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Page load speed analysis

  • 33/100

    Normal result
  • 4

    Successful tests
  • 4

    Failed tests
  • First response

    322 ms

  • Resources loaded

    330 ms

  • Page rendered

    0 ms

  • Total page load time

    652 ms

Welcome to isd.usc.edu homepage info - get ready to check Isd Usc best content for United States right away, or after learning these important things about isd.usc.edu

We analyzed Isd.usc.edu page load time and found that the first response time was 322 ms and then it took 330 ms 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.

Page optimization

  • HTML 372 B
    Images 0 B
    Javascripts 0 B
    CSS 0 B

    In fact, the total size of Isd.usc.edu main page is 372 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 372 B which makes up the majority of the site volume.

    • Original 372 B
    • After minification 360 B
    • After compression 230 B

    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 142 B or 38% of the original size.

Network requests diagram

  • isd.usc.edu

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Isd.usc.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (322 ms) belongs to the original domain Isd.usc.edu.

Additional info on isd.usc.edu

Requests

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Poor result

IP address

Isd.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

isd.usc.edu

its.usc.edu

128.125.253.131

DNS records

Type Host Target/ip TTL Other
A

mywiki.usc.edu

128.125.253.24 14
NS

mywiki.usc.edu

mail-mip-gw.usc.edu 4
NS

mywiki.usc.edu

ari-nlb-mip.usc.edu 4
CNAME

isd.usc.edu

mywiki.usc.edu 3599
SOA

mywiki.usc.edu

59 Mname: mail-mip-gw.usc.edu
Rname: root.usc.edu
Serial: 2010080400
Refresh: 3600
Retry: 3
Expire: 3600
Minimum-ttl: 5

Language and encoding

Poor result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

ISO-8859-1

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isd.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 Isd.usc.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

Isd.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 62.8% of all visits is United States. It’s good for Isd.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 Isd 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:

isd.usc.edu

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