Tools & Wizards About Us
stumbleupon.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

stumbleupon.com

Page Load Speed

12.7 sec in total

First Response

659 ms

Resources Loaded

8.6 sec

Page Rendered

3.4 sec

stumbleupon.com screenshot

About Website

Visit stumbleupon.com now to see the best up-to-date Stumbleupon content for India and also check out these interesting facts you probably never knew about stumbleupon.com

StumbleUpon is the easiest way to discover new and interesting web pages, photos and videos across the Web.

Visit stumbleupon.com

Key Findings

We analyzed Stumbleupon.com page load time and found that the first response time was 659 ms and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

stumbleupon.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

old-browser

659 ms

651393494.js

262 ms

iwmOACr6XdVNoebiOxOuIA

1420 ms

2ToyYmtlbz4tWjXPpPrNCA

1419 ms

hm5kPJHXFV_shE8Uz78Fog

1382 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Stumbleupon.com, 40% (8 requests) were made to Nb9.stumbleupon.netdna-cdn.com and 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Nb9.stumbleupon.netdna-cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.2 MB (84%)

Content Size

5.0 MB

After Optimization

791.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stumbleupon.com main page is 5.0 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. Javascripts take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 7.6 kB

  • Original 12.0 kB
  • After minification 11.2 kB
  • After compression 4.4 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 7.6 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 5.3 kB
  • After minification 5.3 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. Stumbleupon images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 3.3 MB

  • Original 4.0 MB
  • After minification 2.8 MB
  • After compression 656.1 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 3.3 MB or 83% of the original size.

CSS Optimization

-88%

Potential reduce by 882.0 kB

  • Original 1.0 MB
  • After minification 823.2 kB
  • After compression 125.5 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. Stumbleupon.com needs all CSS files to be minified and compressed as it can save up to 882.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (47%)

Requests Now

17

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stumbleupon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

old-browser

old-browser

659 ms

651393494.js

651393494.js

262 ms

iwmOACr6XdVNoebiOxOuIA

iwmOACr6XdVNoebiOxOuIA

1420 ms

2ToyYmtlbz4tWjXPpPrNCA

2ToyYmtlbz4tWjXPpPrNCA

1419 ms

hm5kPJHXFV_shE8Uz78Fog

hm5kPJHXFV_shE8Uz78Fog

1382 ms

kgmP18eya2_f6lBnpEGlDg

kgmP18eya2_f6lBnpEGlDg

2162 ms

BMmubT-rr1DZPtNiYAXXxw

BMmubT-rr1DZPtNiYAXXxw

1761 ms

1UqIuZ_xZPy1GpWRkIHHvg

1UqIuZ_xZPy1GpWRkIHHvg

1761 ms

bootstrap.js

bootstrap.js

1761 ms

mixpanel-2.2.min.js

mixpanel-2.2.min.js

781 ms

ga.js

ga.js

86 ms

KwIEec5utYGrKmzXYLgFzg

KwIEec5utYGrKmzXYLgFzg

127 ms

3OFqWahmiDq_pYhQn1swHQ

3OFqWahmiDq_pYhQn1swHQ

246 ms

j.php

j.php

1115 ms

916 ms

815 ms

__utm.gif

__utm.gif

131 ms

collect

collect

1207 ms

beacon.js

beacon.js

890 ms

v.gif

v.gif

359 ms

Accessibility Review

stumbleupon.com accessibility score

94

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

stumbleupon.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

stumbleupon.com SEO score

92

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 Stumbleupon.com 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 Stumbleupon.com 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

stumbleupon.com

Open Graph description is not detected on the main page of Stumbleupon. 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: