Tools & Wizards About Us
erasmusbarcelona.org screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% 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

  • 86

    SEO

    Google-friendlier than
    60% of websites

erasmusbarcelona.org

Erasmus Barcelona by WELOVEBCN | Parties, trips, accommodation, help

Page Load Speed

8.3 sec in total

First Response

3.3 sec

Resources Loaded

4.9 sec

Page Rendered

68 ms

erasmusbarcelona.org screenshot

About Website

Click here to check amazing Erasmus Barcelona content. Otherwise, check out these important facts you probably never knew about erasmusbarcelona.org

Free Erasmus and international students organization in Barcelona: free parties, trips, meetings, accommodation...

Visit erasmusbarcelona.org

Key Findings

We analyzed Erasmusbarcelona.org page load time and found that the first response time was 3.3 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

erasmusbarcelona.org performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

www.erasmusbarcelona.org

3309 ms

minified.js

56 ms

focus-within-polyfill.js

56 ms

polyfill.min.js

52 ms

mobile-app-invite-banner.css

128 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Erasmusbarcelona.org, 49% (38 requests) were made to Static.wixstatic.com and 30% (23 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Erasmusbarcelona.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (53%)

Content Size

2.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Erasmusbarcelona.org main page is 2.2 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. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 984.4 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 221.2 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 984.4 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 42.4 kB

  • Original 499.4 kB
  • After minification 457.0 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. Erasmus Barcelona images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 132.4 kB

  • Original 464.2 kB
  • After minification 464.2 kB
  • After compression 331.8 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 132.4 kB or 29% of the original size.

CSS Optimization

-4%

Potential reduce by 56 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.3 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. Erasmusbarcelona.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (27%)

Requests Now

60

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erasmus Barcelona. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.erasmusbarcelona.org

www.erasmusbarcelona.org

3309 ms

minified.js

minified.js

56 ms

focus-within-polyfill.js

focus-within-polyfill.js

56 ms

polyfill.min.js

polyfill.min.js

52 ms

mobile-app-invite-banner.css

mobile-app-invite-banner.css

128 ms

mobile-app-invite-banner.umd.min.js

mobile-app-invite-banner.umd.min.js

119 ms

7444.chunk.min.js

7444.chunk.min.js

98 ms

4261.chunk.min.js

4261.chunk.min.js

99 ms

2701.chunk.min.js

2701.chunk.min.js

101 ms

576.chunk.min.js

576.chunk.min.js

100 ms

ListLayout.chunk.min.js

ListLayout.chunk.min.js

100 ms

thunderbolt-commons.7700cd07.bundle.min.js

thunderbolt-commons.7700cd07.bundle.min.js

77 ms

main.16c08821.bundle.min.js

main.16c08821.bundle.min.js

78 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

78 ms

lodash.min.js

lodash.min.js

79 ms

react.production.min.js

react.production.min.js

79 ms

react-dom.production.min.js

react-dom.production.min.js

79 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

78 ms

erasmusbarcelona.png

erasmusbarcelona.png

354 ms

bundle.min.js

bundle.min.js

189 ms

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317 ms

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424 ms

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446 ms

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472 ms

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477 ms

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475 ms

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359 ms

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620 ms

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538 ms

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575 ms

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592 ms

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629 ms

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700 ms

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690 ms

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743 ms

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722 ms

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759 ms

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884 ms

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842 ms

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838 ms

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934 ms

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968 ms

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955 ms

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1018 ms

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965 ms

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976 ms

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1128 ms

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1152 ms

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1234 ms

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14 ms

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14 ms

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13 ms

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944 ms

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955 ms

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9 ms

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27 ms

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8 ms

right-arrow.svg

right-arrow.svg

9 ms

Accessibility Review

erasmusbarcelona.org accessibility score

91

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-*] attributes do not match their roles

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

erasmusbarcelona.org 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

erasmusbarcelona.org SEO score

86

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

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 Erasmusbarcelona.org 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 Erasmusbarcelona.org 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

erasmusbarcelona.org

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