Analyze

register.clinicaltrials.gov: ClinicalTrials.gov PRS: Login

Page load speed analysis

  • 95/100

    Good result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    82 ms

  • Resources loaded

    273 ms

  • Page rendered

    109 ms

  • Total page load time

    464 ms

Click here to check amazing Register Clinical Trials content for United States. Otherwise, check out these important facts you probably never knew about register.clinicaltrials.gov

We analyzed Register.clinicaltrials.gov page load time and found that the first response time was 82 ms and then it took 382 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 5.8 kB
    Images 0 B
    Javascripts 12.0 kB
    CSS 37.7 kB

    In fact, the total size of Register.clinicaltrials.gov main page is 55.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 10% of websites need less resources to load. CSS take 37.7 kB which makes up the majority of the site volume.

    • Original 5.8 kB
    • After minification 5.2 kB
    • After compression 2.1 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 3.7 kB or 64% of the original size.

    • Original 12.0 kB
    • After minification 5.2 kB
    • After compression 1.3 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 10.7 kB or 89% of the original size.

    • Original 37.7 kB
    • After minification 24.2 kB
    • After compression 4.7 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. Register.clinicaltrials.gov needs all CSS files to be minified and compressed as it can save up to 33.0 kB or 87% of the original size.

Network requests diagram

  • register.clinicaltrials.gov
  • Script.js
  • data-entry.css
  • fda-left.gif
  • autosuggest.css
  • working.gif

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Register.clinicaltrials.gov and no external sources were called. The less responsive or slowest element that took the longest time to load (156 ms) belongs to the original domain Register.clinicaltrials.gov.

Additional info on register.clinicaltrials.gov

Requests

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Register Clinical Trials. According to our analytics all requests are already optimized.

1

Javascripts

2

Images

2

CSS

5

All

Possible request optimization

1

Javascripts

2

Images

2

CSS

0

Optimized

5

All

Good result

IP address

Register.clinicaltrials.gov 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

register.clinicaltrials.gov

clinicaltrials.gov

prsinfo.clinicaltrials.gov

hapmap.ncbi.nlm.nih.gov

trace.ncbi.nlm.nih.gov

130.14.29.113

DNS records

Type Host Target/ip TTL Other
A

register.clinicaltrials.gov

130.14.29.113 30
AAAA

register.clinicaltrials.gov

30 Ipv6: 2607:f220:41e:4290::113

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 Register.clinicaltrials.gov 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 Register.clinicaltrials.gov 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

Register.clinicaltrials.gov has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 45% of all visits is United States. It’s good for Register.clinicaltrials.gov 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 Register Clinical Trials. 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:

register.clinicaltrials.gov

Share this report in social media

Analyze another website

Analyze