Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

Page Load Speed

3.3 sec in total

First Response

589 ms

Resources Loaded

2.6 sec

Page Rendered

135 ms

patienteducation.stanford.edu screenshot

About Website

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Key Findings

We analyzed Patienteducation.stanford.edu page load time and found that the first response time was 589 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

patienteducation.stanford.edu performance score

0

Network Requests Diagram

patienteducation.stanford.edu

589 ms

yahoo-dom-event.js

336 ms

AC_RunActiveContent.js

170 ms

swfobject.js

252 ms

external.css

1143 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 72% of them (21 requests) were addressed to the original Patienteducation.stanford.edu, 17% (5 requests) were made to Med.stanford.edu and 10% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Med.stanford.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 399.4 kB (70%)

Content Size

568.8 kB

After Optimization

169.4 kB

In fact, the total size of Patienteducation.stanford.edu main page is 568.8 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. Javascripts take 279.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.9 kB

  • Original 35.3 kB
  • After minification 27.9 kB
  • After compression 6.4 kB

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 7.4 kB, which is 21% 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 28.9 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 1.2 kB

  • Original 34.2 kB
  • After minification 33.0 kB

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. Patienteducation Stanford images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 184.5 kB

  • Original 279.7 kB
  • After minification 253.3 kB
  • After compression 95.3 kB

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 184.5 kB or 66% of the original size.

CSS Optimization

-84%

Potential reduce by 184.9 kB

  • Original 219.6 kB
  • After minification 194.8 kB
  • After compression 34.7 kB

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. Patienteducation.stanford.edu needs all CSS files to be minified and compressed as it can save up to 184.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (56%)

Requests Now

27

After Optimization

12

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Patienteducation Stanford. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

SEO Factors

patienteducation.stanford.edu SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Patienteducation.stanford.edu 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 Patienteducation.stanford.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Patienteducation Stanford. 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: