Analyze

jackslab.org: Jack's Lab

Page load speed analysis

  • 53/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    3.8 sec

  • Resources loaded

    43.3 sec

  • Page rendered

    1.1 sec

  • Total page load time

    48.2 sec

Visit jackslab.org now to see the best up-to-date Jack S Lab content for Russia and also check out these interesting facts you probably never knew about jackslab.org

We analyzed Jackslab.org page load time and found that the first response time was 3.8 sec and then it took 44.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 15 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Page optimization

  • HTML 50.9 kB
    Images 7.0 kB
    Javascripts 188.4 kB
    CSS 58.5 kB

    In fact, the total size of Jackslab.org main page is 304.7 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. 15% of websites need less resources to load. Javascripts take 188.4 kB which makes up the majority of the site volume.

    • Original 50.9 kB
    • After minification 28.8 kB
    • After compression 6.9 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 22.1 kB, which is 43% 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 44.0 kB or 86% of the original size.

    • Original 7.0 kB
    • After optimization 6.9 kB

    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. Jack S Lab images are well optimized though.

    • Original 188.4 kB
    • After minification 178.6 kB
    • After compression 61.3 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 127.1 kB or 67% of the original size.

    • Original 58.5 kB
    • After minification 45.5 kB
    • After compression 9.7 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. Jackslab.org needs all CSS files to be minified and compressed as it can save up to 48.9 kB or 83% of the original size.

Network requests diagram

  • www.jackslab.org
  • style.css
  • light.css
  • jquery.fancybox-1.3.4.css
  • jquery.min.js
  • jquery-ui-1.8.5.custom.min.js
  • jquery.shortcodes.js
  • comment-reply.js
  • jquery.easing.1.3.js
  • jquery.jplayer.min.js
  • jquery.masonry.min.js
  • jquery.fancybox-1.3.4.pack.js
  • shCoreDjango.css
  • shCore.js
  • shAutoloader.js
  • jquery.custom.js
  • body_bg.gif
  • line.png
  • logo.png
  • overlay.png
  • android-hack-logo.jpg
  • sprite.png
  • kernel-debug.jpg
  • omiwif.png
  • oflower.jpg
  • oradio-log.jpg
  • eprs-blog.png
  • mips-arch-logo2.jpg
  • arch-sparc-360.jpg
  • arch-ppc-360.jpg
  • bootloader-yamon-360x268.jpg
  • bootloader-uboot-360x268.jpg
  • bootloader-cfe-360x268.jpg
  • climber-fz-360.jpg
  • climber-kz-360.jpg
  • 001-360x279.jpg

Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Jackslab.org and no external sources were called. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Jackslab.org.

Additional info on jackslab.org

Requests

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jack S Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

10

Javascripts

6

Images

4

CSS

20

All

Possible request optimization

1

Javascripts

6

Images

1

CSS

12

Optimized

8

All

Normal result

IP address

Jackslab.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

jackslab.org

wiki.jackslab.org

42.121.85.30

DNS records

Type Host Target/ip TTL Other

Language and encoding

Good result

Language

ZH zh language flag

Detected

ZH zh language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jackslab.org can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Jackslab.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

Jackslab.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 1.9% of all visits is Russia. It lies approximately 2260 miles away from the server location (China) and such a distance cannot critically affect website speed, but moving the server closer to their user base in Russia can speed up Jackslab.org page load time anyway.

Normal result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Jack S Lab. 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:

jackslab.org

Share this report in social media

Analyze another website

Analyze