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addconf.com screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

addconf.com

Conference for iOS & Android developers and UX / UI designers

Page Load Speed

2.5 sec in total

First Response

14 ms

Resources Loaded

1.1 sec

Page Rendered

1.4 sec

addconf.com screenshot

About Website

Welcome to addconf.com homepage info - get ready to check Addconf best content for Russia right away, or after learning these important things about addconf.com

International conference for iOS & Android developers and UI/UX designers, taking place June 23 - 24, 2021.

Visit addconf.com

Key Findings

We analyzed Addconf.com page load time and found that the first response time was 14 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

addconf.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value25.3 s

0/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.84

4/100

15%

TTI (Time to Interactive)

Value26.7 s

0/100

10%

Network Requests Diagram

addconf.com

14 ms

9 ms

gtm.js

73 ms

app.6a7ff710.css

8 ms

chunk-12d9dade.83b6f07b.js

24 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 77% of them (82 requests) were addressed to the original Addconf.com, 4% (4 requests) were made to Platform.twitter.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (606 ms) relates to the external source Js.tito.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 567.1 kB (23%)

Content Size

2.5 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Addconf.com main page is 2.5 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. Only a small number of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 35.4 kB

  • Original 44.8 kB
  • After minification 44.8 kB
  • After compression 9.4 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 35.4 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 55.5 kB

  • Original 1.7 MB
  • After minification 1.7 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. Addconf images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 298.0 kB

  • Original 462.4 kB
  • After minification 461.9 kB
  • After compression 164.3 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 298.0 kB or 64% of the original size.

CSS Optimization

-85%

Potential reduce by 178.1 kB

  • Original 209.9 kB
  • After minification 209.9 kB
  • After compression 31.8 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. Addconf.com needs all CSS files to be minified and compressed as it can save up to 178.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (42%)

Requests Now

98

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Addconf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

addconf.com

addconf.com

14 ms

9 ms

gtm.js

gtm.js

73 ms

app.6a7ff710.css

app.6a7ff710.css

8 ms

chunk-12d9dade.83b6f07b.js

chunk-12d9dade.83b6f07b.js

24 ms

chunk-c9c02f32.543b6444.css

chunk-c9c02f32.543b6444.css

24 ms

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32 ms

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30 ms

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30 ms

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29 ms

css

css

49 ms

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css

80 ms

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5 ms

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117 ms

sdk.js

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360 ms

widgets.js

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365 ms

tp.widget.bootstrap.min.js

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384 ms

v1

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606 ms

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269 ms

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81 ms

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91 ms

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Accessibility Review

addconf.com accessibility score

73

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

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

addconf.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

addconf.com 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

High

Image elements do not have [alt] attributes

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 Addconf.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 Addconf.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

addconf.com

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