Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

idf5k.com

5K@IDF Run/Walk

Page Load Speed

14.9 sec in total

First Response

315 ms

Resources Loaded

4.3 sec

Page Rendered

10.3 sec

idf5k.com screenshot

About Website

Welcome to idf5k.com homepage info - get ready to check IDF 5K best content right away, or after learning these important things about idf5k.com

Welcome to the 5K@IDF run/walk to change diabetes brought to you by Novo Nordisk. The 2019 5K@IDF will take place on Wednesday 4 December in Busan, Korea. Participation is FREE for all IDF delegates a...

Visit idf5k.com

Key Findings

We analyzed Idf5k.com page load time and found that the first response time was 315 ms and then it took 14.6 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

idf5k.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

idf5k.com

315 ms

analytics.js

63 ms

jquery-1.6.4.min.js

400 ms

jquery.min.js

52 ms

infinite-rotator.js

1575 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 83% of them (19 requests) were addressed to the original Idf5k.com, 9% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Idf5k.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.0 kB (8%)

Content Size

1.5 MB

After Optimization

1.4 MB

In fact, the total size of Idf5k.com main page is 1.5 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 6.2 kB

  • Original 8.8 kB
  • After minification 7.5 kB
  • After compression 2.6 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 1.3 kB, which is 14% 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 6.2 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 51.9 kB

  • Original 1.4 MB
  • After minification 1.3 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. IDF 5K images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 60.8 kB

  • Original 138.8 kB
  • After minification 137.9 kB
  • After compression 78.0 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 60.8 kB or 44% of the original size.

CSS Optimization

-75%

Potential reduce by 3.1 kB

  • Original 4.1 kB
  • After minification 3.5 kB
  • After compression 1.0 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. Idf5k.com needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IDF 5K. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

idf5k.com accessibility score

47

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.

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

<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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

idf5k.com best practices score

42

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

idf5k.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Idf5k.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Idf5k.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of IDF 5K. 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: