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apidays.co screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

apidays.co

apidays - World's leading series of API Conferences

Page Load Speed

3.8 sec in total

First Response

135 ms

Resources Loaded

3.6 sec

Page Rendered

90 ms

apidays.co screenshot

About Website

Welcome to apidays.co homepage info - get ready to check API Days best content for Switzerland right away, or after learning these important things about apidays.co

Created in 2012 in Paris, apidays has organized 47 events in 12 countries, gathering over 25,000 attendees and 2,000+ speakers. Its aim is to democratize and evangelize the opportunities and the use o...

Visit apidays.co

Key Findings

We analyzed Apidays.co page load time and found that the first response time was 135 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

apidays.co performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value1,120 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

www.apidays.co

135 ms

minified.js

39 ms

focus-within-polyfill.js

37 ms

polyfill.min.js

82 ms

thunderbolt-commons.ef342c25.bundle.min.js

23 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Apidays.co, 70% (68 requests) were made to Static.wixstatic.com and 13% (13 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 435.3 kB (32%)

Content Size

1.4 MB

After Optimization

946.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Apidays.co main page is 1.4 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. 45% of websites need less resources to load. Images take 569.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 428.0 kB

  • Original 552.3 kB
  • After minification 550.5 kB
  • After compression 124.3 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 428.0 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 3.6 kB

  • Original 569.8 kB
  • After minification 566.2 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. API Days images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 259.5 kB
  • After minification 259.5 kB
  • After compression 255.8 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (12%)

Requests Now

83

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of API Days. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.apidays.co

www.apidays.co

135 ms

minified.js

minified.js

39 ms

focus-within-polyfill.js

focus-within-polyfill.js

37 ms

polyfill.min.js

polyfill.min.js

82 ms

thunderbolt-commons.ef342c25.bundle.min.js

thunderbolt-commons.ef342c25.bundle.min.js

23 ms

main.ffa2f90d.bundle.min.js

main.ffa2f90d.bundle.min.js

64 ms

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

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

21 ms

lodash.min.js

lodash.min.js

62 ms

react.production.min.js

react.production.min.js

63 ms

react-dom.production.min.js

react-dom.production.min.js

65 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

180 ms

apidays20_Logo_Bicolor.png

apidays20_Logo_Bicolor.png

425 ms

bundle.min.js

bundle.min.js

93 ms

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33 ms

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341 ms

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253 ms

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287 ms

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439 ms

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268 ms

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741 ms

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553 ms

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576 ms

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652 ms

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611 ms

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727 ms

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811 ms

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875 ms

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900 ms

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887 ms

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954 ms

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937 ms

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1040 ms

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1125 ms

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1073 ms

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1156 ms

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1246 ms

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1323 ms

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1313 ms

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1309 ms

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1357 ms

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1444 ms

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1482 ms

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1539 ms

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1534 ms

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1703 ms

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1539 ms

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1696 ms

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1758 ms

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1780 ms

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154 ms

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15 ms

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1676 ms

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1686 ms

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1726 ms

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1613 ms

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1537 ms

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1615 ms

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1762 ms

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1629 ms

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1611 ms

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1614 ms

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1517 ms

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1570 ms

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1670 ms

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1681 ms

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1688 ms

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1613 ms

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1595 ms

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1646 ms

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1682 ms

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1646 ms

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1713 ms

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1544 ms

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1492 ms

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1597 ms

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1627 ms

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1546 ms

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1527 ms

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1612 ms

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1549 ms

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8 ms

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30 ms

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12 ms

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9 ms

Accessibility Review

apidays.co accessibility score

83

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

button, link, and menuitem elements do not have accessible names.

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

High

<frame> or <iframe> elements do not have a title

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

apidays.co 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

apidays.co 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 Apidays.co 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 Apidays.co 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

apidays.co

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