Tools & Wizards About Us
kore.io screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kore.io

Kore - A robust web platform for applications in C and Python

Page Load Speed

1.8 sec in total

First Response

280 ms

Resources Loaded

1.4 sec

Page Rendered

110 ms

kore.io screenshot

About Website

Click here to check amazing Kore content for United States. Otherwise, check out these important facts you probably never knew about kore.io

Kore is a web application platform for writing scalable, concurrent web based processes in C or Python.

Visit kore.io

Key Findings

We analyzed Kore.io page load time and found that the first response time was 280 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

kore.io performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

kore.io

280 ms

kore.io

400 ms

bootstrap.min.css

435 ms

style.min.css

318 ms

modernizr-2.6.2.min.js

430 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Kore.io and no external sources were called. The less responsive or slowest element that took the longest time to load (709 ms) belongs to the original domain Kore.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.5 kB (64%)

Content Size

5.5 kB

After Optimization

2.0 kB

  • HTML

In fact, the total size of Kore.io main page is 5.5 kB. 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 10% of websites need less resources to load. HTML takes 5.5 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 3.5 kB

  • Original 5.5 kB
  • After minification 5.1 kB
  • After compression 2.0 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 3.5 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kore. 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.

Network Requests Diagram

kore.io

kore.io

280 ms

kore.io

kore.io

400 ms

bootstrap.min.css

bootstrap.min.css

435 ms

style.min.css

style.min.css

318 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

430 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

709 ms

bootstrap.min.js

bootstrap.min.js

478 ms

scripts.min.js

scripts.min.js

366 ms

symbol-menu.png

symbol-menu.png

89 ms

logo-front.png

logo-front.png

159 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

260 ms

Accessibility Review

kore.io accessibility score

45

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

kore.io best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

kore.io SEO score

92

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kore.io 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 Kore.io 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

kore.io

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