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blog.code.org: ANYBODY CAN LEARN

A blog from Code.org. We're a non-profit dedicated to giving every student in every school the opportunity to learn computer programming.

Page load speed analysis

  • 64/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    463 ms

  • Resources loaded

    2 sec

  • Page rendered

    2.1 sec

  • Total page load time

    4.6 sec

Click here to check amazing Blog Code content for United States. Otherwise, check out these important facts you probably never knew about blog.code.org

We analyzed Blog.code.org page load time and found that the first response time was 463 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Page optimization

  • HTML 103.4 kB
    Images 1.5 MB
    Javascripts 1.2 MB
    CSS 361.4 kB

    In fact, the total size of Blog.code.org main page is 3.2 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. 85% 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 1.5 MB which makes up the majority of the site volume.

    • Original 103.4 kB
    • After minification 83.7 kB
    • After compression 22.3 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 19.7 kB, which is 19% 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 81.0 kB or 78% of the original size.

    • Original 1.5 MB
    • After optimization 1.4 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. Blog Code images are well optimized though.

    • Original 1.2 MB
    • After minification 1.2 MB
    • After compression 384.3 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 833.5 kB or 68% of the original size.

    • Original 361.4 kB
    • After minification 361.2 kB
    • After compression 54.8 kB

    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. Blog.code.org needs all CSS files to be minified and compressed as it can save up to 306.6 kB or 85% of the original size.

Network requests diagram

  • blog.code.org
  • pre_tumblelog.js
  • fonts.css
  • jquery-1.9.1.min.js
  • infinitescrolling.js
  • tumblelog_post_message_queue.js
  • index.js
  • 8D809CF53049A844F.css
  • tumblr_o45digwCil1sftw41o1_1280.jpg
  • tumblr_inline_o4398bc5st1s7qct1_500.png
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  • tumblr_o324uvY72O1r3kmkso2_500.gif
  • tumblr_o324uvY72O1r3kmkso4_500.gif
  • tumblr_o324uvY72O1r3kmkso5_500.gif
  • tumblr_o324uvY72O1r3kmkso3_500.gif
  • tumblr_o324uvY72O1r3kmkso1_500.gif
  • tumblr_o45digwCil1sftw41o2_1280.png
  • tumblr_inline_o3uez5SZp21s7qct1_500.jpg
  • tumblr_inline_o3qiyjMpUC1s7qct1_500.png
  • tumblr_inline_o3qiycIdYA1s7qct1_500.png
  • tumblr_inline_o3qpotLvHs1s7qct1_500.jpg
  • tumblr_inline_o3f35vBN9Z1s7qct1_500.png
  • tumblr_o3470x3ECW1sftw41o1_1280.png
  • facebook_purple.png
  • twitter_purple.png
  • zazzle_purple.png
  • logo.png
  • tumblr_inline_o3ony8XbEe1s7qct1_500.png
  • tumblr_o3f5hbUf701sftw41o1_1280.jpg
  • tumblr_inline_o3f3kgf4Z31s7qct1_500.jpg
  • ga.js
  • analytics.js
  • facebook_purple.png
  • zazzle_purple.png
  • logo.png
  • twitter_purple.png
  • widgets.js
  • bMrDHtGHFR4
  • __utm.gif
  • collect
  • 139123754
  • impixu
  • impixu
  • www-embed-player-vflfNyN_r.css
  • www-embed-player.js
  • analytics.html
  • login_check.html
  • button.0308b81ff1714e446f674b5b9793f2cd.js
  • avatar_28670a90198d_40.png
  • iframe_logo.png
  • player.js
  • player.css
  • ga.js
  • vuid.min.js
  • rapid-3.36.js
  • rapidworker-1.2.js
  • fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
  • ad_status.js
  • analytics.js
  • zN7GBFwfMP4uA6AR0HCoLQ.ttf
  • RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
  • cs.js
  • yql
  • __utm.gif
  • __utm.gif
  • proxy.html
  • 534800911.jpg
  • tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html
  • jot.html
  • cedexis.radar.js

Our browser made a total of 70 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Blog.code.org, 13% (9 requests) were made to Code.org and 11% (8 requests) were made to 40.media.tumblr.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source 49.media.tumblr.com.

Additional info on blog.code.org

Requests

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Code. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

20

Javascripts

31

Images

3

CSS

8

AJAX

62

All

Possible request optimization

1

Javascripts

25

Images

3

CSS

8

AJAX

25

Optimized

37

All

Normal result

IP address

Blog.code.org uses IP address which is currently shared with 4 other domains. 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.

Poor result

IP Trace

blog.code.org

nescafe.it

letterheady.com

nescafe.com

nescafe.com.tr

66.6.32.22

66.6.33.22

DNS records

Type Host Target/ip TTL Other
A

domains.tumblr.com

66.6.33.22 295
A

domains.tumblr.com

66.6.32.22 295
CNAME

blog.code.org

domains.tumblr.com 295

Language and encoding

Normal result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

UTF-8

Claimed

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

Blog.code.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 58.7% of all visits is United States. It’s good for Blog.code.org that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Good result

Social Sharing Optimization

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

blog.code.org

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