Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

environment.psu.edu

Institute of Energy and the Environment | Penn State

Page Load Speed

505 ms in total

First Response

193 ms

Resources Loaded

199 ms

Page Rendered

113 ms

environment.psu.edu screenshot

About Website

Click here to check amazing Environment Psu content for United States. Otherwise, check out these important facts you probably never knew about environment.psu.edu

The Institute of Energy and the Environment (IEE) at Penn State supports interdisciplinary research to solve some of the world’s most difficult energy and environmental challenges.

Visit environment.psu.edu

Key Findings

We analyzed Environment.psu.edu page load time and found that the first response time was 193 ms and then it took 312 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. This domain responded with an error, which can significantly jeopardize Environment.psu.edu rating and web reputation

Performance Metrics

environment.psu.edu performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

environment.psu.edu

193 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Environment.psu.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (193 ms) belongs to the original domain Environment.psu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 692 B (45%)

Content Size

1.5 kB

After Optimization

848 B

In fact, the total size of Environment.psu.edu main page is 1.5 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 1.5 kB which makes up the majority of the site volume.

HTML Optimization

-45%

Potential reduce by 692 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 848 B

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 692 B or 45% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

environment.psu.edu accessibility score

93

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

[role]s do not have all required [aria-*] attributes

Best Practices

environment.psu.edu best practices score

83

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

High

Browser errors were logged to the console

SEO Factors

environment.psu.edu SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Environment.psu.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Environment.psu.edu main page’s claimed encoding is windows-1252. 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 Environment Psu. 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: