Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

passivehouse-international.org

International Passive House Association | Index

Page Load Speed

2.8 sec in total

First Response

356 ms

Resources Loaded

2.2 sec

Page Rendered

275 ms

passivehouse-international.org screenshot

About Website

Welcome to passivehouse-international.org homepage info - get ready to check Passive House International best content for Turkey right away, or after learning these important things about passivehouse-international.org

iPHA: The international network for Passive House knowledge; promoting the Passive House Standard worldwide

Visit passivehouse-international.org

Key Findings

We analyzed Passivehouse-international.org page load time and found that the first response time was 356 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

passivehouse-international.org performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

passivehouse-international.org

356 ms

jquery-1.7.2.min.js

367 ms

jquery.tooltip.js

186 ms

jquery.dataTables.nightly.js

388 ms

jquery-ui-1.8.21.custom.min.js

550 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 59% of them (38 requests) were addressed to the original Passivehouse-international.org, 11% (7 requests) were made to O.twimg.com and 6% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (659 ms) belongs to the original domain Passivehouse-international.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 711.1 kB (45%)

Content Size

1.6 MB

After Optimization

882.9 kB

In fact, the total size of Passivehouse-international.org main page is 1.6 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. 50% of websites need less resources to load. Images take 925.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 35.0 kB

  • Original 45.8 kB
  • After minification 43.9 kB
  • After compression 10.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 35.0 kB or 77% of the original size.

Image Optimization

-25%

Potential reduce by 227.2 kB

  • Original 925.8 kB
  • After minification 698.6 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. Obviously, Passive House International needs image optimization as it can save up to 227.2 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 409.4 kB

  • Original 575.2 kB
  • After minification 549.9 kB
  • After compression 165.8 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 409.4 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 39.4 kB

  • Original 47.1 kB
  • After minification 39.4 kB
  • After compression 7.7 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. Passivehouse-international.org needs all CSS files to be minified and compressed as it can save up to 39.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (48%)

Requests Now

61

After Optimization

32

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Passive House International. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

passivehouse-international.org accessibility score

56

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

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

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

Best Practices

passivehouse-international.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

SEO Factors

passivehouse-international.org SEO score

58

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Passivehouse-international.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Passivehouse-international.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 description is not detected on the main page of Passive House International. 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: