Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 62

    SEO

    Google-friendlier than
    32% of websites

vt.edu

Home | Virginia Tech

Page Load Speed

930 ms in total

First Response

38 ms

Resources Loaded

592 ms

Page Rendered

300 ms

vt.edu screenshot

About Website

Click here to check amazing Vt content for United States. Otherwise, check out these important facts you probably never knew about vt.edu

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Key Findings

We analyzed Vt.edu page load time and found that the first response time was 38 ms and then it took 892 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vt.edu performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value7,610 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value36.1 s

0/100

10%

Network Requests Diagram

vt.edu

38 ms

www.vt.edu

49 ms

fonts-googleapis_PT-Sans_400-400i-700-700i.css

35 ms

bootstrap.min.css

66 ms

font-awesome.min.css

63 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 27% of them (16 requests) were addressed to the original Vt.edu, 47% (28 requests) were made to Assets.cms.vt.edu and 8% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (250 ms) belongs to the original domain Vt.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (29%)

Content Size

4.1 MB

After Optimization

2.9 MB

In fact, the total size of Vt.edu main page is 4.1 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. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 40.9 kB

  • Original 51.3 kB
  • After minification 50.1 kB
  • After compression 10.3 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 40.9 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 118.7 kB

  • Original 2.8 MB
  • After minification 2.6 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. Vt images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 374.0 kB

  • Original 516.1 kB
  • After minification 476.6 kB
  • After compression 142.2 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 374.0 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 644.8 kB

  • Original 774.6 kB
  • After minification 689.1 kB
  • After compression 129.8 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. Vt.edu needs all CSS files to be minified and compressed as it can save up to 644.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (45%)

Requests Now

53

After Optimization

29

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vt.edu accessibility score

90

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.

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

Image elements do not have [alt] attributes

Best Practices

vt.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

vt.edu SEO score

62

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

High

Image elements do not have [alt] attributes

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 doesn't use 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 Vt.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 Vt.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 Vt. 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: