Tools & Wizards About Us
ortho.stanford.edu screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

ortho.stanford.edu

Orthopaedic Surgery | Stanford Medicine

Page Load Speed

4.3 sec in total

First Response

751 ms

Resources Loaded

3.3 sec

Page Rendered

290 ms

ortho.stanford.edu screenshot

About Website

Click here to check amazing Ortho Stanford content for United States. Otherwise, check out these important facts you probably never knew about ortho.stanford.edu

Visit ortho.stanford.edu

Key Findings

We analyzed Ortho.stanford.edu page load time and found that the first response time was 751 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ortho.stanford.edu performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.6 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value7,980 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value33.3 s

0/100

10%

Network Requests Diagram

ortho.stanford.edu

751 ms

css

29 ms

satelliteLib-31367a551e48d2f5c09eef9ae33fbefa973adbbb.js

71 ms

collapse_text.eec1c350dcf273de9d109b12a13a9f5a.css

165 ms

navigation.d81444819b1cfe2e96ad2cd8c7823012.css

167 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 70% of them (54 requests) were addressed to the original Ortho.stanford.edu, 8% (6 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Ortho.stanford.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (67%)

Content Size

3.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ortho.stanford.edu main page is 3.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 60.5 kB

  • Original 71.9 kB
  • After minification 56.1 kB
  • After compression 11.4 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 15.8 kB, which is 22% 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 60.5 kB or 84% of the original size.

Image Optimization

-11%

Potential reduce by 90.3 kB

  • Original 832.9 kB
  • After minification 742.6 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. Obviously, Ortho Stanford needs image optimization as it can save up to 90.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-84%

Potential reduce by 1.3 MB

  • Original 1.6 MB
  • After minification 841.5 kB
  • After compression 253.0 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 1.3 MB or 84% of the original size.

CSS Optimization

-90%

Potential reduce by 734.1 kB

  • Original 819.0 kB
  • After minification 738.6 kB
  • After compression 84.9 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. Ortho.stanford.edu needs all CSS files to be minified and compressed as it can save up to 734.1 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (62%)

Requests Now

69

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ortho 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 34 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ortho.stanford.edu

ortho.stanford.edu

751 ms

css

css

29 ms

satelliteLib-31367a551e48d2f5c09eef9ae33fbefa973adbbb.js

satelliteLib-31367a551e48d2f5c09eef9ae33fbefa973adbbb.js

71 ms

collapse_text.eec1c350dcf273de9d109b12a13a9f5a.css

collapse_text.eec1c350dcf273de9d109b12a13a9f5a.css

165 ms

navigation.d81444819b1cfe2e96ad2cd8c7823012.css

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167 ms

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168 ms

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421 ms

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256 ms

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248 ms

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250 ms

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416 ms

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617 ms

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333 ms

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332 ms

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785 ms

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498 ms

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425 ms

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498 ms

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506 ms

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588 ms

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583 ms

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587 ms

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595 ms

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758 ms

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673 ms

jquery.d7c42e4a257b8b9fe38d1c53dd20d01a.js

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670 ms

jquery.royalslider.js

jquery.royalslider.js

771 ms

holderjs.82791be67835b3cea68b279494b0511b.js

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707 ms

jquery.touchSwipe.js

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755 ms

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757 ms

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878 ms

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880 ms

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881 ms

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1019 ms

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882 ms

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883 ms

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991 ms

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1289 ms

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11 ms

mbox-contents-6096c37e249258b28d4c020efef2602ca5a2c341.js

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51 ms

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10 ms

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15 ms

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5 ms

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13 ms

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90 ms

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707 ms

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708 ms

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53 ms

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129 ms

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61 ms

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58 ms

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94 ms

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92 ms

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8 ms

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321 ms

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Accessibility Review

ortho.stanford.edu accessibility score

85

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

[aria-*] attributes are not valid or misspelled

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

Best Practices

ortho.stanford.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ortho.stanford.edu SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

Social Sharing Optimization

ortho.stanford.edu

Open Graph description is not detected on the main page of Ortho 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: