Tools & Wizards About Us

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

physics.columbian.gwu.edu

Department of Physics | Columbian College of Arts & Sciences | The George Washington University

Page Load Speed

1.4 sec in total

First Response

38 ms

Resources Loaded

836 ms

Page Rendered

568 ms

About Website

Click here to check amazing Physics Columbian Gwu content for United States. Otherwise, check out these important facts you probably never knew about physics.columbian.gwu.edu

At the GW Department of Physics (officially founded in 1912), faculty and students seek answers to fundamental questions about matter, motion and the universe.

Visit physics.columbian.gwu.edu

Key Findings

We analyzed Physics.columbian.gwu.edu page load time and found that the first response time was 38 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

physics.columbian.gwu.edu performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

physics.columbian.gwu.edu

38 ms

physics.columbian.gwu.edu

66 ms

css_ueJrKdIEVhUl3w4MIdfwPnXIFbzHeasrjytHIHIJfGU.css

24 ms

css_adxcA9tx8dtp54GDlnafilBMfBNqqur7Ljh5R0WAeHQ.css

67 ms

css_rRwKChdt_EiBRzkq2jPrgNi7_g3D-8xclRaZdPjWQfU.css

47 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 69% of them (34 requests) were addressed to the original Physics.columbian.gwu.edu, 10% (5 requests) were made to Use.typekit.net and 6% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (341 ms) belongs to the original domain Physics.columbian.gwu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.3 kB (14%)

Content Size

420.8 kB

After Optimization

363.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Physics.columbian.gwu.edu main page is 420.8 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. 55% of websites need less resources to load. Javascripts take 212.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 52.9 kB

  • Original 68.5 kB
  • After minification 62.2 kB
  • After compression 15.6 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 52.9 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 2.9 kB

  • Original 48.6 kB
  • After minification 45.7 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. Physics Columbian Gwu images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 514 B

  • Original 212.2 kB
  • After minification 212.2 kB
  • After compression 211.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 1.0 kB

  • Original 91.4 kB
  • After minification 91.4 kB
  • After compression 90.4 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. Physics.columbian.gwu.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (65%)

Requests Now

37

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physics Columbian Gwu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

physics.columbian.gwu.edu accessibility score

89

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

physics.columbian.gwu.edu best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

physics.columbian.gwu.edu SEO score

93

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

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 Physics.columbian.gwu.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 Physics.columbian.gwu.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 Physics Columbian Gwu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: