Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

downloads.isc2.org

Cybersecurity Certifications and Continuing Education | ISC2

Page Load Speed

2.3 sec in total

First Response

178 ms

Resources Loaded

1.6 sec

Page Rendered

525 ms

downloads.isc2.org screenshot

About Website

Welcome to downloads.isc2.org homepage info - get ready to check Downloads ISC2 best content for United States right away, or after learning these important things about downloads.isc2.org

ISC2 is the world’s leading member association for cybersecurity professionals. Our members, candidates and associates are leading the cybersecurity profession and safeguarding the way we live by crea...

Visit downloads.isc2.org

Key Findings

We analyzed Downloads.isc2.org page load time and found that the first response time was 178 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

downloads.isc2.org performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value37,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.179

68/100

15%

TTI (Time to Interactive)

Value66.9 s

0/100

10%

Network Requests Diagram

www.isc2.org

178 ms

ai.0.js

27 ms

gtm.js

69 ms

styles.css

37 ms

07200e293f.css

196 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Downloads.isc2.org, 3% (3 requests) were made to Use.fontawesome.com and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (709 ms) relates to the external source Isc2.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 676.0 kB (27%)

Content Size

2.5 MB

After Optimization

1.8 MB

In fact, the total size of Downloads.isc2.org 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 114.4 kB

  • Original 130.7 kB
  • After minification 75.2 kB
  • After compression 16.3 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. This page needs HTML code to be minified as it can gain 55.5 kB, which is 42% 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 114.4 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 26.9 kB

  • Original 1.6 MB
  • After minification 1.6 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. Downloads ISC2 images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 106.1 kB

  • Original 233.8 kB
  • After minification 233.3 kB
  • After compression 127.7 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 106.1 kB or 45% of the original size.

CSS Optimization

-84%

Potential reduce by 428.6 kB

  • Original 512.6 kB
  • After minification 512.0 kB
  • After compression 84.0 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. Downloads.isc2.org needs all CSS files to be minified and compressed as it can save up to 428.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (48%)

Requests Now

82

After Optimization

43

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Downloads ISC2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

downloads.isc2.org accessibility score

75

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

downloads.isc2.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

downloads.isc2.org 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

Links do not have descriptive text

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 Downloads.isc2.org 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 Downloads.isc2.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

Open Graph data is detected on the main page of Downloads ISC2. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: