Analyze

infolab.usc.edu: InfoLab | Welcome

Page load speed analysis

  • 74/100

    Good result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    227 ms

  • Resources loaded

    1.2 sec

  • Page rendered

    205 ms

  • Total page load time

    1.7 sec

Click here to check amazing Info Lab Usc content for United States. Otherwise, check out these important facts you probably never knew about infolab.usc.edu

We analyzed Infolab.usc.edu page load time and found that the first response time was 227 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Page optimization

  • HTML 9.1 kB
    Images 487.8 kB
    Javascripts 2.5 kB
    CSS 4.6 kB

    In fact, the total size of Infolab.usc.edu main page is 503.9 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. 20% of websites need less resources to load. Images take 487.8 kB which makes up the majority of the site volume.

    • Original 9.1 kB
    • After minification 8.7 kB
    • After compression 3.0 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 6.2 kB or 68% of the original size.

    • Original 487.8 kB
    • After optimization 430.0 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. Obviously, Info Lab Usc needs image optimization as it can save up to 57.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 2.5 kB
    • After minification 1.6 kB
    • After compression 665 B

    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 1.8 kB or 73% of the original size.

    • Original 4.6 kB
    • After minification 3.4 kB
    • After compression 1.1 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. Infolab.usc.edu needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 76% of the original size.

Network requests diagram

  • infolab.usc.edu
  • style.css
  • jqueryslidemenu.css
  • jquery.min.js
  • jquery-ui.min.js
  • jqueryslidemenu.js
  • container-back.png
  • header.png
  • pyramid.png
  • down.gif

Our browser made a total of 10 requests to load all elements on the main page. We found that 80% of them (8 requests) were addressed to the original Infolab.usc.edu, 20% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (813 ms) belongs to the original domain Infolab.usc.edu.

Additional info on infolab.usc.edu

Requests

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Info Lab Usc. According to our analytics all requests are already optimized.

3

Javascripts

4

Images

2

CSS

9

All

Possible request optimization

3

Javascripts

4

Images

2

CSS

0

Optimized

9

All

Good result

IP address

Infolab.usc.edu 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

DNS records

Type Host Target/ip TTL Other
A

infolab.usc.edu

68.181.32.105 54

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 Infolab.usc.edu 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 Infolab.usc.edu 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

Infolab.usc.edu 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 68.2% of all visits is United States. It’s good for Infolab.usc.edu 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 Info Lab Usc. 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:

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