Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

know-why.net

KNOW-WHY.NET

Page Load Speed

1.9 sec in total

First Response

447 ms

Resources Loaded

1.4 sec

Page Rendered

126 ms

know-why.net screenshot

About Website

Welcome to know-why.net homepage info - get ready to check KNOW WHY best content for Germany right away, or after learning these important things about know-why.net

KNOW-WHY.NET is the international platform to exchange knowledge about the interconnections of topics from all kind of fields.

Visit know-why.net

Key Findings

We analyzed Know-why.net page load time and found that the first response time was 447 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

know-why.net performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value5.0 s

62/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

Network Requests Diagram

www.know-why.net

447 ms

bootstrap.min.css

10 ms

bootstrap-theme.min.css

9 ms

font-awesome.min.css

19 ms

index_201602291400.css

183 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 50% of them (7 requests) were addressed to the original Know-why.net, 36% (5 requests) were made to Maxcdn.bootstrapcdn.com and 7% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (579 ms) belongs to the original domain Know-why.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 340.4 kB (75%)

Content Size

452.9 kB

After Optimization

112.6 kB

In fact, the total size of Know-why.net main page is 452.9 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. 30% of websites need less resources to load. Javascripts take 262.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.0 kB

  • Original 20.5 kB
  • After minification 18.2 kB
  • After compression 4.5 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 2.3 kB, which is 11% 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 16.0 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 345 B

  • Original 6.5 kB
  • After minification 6.2 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. KNOW WHY images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 188.7 kB

  • Original 262.6 kB
  • After minification 262.5 kB
  • After compression 74.0 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 188.7 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 135.3 kB

  • Original 163.2 kB
  • After minification 163.1 kB
  • After compression 27.9 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. Know-why.net needs all CSS files to be minified and compressed as it can save up to 135.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (75%)

Requests Now

12

After Optimization

3

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KNOW WHY. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

know-why.net accessibility score

90

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

know-why.net 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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

know-why.net SEO score

95

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Know-why.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Know-why.net 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 description is not detected on the main page of KNOW WHY. 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: