wa27hxTJK4MaqaWweBNHCxPbQwXEa50LaCz7FavTxOP3ewueGfyMl-cSBaYn_hnir2Kum_TG2wc.js

433 ms

view.min.js

view.min.js

328 ms

dcxBDoAgDETRC5mC8SpegABqCVCkReLtXbiF9fszWnEy1USnAqtwN19f6OYthFl40QNlWynGnSBhHgbeMOYTVtiGjExCxU_nB8qDjqcu1OzV8X_4AA.js

dcxBDoAgDETRC5mC8SpegABqCVCkReLtXbiF9fszWnEy1USnAqtwN19f6OYthFl40QNlWynGnSBhHgbeMOYTVtiGjExCxU_nB8qDjqcu1OzV8X_4AA.js

650 ms

FYpbDoAgDMAu5Fz48jwDppnhDcN4ezHpR5PWIFUlKHQxWJXguSH1zqPjTZO6a1KWUy0WpvCzGXQ5DXIDztwiHCjJBfW8_kVVbu_-lz1K-gA.js

FYpbDoAgDMAu5Fz48jwDppnhDcN4ezHpR5PWIFUlKHQxWJXguSH1zqPjTZO6a1KWUy0WpvCzGXQ5DXIDztwiHCjJBfW8_kVVbu_-lz1K-gA.js

684 ms

ZcxBDsIwDAXRCzU1lZA4T5S4wlWcBH8HqbenZIdYzlvMRqlVj8nD3kzDg6SmMjKDDhCSSXcsN4JGiyVPHJ1tFzx_-XgNtnNNA950uV9bVa4ejHs5V5W6bKQloEhmowiwX69ZIGP0ViFvnvIP38EH.js

ZcxBDsIwDAXRCzU1lZA4T5S4wlWcBH8HqbenZIdYzlvMRqlVj8nD3kzDg6SmMjKDDhCSSXcsN4JGiyVPHJ1tFzx_-XgNtnNNA950uV9bVa4ejHs5V5W6bKQloEhmowiwX69ZIGP0ViFvnvIP38EH.js

684 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

717 ms

ga.js

ga.js

55 ms

analytics.js

analytics.js

77 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

221 ms

__utm.gif

__utm.gif

28 ms

collect

collect

14 ms

collect

collect

52 ms

logo122.png

logo122.png

214 ms

logo-2x.png

logo-2x.png

214 ms

nav-icon.svg

nav-icon.svg

129 ms

APP3null-gmbh-app-Entwicklung-1024x292.jpg

APP3null-gmbh-app-Entwicklung-1024x292.jpg

217 ms

kontact.png

kontact.png

216 ms

316338643.png

316338643.png

219 ms

Fit-auf-Reisen-600x434.png

Fit-auf-Reisen-600x434.png

249 ms

3iphones-600x434.png

3iphones-600x434.png

425 ms

trackfox-on-computer.jpg

trackfox-on-computer.jpg

430 ms

coachfitness-2-600x434.jpg

coachfitness-2-600x434.jpg

433 ms

taxi-on-monitor.jpg

taxi-on-monitor.jpg

430 ms

NauticDict-2-600x434.jpg

NauticDict-2-600x434.jpg

429 ms

Kunden-von-APP3null.png

Kunden-von-APP3null.png

454 ms

show-grid.svg

show-grid.svg

318 ms

regular.svg

regular.svg

330 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

327 ms

zocial-regular-webfont.woff

zocial-regular-webfont.woff

436 ms

app3null.com

app3null.com

761 ms

ajax-loader.gif

ajax-loader.gif

519 ms

logo122.png

logo122.png

241 ms

logo-2x.png

logo-2x.png

448 ms

kontact.png

kontact.png

568 ms

APP3null-gmbh-app-Entwicklung-1024x292.jpg

APP3null-gmbh-app-Entwicklung-1024x292.jpg

682 ms

316338643.png

316338643.png

553 ms

Fit-auf-Reisen-600x434.png

Fit-auf-Reisen-600x434.png

985 ms

3iphones-600x434.png

3iphones-600x434.png

984 ms

trackfox-on-computer.jpg

trackfox-on-computer.jpg

1102 ms

NauticDict-2-600x434.jpg

NauticDict-2-600x434.jpg

789 ms

taxi-on-monitor.jpg

taxi-on-monitor.jpg

1056 ms

coachfitness-2-600x434.jpg

coachfitness-2-600x434.jpg

1003 ms

Kunden-von-APP3null.png

Kunden-von-APP3null.png

1545 ms

ajax-loader.gif

ajax-loader.gif

919 ms

2198769854.png

2198769854.png

893 ms

Accessibility Review

app3null.com accessibility score

72

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 match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

app3null.com 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

app3null.com SEO score

90

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise App3null.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that App3null.com 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

app3null.com

Open Graph data is detected on the main page of App3 Null. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: