Analyze

central51.net: Central School District 51

Page load speed analysis

  • 56/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    127 ms

  • Resources loaded

    11.2 sec

  • Page rendered

    507 ms

  • Total page load time

    11.8 sec

Visit central51.net now to see the best up-to-date Central 51 content for United States and also check out these interesting facts you probably never knew about central51.net

We analyzed Central51.net page load time and found that the first response time was 127 ms and then it took 11.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Page optimization

  • HTML 259.4 kB
    Images 1.2 MB
    Javascripts 681.4 kB
    CSS 159.6 kB

    In fact, the total size of Central51.net main page is 2.3 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. 80% 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 1.2 MB which makes up the majority of the site volume.

    • Original 259.4 kB
    • After minification 257.5 kB
    • After compression 110.1 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. 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 149.3 kB or 58% of the original size.

    • Original 1.2 MB
    • After optimization 1.1 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. Central 51 images are well optimized though.

    • Original 681.4 kB
    • After minification 578.3 kB
    • After compression 135.5 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 545.9 kB or 80% of the original size.

    • Original 159.6 kB
    • After minification 113.1 kB
    • After compression 22.0 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. Central51.net needs all CSS files to be minified and compressed as it can save up to 137.6 kB or 86% of the original size.

Network requests diagram

  • central51.net
  • default.aspx
  • OpenSans-Light.css
  • OpenSans-Italic.css
  • OpenSans-Regular.css
  • OpenSans-SemiBold.css
  • jquery.jgrowl.css
  • system.css
  • apps.css
  • jQueryUI.css
  • SchoolwiresMobile.css
  • jquery.min.js
  • jquery-migrate-1.2.1.js
  • swfobject.js
  • css
  • joey.jQuery.canvasIcons.min.js
  • simple.creative.GalleryRotate.jQuery.min.js
  • jflickrfeed.js
  • jquery-ui.min.js
  • SW-UI.min.js
  • Initialize.js
  • swfobject.min.js
  • jquery.ajaxupload.min.js
  • json2.js
  • CheckScript.js
  • ga.js
  • gb-background.png
  • sw-mystart-background.png
  • sw-mystart-home.png
  • sw-mystart-search.png
  • texture.png
  • hp-header-background.png
  • gb-channel-bar-overlay.png
  • gb-content-top.png
  • gb-content-repeat.png
  • btn-toolbar-rss.png
  • hp-column-two-top.png
  • gb-header-overlay.png
  • Bus%20ad.png
  • hp-column-two-bottom.png
  • gb-content-bottom.png
  • gb-footer-background.png
  • sw-footer-overlay.png
  • sw-footer-logo.png
  • overlay-modal-background.png
  • BCFBp4rt5gxxFrX6F12DKvesZW2xOQ-xsNqO47m55DA.woff
  • district_logo.png
  • 6th_picnic.JPG
  • 20141105_100049.jpg
  • star-v3.png
  • viewer
  • __utm.gif
  • external-combined.min.js
  • Utilities.js
  • 7th_city_math.jpg
  • rs=AC2dHMLPQJYjKUqMTbGmFJEmzF5K7we4-Q
  • rs=AC2dHMK-JTlPqSUBQYyYoasMatQhEb1wHQ
  • client.js
  • cb=gapi.loaded_0
  • v-sprite19.svg

Our browser made a total of 60 requests to load all elements on the main page. We found that 77% of them (46 requests) were addressed to the original Central51.net, 5% (3 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (10 sec) relates to the external source Docs.google.com.

Additional info on central51.net

Requests

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Central 51. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

17

Javascripts

26

Images

11

CSS

3

AJAX

57

All

Possible request optimization

1

Javascripts

14

Images

1

CSS

3

AJAX

38

Optimized

19

All

Normal result

Redirects

As for redirects, our browser was forwarded to /site/default.aspx?PageID=1 before it reached this domain.

IP address

Central51.net uses IP addresses which are currently shared with 9 other domains. The more sites share the same stack of IP addresses, 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.

Good result

IP Trace

central51.net

prairiehome.k12.mo.us

sd161.org

hvrsd.org

robeson.k12.nc.us

18.205.164.210

central51.net

msad37.org

hvrsd.org

robeson.k12.nc.us

yorkprepsc.org

34.239.8.8

central51.net

blainesd.org

sd161.org

hvrsd.org

usd231.com

35.153.123.141

central51.net

blainesd.org

sd161.org

hvrsd.org

robeson.k12.nc.us

52.20.37.121

central51.net

medfield.net

msad37.org

hvrsd.org

robeson.k12.nc.us

52.202.234.28

DNS records

Type Host Target/ip TTL Other
A

central51.net

52.71.160.119 300
NS

central51.net

ns25.worldnic.com 7200
NS

central51.net

ns26.worldnic.com 7200
SOA

central51.net

7200 Mname: NS25.WORLDNIC.COM
Rname: namehost.WORLDNIC.COM
Serial: 120061213
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum-ttl: 3600
MX

central51.net

alt3.aspmx.l.google.com 3600 Pri: 10

HTTPS certificate

SSL Certificate

Central51.net 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 100% of all visits is United States. It’s good for Central51.net 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

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Central 51. 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:

central51.net

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 Central51.net 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 Central51.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.

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