Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

tech.purdue.edu

Purdue Polytechnic Institute

Page Load Speed

1.2 sec in total

First Response

225 ms

Resources Loaded

850 ms

Page Rendered

153 ms

tech.purdue.edu screenshot

About Website

Click here to check amazing Tech Purdue content for United States. Otherwise, check out these important facts you probably never knew about tech.purdue.edu

Purdue Polytechnic is one of 10 academic colleges at Purdue University in West Lafayette, IN, offering degrees in a wide range of disciplines.

Visit tech.purdue.edu

Key Findings

We analyzed Tech.purdue.edu page load time and found that the first response time was 225 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

tech.purdue.edu performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.454

20/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

polytechnic.purdue.edu

225 ms

css__ZbDjAS96OGj7MP6LWCPw53q7rs92lwsFBVp5IHAnWBg__an0gEIZuijnC-3v4nxDV_vxCuERJ5kIncTSPAzsUoSc__H5brwf306tLljaja307PM1tEGRR15kRcy_1qmZW7RGk.css

63 ms

css__i3jZBHa6pVbGtC6aj_8v4DeU2-8qs3XcMcP4v94aMVo__U4EQdWVF-o0M2tAfEu_kEEk4xr5RTw8Fubr1Rr0AHtI__H5brwf306tLljaja307PM1tEGRR15kRcy_1qmZW7RGk.css

83 ms

css__samC0QFFx7BN6c_qriR7tV41-ZaV6Yvf0bANCAPm6ck__psxZSG_78bjeti4JfwkZhJWuuWGC3pY-mZ5wTzAZFHo__H5brwf306tLljaja307PM1tEGRR15kRcy_1qmZW7RGk.css

144 ms

css__DSSxvxVBQfN4xVDx0jKWLO4MrwSz7NTkI3IPHeTNDCM__zkUQfInvE67UBJaRT6IzYD6FyYX5dQcr6re_06wGxWk__H5brwf306tLljaja307PM1tEGRR15kRcy_1qmZW7RGk.css

119 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tech.purdue.edu, 11% (4 requests) were made to Google-analytics.com and 11% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (225 ms) relates to the external source Polytechnic.purdue.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 315.9 kB (42%)

Content Size

752.0 kB

After Optimization

436.1 kB

In fact, the total size of Tech.purdue.edu main page is 752.0 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. 35% of websites need less resources to load. Images take 333.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 26.4 kB

  • Original 35.3 kB
  • After minification 33.2 kB
  • After compression 8.9 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 26.4 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 12.4 kB

  • Original 333.3 kB
  • After minification 320.9 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. Tech Purdue images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 95.7 kB

  • Original 160.8 kB
  • After minification 156.7 kB
  • After compression 65.1 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 95.7 kB or 60% of the original size.

CSS Optimization

-81%

Potential reduce by 181.4 kB

  • Original 222.6 kB
  • After minification 222.3 kB
  • After compression 41.2 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. Tech.purdue.edu needs all CSS files to be minified and compressed as it can save up to 181.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (37%)

Requests Now

30

After Optimization

19

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tech Purdue. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tech.purdue.edu accessibility score

100

Accessibility Issues

Best Practices

tech.purdue.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

SEO Factors

tech.purdue.edu SEO score

100

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

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 Tech.purdue.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 Tech.purdue.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 Tech Purdue. 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: