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construction21.org: Construction21, the social media for sustainable buildings & cities

Page load speed analysis

  • 62/100

    Normal result
  • 8

    Successful tests
  • 0

    Failed test
  • First response

    278 ms

  • Resources loaded

    3.7 sec

  • Page rendered

    1.1 sec

  • Total page load time

    5.1 sec

Welcome to construction21.org homepage info - get ready to check Construction21 best content for France right away, or after learning these important things about construction21.org

We analyzed Construction21.org page load time and found that the first response time was 278 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.

Page optimization

  • HTML 113.2 kB
    Images 2.4 MB
    Javascripts 1.4 MB
    CSS 500 B

    In fact, the total size of Construction21.org main page is 3.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.4 MB which makes up the majority of the site volume.

    • Original 113.2 kB
    • After minification 100.1 kB
    • After compression 25.3 kB

    HTML optimization

    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 13.1 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 87.9 kB or 78% of the original size.

    • Original 2.4 MB
    • After optimization 2.2 MB

    Image optimization

    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. Construction21 images are well optimized though.

    • Original 1.4 MB
    • After minification 1.4 MB
    • After compression 430.6 kB

    JavaScript optimization

    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 996.2 kB or 70% of the original size.

    • Original 500 B
    • After minification 456 B
    • After compression 244 B

    CSS optimization

    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. Construction21.org needs all CSS files to be minified and compressed as it can save up to 256 B or 51% of the original size.

Network requests diagram

  • construction21.org
  • www.construction21.org
  • maincss-min.css
  • gencss-min.css
  • bootstrap.min.css
  • style.min.css
  • font-awesome.min.css
  • ext-base-min.js
  • ext-all-min.js
  • jquery-2.1.1.min.js
  • auth.js
  • libs-min.js
  • parallax-slider.min.css
  • perfect-scrollbar-0.4.10.min.css
  • revolution-slider.css
  • layerslider.css
  • langjs-min.js
  • owl.carousel.js
  • owl-carousel.js
  • bootstrap.min.js
  • app.min.js
  • jquery.flexslider-min.js
  • jquery.themepunch.tools.min.js
  • jquery.themepunch.revolution.min.js
  • revolution_slider.js
  • index.min.js
  • perfect-scrollbar-0.4.10.with-mousewheel.min.js
  • jquery.cookiesdirective.min.js
  • addthis_widget.js
  • app.min.css
  • plugins.min.css
  • animate.min.css
  • box-shadows.min.css
  • css
  • construction21collectiveintelligencesustainable-buildings.png
  • linkedin.jpg
  • pinterest-logo.jpg
  • C21_home.png
  • fr.png
  • de.png
  • es.png
  • lt.png
  • it.png
  • ro.png
  • be.png
  • lu.png
  • ma.png
  • dz.png
  • 1x1.png
  • wgbc-study-cover.jpg
  • ida-report.png
  • beatrice-gravier.jpg
  • couvppt3dec.jpg
  • bimbanniere728x90anime16-avec-codeeng3.gif
  • biophilic-1.png
  • roger-leron-award-2016.jpg
  • remourban.jpg
  • naturata0.jpg
  • 1.jpg
  • site-concept.jpg
  • 189756eikenottbetterlife201567jpg1.jpg
  • anrupdf-255-axelcoeuret.jpg
  • pzsonderborg-fra-luften025.jpg
  • default.jpg
  • default.jpg
  • banner-city21-eng.gif
  • velux2005-web2.jpg
  • logo-sillia-vl.png
  • r20.png
  • CC.png
  • timer.png
  • fontawesome-webfont.woff
  • cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
  • DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
  • piwik.js
  • analytics.js
  • loader.gif
  • bullet.png
  • large_left.png
  • large_right.png
  • header_320.jpg
  • tip-sprite.gif
  • glyphicons-halflings-regular.woff
  • collect
  • pinterest-logo.jpg
  • construction21collectiveintelligencesustainable-buildings.png
  • linkedin.jpg
  • 300lo.json
  • sh.7c7179124ea24ac6ba46caac.html

Our browser made a total of 89 requests to load all elements on the main page. We found that 88% of them (78 requests) were addressed to the original Construction21.org, 3% (3 requests) were made to Construction21.eu and 2% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Construction21.org.

Additional info on construction21.org

Requests

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Construction21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

21

Javascripts

44

Images

14

CSS

1

AJAX

80

All

Possible request optimization

1

Javascripts

35

Images

1

CSS

1

AJAX

42

Optimized

38

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.construction21.org/ before it reached this domain.

IP address

Construction21.org uses IP address which is currently shared with 1 other domain. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

construction21.org

construction21.eu

146.88.233.195

DNS records

Type Host Target/ip TTL Other
A

construction21.org

146.88.233.195 14400
NS

construction21.org

hybrid980.fr.ns.planethoster.net 86400
NS

construction21.org

hybrid980-1.fr.ns.planethoster.net 86400
SOA

construction21.org

86400 Mname: hybrid980.fr.ns.planethoster.net
Rname: report.planethoster.info
Serial: 2019021201
Refresh: 3600
Retry: 7200
Expire: 1209600
Minimum-ttl: 86400
MX

construction21.org

construction21.org 14400 Pri: 0

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Construction21.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 Construction21.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.

HTTPS certificate

SSL Certificate

Construction21.org has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 47.2% of all visits is France. It’s good for Construction21.org that their server is also located in France, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

Open Graph description is not detected on the main page of Construction21. 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:

construction21.org

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