Tools & Wizards About Us
stuvia.be screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

stuvia.be

Buy and sell quality study notes and resources - Stuvia US

Page Load Speed

2.4 sec in total

First Response

219 ms

Resources Loaded

1.7 sec

Page Rendered

524 ms

stuvia.be screenshot

About Website

Visit stuvia.be now to see the best up-to-date Stuvia content for Belgium and also check out these interesting facts you probably never knew about stuvia.be

Find your study notes, summaries, flashcards & other study material at Stuvia. Prevent resits and get higher grades. Discover your study material at Stuvia.

Visit stuvia.be

Key Findings

We analyzed Stuvia.be page load time and found that the first response time was 219 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

stuvia.be performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value2,750 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

stuvia.be

219 ms

www.stuvia.be

301 ms

www.stuvia.com

573 ms

f091608fa2-indexpage_css.css

50 ms

sdk.js

177 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Stuvia.be, 58% (38 requests) were made to Stuvia.com and 20% (13 requests) were made to Books.google.com. The less responsive or slowest element that took the longest time to load (573 ms) relates to the external source Stuvia.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 349.4 kB (20%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stuvia.be main page is 1.7 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. 65% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 297.6 kB

  • Original 325.7 kB
  • After minification 173.2 kB
  • After compression 28.1 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. This page needs HTML code to be minified as it can gain 152.5 kB, which is 47% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 297.6 kB or 91% of the original size.

Image Optimization

-5%

Potential reduce by 51.8 kB

  • Original 1.1 MB
  • After minification 1.0 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. Stuvia images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 23 B

  • Original 242.4 kB
  • After minification 242.4 kB
  • After compression 242.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 74.8 kB
  • After minification 74.8 kB
  • After compression 74.8 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. Stuvia.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (10%)

Requests Now

52

After Optimization

47

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stuvia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stuvia.be

stuvia.be

219 ms

www.stuvia.be

www.stuvia.be

301 ms

www.stuvia.com

www.stuvia.com

573 ms

f091608fa2-indexpage_css.css

f091608fa2-indexpage_css.css

50 ms

sdk.js

sdk.js

177 ms

8a878dd3b0-analytics.js

8a878dd3b0-analytics.js

131 ms

content

content

279 ms

images

images

195 ms

51DDEFBWMCL.jpg

51DDEFBWMCL.jpg

181 ms

9200000062021120.jpg

9200000062021120.jpg

149 ms

550x695.jpg

550x695.jpg

433 ms

51kCQYYPukL._AC_SY400_.jpg

51kCQYYPukL._AC_SY400_.jpg

187 ms

content

content

428 ms

content

content

560 ms

content

content

557 ms

content

content

558 ms

content

content

558 ms

content

content

556 ms

content

content

465 ms

content

content

560 ms

content

content

559 ms

content

content

560 ms

content

content

559 ms

content

content

561 ms

logo_stuvia.png

logo_stuvia.png

152 ms

logo-2.png

logo-2.png

151 ms

9200000025498525.jpg

9200000025498525.jpg

160 ms

9200000013290536.jpg

9200000013290536.jpg

161 ms

9200000001309825.jpg

9200000001309825.jpg

163 ms

sound-icon.png

sound-icon.png

161 ms

homepage-jouw_kennis_is_geld_waard.jpg

homepage-jouw_kennis_is_geld_waard.jpg

165 ms

homepage-snel_en_makkelijk_verkopen.jpg

homepage-snel_en_makkelijk_verkopen.jpg

165 ms

homepage-jouw_account_op_stuvia.jpg

homepage-jouw_account_op_stuvia.jpg

170 ms

doc_placeholder.jpg

doc_placeholder.jpg

169 ms

AOh14GiS2JO2F7qs6tjcNu-89nOUQlf0iVXdXbVyIGnq=s96-c

AOh14GiS2JO2F7qs6tjcNu-89nOUQlf0iVXdXbVyIGnq=s96-c

163 ms

photo.jpg

photo.jpg

214 ms

3731e09c58-app.js

3731e09c58-app.js

164 ms

8a705e7d59-indexpage.js

8a705e7d59-indexpage.js

160 ms

slick.min.js

slick.min.js

195 ms

sell_notes.png

sell_notes.png

171 ms

user_avatar_894058_5edc94d4aa90b.jpg

user_avatar_894058_5edc94d4aa90b.jpg

160 ms

user_avatar_965744_60d0cd0d84538.jpeg

user_avatar_965744_60d0cd0d84538.jpeg

168 ms

user_avatar_877462_5ef231554d349.png

user_avatar_877462_5ef231554d349.png

203 ms

user_avatar_755155_5fea9b4c44d8a.jpg

user_avatar_755155_5fea9b4c44d8a.jpg

169 ms

default_avatar.png

default_avatar.png

197 ms

user_avatar_1013569_65524c951b194.jfif

user_avatar_1013569_65524c951b194.jfif

197 ms

user_avatar_1328732_621c9b9f63328.jpg

user_avatar_1328732_621c9b9f63328.jpg

200 ms

user_avatar_993823_6124be5d9ad5c.jpg

user_avatar_993823_6124be5d9ad5c.jpg

197 ms

user_avatar_1227393_618a6e1f4efaa.jpeg

user_avatar_1227393_618a6e1f4efaa.jpeg

198 ms

stuvia_logo_header_small.png

stuvia_logo_header_small.png

199 ms

login-silhouette.svg

login-silhouette.svg

109 ms

cross.svg

cross.svg

102 ms

us.svg

us.svg

104 ms

homepage_new_all.jpg

homepage_new_all.jpg

109 ms

alegreya-sans-stuvia-300.woff

alegreya-sans-stuvia-300.woff

110 ms

alegreya-sans-stuvia-100.woff

alegreya-sans-stuvia-100.woff

108 ms

alegreya-sans-stuvia-regular.woff

alegreya-sans-stuvia-regular.woff

109 ms

alegreya-sans-stuvia-500.woff

alegreya-sans-stuvia-500.woff

109 ms

sdk.js

sdk.js

22 ms

fa-stuvia-regular-400.woff

fa-stuvia-regular-400.woff

39 ms

fa-stuvia-light-300.woff

fa-stuvia-light-300.woff

41 ms

fa-stuvia-solid-900.woff

fa-stuvia-solid-900.woff

18 ms

fa-stuvia-brands-400.woff

fa-stuvia-brands-400.woff

40 ms

133 ms

55 ms

Accessibility Review

stuvia.be accessibility score

91

Accessibility Issues

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

Buttons do not have an accessible name

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.

Best Practices

stuvia.be 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

stuvia.be SEO score

99

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

High

Tap targets are not sized appropriately

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 Stuvia.be 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 Stuvia.be 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

stuvia.be

Open Graph data is detected on the main page of Stuvia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: