Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

Page Load Speed

12.4 sec in total

First Response

1.6 sec

Resources Loaded

10.2 sec

Page Rendered

570 ms

elcm.stanford.edu screenshot

About Website

Visit elcm.stanford.edu now to see the best up-to-date Elcm Stanford content for United States and also check out these interesting facts you probably never knew about elcm.stanford.edu

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Key Findings

We analyzed Elcm.stanford.edu page load time and found that the first response time was 1.6 sec and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

elcm.stanford.edu performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

elcm.stanford.edu

1617 ms

wp-emoji-release.min.js

742 ms

css

25 ms

genericons.css

1229 ms

style.css

2845 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Elcm.stanford.edu, 50% (10 requests) were made to Web.stanford.edu and 40% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source Web.stanford.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 246.7 kB (35%)

Content Size

704.1 kB

After Optimization

457.4 kB

In fact, the total size of Elcm.stanford.edu main page is 704.1 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. Images take 433.9 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 12.0 kB

  • Original 18.1 kB
  • After minification 17.5 kB
  • After compression 6.0 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. 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 12.0 kB or 67% of the original size.

Image Optimization

-12%

Potential reduce by 53.0 kB

  • Original 433.9 kB
  • After minification 380.9 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, Elcm Stanford needs image optimization as it can save up to 53.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 82.2 kB

  • Original 125.1 kB
  • After minification 123.1 kB
  • After compression 42.9 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 82.2 kB or 66% of the original size.

CSS Optimization

-78%

Potential reduce by 99.4 kB

  • Original 127.0 kB
  • After minification 106.3 kB
  • After compression 27.6 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. Elcm.stanford.edu needs all CSS files to be minified and compressed as it can save up to 99.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (55%)

Requests Now

11

After Optimization

5

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elcm 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 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

elcm.stanford.edu accessibility score

96

Accessibility Issues

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

elcm.stanford.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

elcm.stanford.edu SEO score

84

Search Engine Optimization Advices

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 Elcm.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 Elcm.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

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