Report Summary

  • 35

    Performance

    Renders faster than
    54% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cemb.upenn.edu

Mechanobiology | Center for Engineering MechanoBiology | CEMB

Page Load Speed

4.1 sec in total

First Response

29 ms

Resources Loaded

3.4 sec

Page Rendered

584 ms

cemb.upenn.edu screenshot

About Website

Visit cemb.upenn.edu now to see the best up-to-date CEMB Upenn content for United States and also check out these interesting facts you probably never knew about cemb.upenn.edu

The Center for Engineering MechanoBiology Understanding and harnessing the power of mechanics in tissue, cell, and molecule behavior across the plant and animal kingdoms What is mechanobiology? Explor...

Visit cemb.upenn.edu

Key Findings

We analyzed Cemb.upenn.edu page load time and found that the first response time was 29 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cemb.upenn.edu performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.1 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

cemb.upenn.edu

29 ms

cemb.upenn.edu

3121 ms

js

62 ms

style.min.css

38 ms

ctf-styles.min.css

28 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 97% of them (102 requests) were addressed to the original Cemb.upenn.edu, 2% (2 requests) were made to Platform.twitter.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Cemb.upenn.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (43%)

Content Size

6.7 MB

After Optimization

3.8 MB

In fact, the total size of Cemb.upenn.edu main page is 6.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 166.7 kB

  • Original 192.9 kB
  • After minification 192.1 kB
  • After compression 26.2 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 166.7 kB or 86% of the original size.

Image Optimization

-8%

Potential reduce by 267.2 kB

  • Original 3.5 MB
  • After minification 3.2 MB

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. CEMB Upenn images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 561.9 kB

  • Original 808.3 kB
  • After minification 808.3 kB
  • After compression 246.4 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 561.9 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 1.9 MB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 291.1 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. Cemb.upenn.edu needs all CSS files to be minified and compressed as it can save up to 1.9 MB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 73 (74%)

Requests Now

99

After Optimization

26

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CEMB Upenn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 70 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cemb.upenn.edu accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

cemb.upenn.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

cemb.upenn.edu SEO score

86

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

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 Cemb.upenn.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 Cemb.upenn.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 data is detected on the main page of CEMB Upenn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: