2.5 sec in total
595 ms
1.7 sec
179 ms
Visit healthlibrary.stanford.edu now to see the best up-to-date Health Library Stanford content for United States and also check out these interesting facts you probably never knew about healthlibrary.stanford.edu
Visit healthlibrary.stanford.eduWe analyzed Healthlibrary.stanford.edu page load time and found that the first response time was 595 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
healthlibrary.stanford.edu performance score
name
value
score
weighting
Value12.2 s
0/100
10%
Value16.2 s
0/100
25%
Value12.2 s
3/100
10%
Value1,720 ms
10/100
30%
Value0
100/100
15%
Value19.0 s
3/100
10%
595 ms
253 ms
171 ms
252 ms
171 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 93% of them (39 requests) were addressed to the original Healthlibrary.stanford.edu, 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (595 ms) belongs to the original domain Healthlibrary.stanford.edu.
Page size can be reduced by 137.7 kB (55%)
251.8 kB
114.1 kB
In fact, the total size of Healthlibrary.stanford.edu main page is 251.8 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 105.1 kB which makes up the majority of the site volume.
Potential reduce by 19.4 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 3.1 kB, which is 12% 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 19.4 kB or 79% of the original size.
Potential reduce by 2.8 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. Health Library Stanford images are well optimized though.
Potential reduce by 60.3 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 60.3 kB or 57% of the original size.
Potential reduce by 55.2 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. Healthlibrary.stanford.edu needs all CSS files to be minified and compressed as it can save up to 55.2 kB or 85% of the original size.
Number of requests can be reduced by 25 (61%)
41
16
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Health Library 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 10 to 1 for CSS and as a result speed up the page load time.
healthlibrary.stanford.edu
595 ms
yahoo-dom-event.js
253 ms
AC_RunActiveContent.js
171 ms
swfobject.js
252 ms
main_sm.css
171 ms
styles.css
172 ms
siteparams.js
172 ms
basic_functions_sm.js
347 ms
main_layoutextras_sm.css
262 ms
checkFlashV8.js
261 ms
framework.css
94 ms
webAuthorStyles.css
91 ms
shc.css
86 ms
5tabs.css
85 ms
1col.css
87 ms
bg_with_left_col.gif
98 ms
bg_brand_noline.gif
169 ms
logo_header_healthlib.png
166 ms
button_search.gif
97 ms
home-help-package.gif
165 ms
playarrow_red.gif
95 ms
home-other-languages.png
273 ms
spacer.gif
173 ms
bc-languages.jpg
175 ms
selector-min.js
244 ms
ga.js
38 ms
flashbanner_nonflash.jpg
381 ms
boxlabel_bkgnd.jpg
242 ms
bg_nav_nocorner_grad.gif
244 ms
bg_nav_0_grad.gif
245 ms
bg_superheader_blank.gif
305 ms
logo_stanfordMedicine_sprite.gif
310 ms
bg_superheader_li.gif
309 ms
logo_su_sprite.png
396 ms
globalFooter_bg.gif
315 ms
logo_irt_tiny.gif
388 ms
FrutigerLTStd-BoldCn.otf
482 ms
FrutigerLTStd-LightCn.otf
487 ms
__utm.gif
11 ms
__utm.gif
15 ms
iPhone.css
88 ms
print.css
87 ms
healthlibrary.stanford.edu accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-*] attributes do not have valid values
[aria-*] attributes are not valid or misspelled
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
healthlibrary.stanford.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
healthlibrary.stanford.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Healthlibrary.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 Healthlibrary.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.
healthlibrary.stanford.edu
Open Graph description is not detected on the main page of Health Library 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: