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developers.redhat.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

developers.redhat.com

Red Hat Developers | Red Hat Developer

Page Load Speed

2.9 sec in total

First Response

129 ms

Resources Loaded

2.3 sec

Page Rendered

504 ms

developers.redhat.com screenshot

About Website

Click here to check amazing Developers Red Hat content for India. Otherwise, check out these important facts you probably never knew about developers.redhat.com

Join Red Hat Developer for the software and tutorials to develop cloud applications using Kubernetes, microservices, serverless and Linux.

Visit developers.redhat.com

Key Findings

We analyzed Developers.redhat.com page load time and found that the first response time was 129 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

developers.redhat.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value3,940 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

developers.redhat.com

129 ms

trustarc.js

86 ms

dpal.js

435 ms

newsdesk.js

51 ms

reporter.js

74 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 87% of them (116 requests) were addressed to the original Developers.redhat.com, 4% (5 requests) were made to Cdnjs.cloudflare.com and 3% (4 requests) were made to Ka-p.fontawesome.com. The less responsive or slowest element that took the longest time to load (809 ms) belongs to the original domain Developers.redhat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (41%)

Content Size

5.9 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Developers.redhat.com main page is 5.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 353.6 kB

  • Original 403.1 kB
  • After minification 269.8 kB
  • After compression 49.5 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 133.3 kB, which is 33% 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 353.6 kB or 88% of the original size.

Image Optimization

-22%

Potential reduce by 833.8 kB

  • Original 3.8 MB
  • After minification 2.9 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. Obviously, Developers Red Hat needs image optimization as it can save up to 833.8 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 384.2 kB

  • Original 814.9 kB
  • After minification 812.7 kB
  • After compression 430.7 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 384.2 kB or 47% of the original size.

CSS Optimization

-90%

Potential reduce by 826.5 kB

  • Original 918.0 kB
  • After minification 917.6 kB
  • After compression 91.5 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. Developers.redhat.com needs all CSS files to be minified and compressed as it can save up to 826.5 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (36%)

Requests Now

112

After Optimization

72

  • Images
  • JavaScript
  • CSS

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developers Red Hat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

developers.redhat.com

developers.redhat.com

129 ms

trustarc.js

trustarc.js

86 ms

dpal.js

dpal.js

435 ms

newsdesk.js

newsdesk.js

51 ms

reporter.js

reporter.js

74 ms

css_ahkwahSukfb60uBljd9Mf1xQyrNPtZOuWjbP0RypP6A.css

css_ahkwahSukfb60uBljd9Mf1xQyrNPtZOuWjbP0RypP6A.css

61 ms

css_vHxd5nk8Am9FI-hbR-xje7BVdvQVPUsz2bQSUAVWmQM.css

css_vHxd5nk8Am9FI-hbR-xje7BVdvQVPUsz2bQSUAVWmQM.css

106 ms

cpx-reporter.js

cpx-reporter.js

63 ms

cpx-user.js

cpx-user.js

69 ms

cpx-cookie.js

cpx-cookie.js

69 ms

es6-shim.min.js

es6-shim.min.js

55 ms

es6-promise.auto.min.js

es6-promise.auto.min.js

66 ms

fetch.min.js

fetch.min.js

72 ms

custom-elements-es5-adapter.js

custom-elements-es5-adapter.js

71 ms

webcomponents-bundle.js

webcomponents-bundle.js

75 ms

js_fLDKQ4nvgsh5u8cYZJTxW8VHASceohkjuNkf7_Nra1Y.js

js_fLDKQ4nvgsh5u8cYZJTxW8VHASceohkjuNkf7_Nra1Y.js

76 ms

api.js

api.js

67 ms

js_Wzr62T_oqKIL5MfxLdH40TeiJa00sGpJ3TdXltqk51A.js

js_Wzr62T_oqKIL5MfxLdH40TeiJa00sGpJ3TdXltqk51A.js

92 ms

keycloak.js

keycloak.js

59 ms

js_y0mN9sPn68lNyRr2tg2w3WJZU6CbO5oqdAKHmxG3n40.js

js_y0mN9sPn68lNyRr2tg2w3WJZU6CbO5oqdAKHmxG3n40.js

89 ms

issueCollectorBootstrap.js

issueCollectorBootstrap.js

174 ms

custom-jira-collector.js

custom-jira-collector.js

84 ms

js_UdHx7F5TzueSC6zUDvVtplWG1ogUqZAF5bNaLrX0xfg.js

js_UdHx7F5TzueSC6zUDvVtplWG1ogUqZAF5bNaLrX0xfg.js

115 ms

pdf-links.js

pdf-links.js

103 ms

scroll-to-top.js

scroll-to-top.js

122 ms

3f83b4c6d2.js

3f83b4c6d2.js

175 ms

code-snippet.js

code-snippet.js

104 ms

pfe-cta.min.js

pfe-cta.min.js

112 ms

pfe-navigation.min.js

pfe-navigation.min.js

154 ms

rh-account-dropdown.min.js

rh-account-dropdown.min.js

121 ms

pfe-avatar.min.js

pfe-avatar.min.js

114 ms

js_ReWk-LqZ4TJZFVfj5UVQJFf7klGSjmgTpDGDTz8Lpd0.js

js_ReWk-LqZ4TJZFVfj5UVQJFf7klGSjmgTpDGDTz8Lpd0.js

124 ms

rh-global-footer-entry.js

rh-global-footer-entry.js

154 ms

rh-footer-entry.js

rh-footer-entry.js

128 ms

js_4rEWZC-Lxbf639ihwyp4sIixYVWtWTg6-nOWMBxrOVQ.js

js_4rEWZC-Lxbf639ihwyp4sIixYVWtWTg6-nOWMBxrOVQ.js

179 ms

site-switcher.min.js

site-switcher.min.js

162 ms

notice

notice

88 ms

log

log

85 ms

v1.7-38

v1.7-38

5 ms

2023_RHDLogo_reverse.svg

2023_RHDLogo_reverse.svg

126 ms

RHEL-2.png

RHEL-2.png

66 ms

RHEL-AI-mini.png

RHEL-AI-mini.png

69 ms

rhel-image-mode.png

rhel-image-mode.png

208 ms

Red%20Hat%20OS%402x.png

Red%20Hat%20OS%402x.png

66 ms

ICO%20-%20Ansible%20Platform%20Learning%20Resources.png

ICO%20-%20Ansible%20Platform%20Learning%20Resources.png

66 ms

Podman%20Desktop_NavigationIcon.png

Podman%20Desktop_NavigationIcon.png

64 ms

Podman%20Desktop_NavigationIcon%20%281%29.png

Podman%20Desktop_NavigationIcon%20%281%29.png

67 ms

homepage-sandbox.jpg

homepage-sandbox.jpg

69 ms

ai-ml_featured.png

ai-ml_featured.png

71 ms

Red%20Hat%20OS%20Platform%402x.png

Red%20Hat%20OS%20Platform%402x.png

72 ms

Cloud-native%20app%20server%20on%20OpenShift.png

Cloud-native%20app%20server%20on%20OpenShift.png

69 ms

Automation-2.png

Automation-2.png

138 ms

App-Dev-Platform-2.png

App-Dev-Platform-2.png

72 ms

2023_RHD_SandBox_Graphic_final.png

2023_RHD_SandBox_Graphic_final.png

72 ms

ICO%20-%20Download%20Ansible%20Automation%20Platform.png

ICO%20-%20Download%20Ansible%20Automation%20Platform.png

74 ms

java.png

java.png

136 ms

ai-ml.png

ai-ml.png

74 ms

learning.png

learning.png

134 ms

summit-logo-red%20%281%29.png

summit-logo-red%20%281%29.png

133 ms

2024_rhd_repo.png

2024_rhd_repo.png

337 ms

rhel-ai_0.png

rhel-ai_0.png

136 ms

redhat_enterprise_linux-ai.png

redhat_enterprise_linux-ai.png

137 ms

redhat_enterprise_linux.png

redhat_enterprise_linux.png

135 ms

redhat_openshift.png

redhat_openshift.png

333 ms

redhat_ansible_automation_platform_0.png

redhat_ansible_automation_platform_0.png

203 ms

ai-product-portfolio.png

ai-product-portfolio.png

137 ms

2023_Product_OS_App_runtimes.png

2023_Product_OS_App_runtimes.png

440 ms

2023_Product_RH_Integration.png

2023_Product_RH_Integration.png

202 ms

2023_Product_RH_Developer_Toolset.png

2023_Product_RH_Developer_Toolset.png

333 ms

podman-desktop_blog-banner%20%281%29.png

podman-desktop_blog-banner%20%281%29.png

332 ms

default_user.svg

default_user.svg

202 ms

GC-edgecomputing_2x.png

GC-edgecomputing_2x.png

618 ms

OpenShiftDev%20Spaces.png

OpenShiftDev%20Spaces.png

591 ms

2020_RHD_Coding_imageA%402x.png

2020_RHD_Coding_imageA%402x.png

719 ms

light-grey.png.webp

light-grey.png.webp

336 ms

light-grey.png

light-grey.png

281 ms

exp-02.webp

exp-02.webp

342 ms

summit-2024-session-catalog-bg-min.jpg.webp

summit-2024-session-catalog-bg-min.jpg.webp

307 ms

summit-2024-session-catalog-bg-min.jpg

summit-2024-session-catalog-bg-min.jpg

342 ms

summit-2024-session-catalog-artwork-v3-min_0.png

summit-2024-session-catalog-artwork-v3-min_0.png

412 ms

SP-openshift_1200x630_0.png

SP-openshift_1200x630_0.png

361 ms

Containers%20podman%20feature%20image.png

Containers%20podman%20feature%20image.png

405 ms

JBoss_EAP8_feature_image.png

JBoss_EAP8_feature_image.png

768 ms

YAML_AnsibleAP_featured_image.png

YAML_AnsibleAP_featured_image.png

450 ms

Developer%20Portal.png

Developer%20Portal.png

608 ms

2024_Ebook_Podman_tilecardv2.png

2024_Ebook_Podman_tilecardv2.png

655 ms

Kube-Native-Microservices_card.png

Kube-Native-Microservices_card.png

555 ms

RedHatText-Regular.woff

RedHatText-Regular.woff

605 ms

RedHatText-Medium.woff

RedHatText-Medium.woff

571 ms

RedHatDisplay-Bold.woff

RedHatDisplay-Bold.woff

546 ms

RedHatDisplay-Medium.woff

RedHatDisplay-Medium.woff

591 ms

RedHatDisplay-Regular.woff

RedHatDisplay-Regular.woff

593 ms

overpass-bold.woff

overpass-bold.woff

593 ms

overpass-extrabold.woff

overpass-extrabold.woff

590 ms

overpass-heavy.woff

overpass-heavy.woff

590 ms

overpass-semibold.woff

overpass-semibold.woff

639 ms

overpass-regular.woff

overpass-regular.woff

591 ms

pro.min.js

pro.min.js

46 ms

overpass-light.woff

overpass-light.woff

526 ms

overpass-extralight.woff

overpass-extralight.woff

574 ms

overpass-thin.woff

overpass-thin.woff

572 ms

overpass-light-italic.woff

overpass-light-italic.woff

805 ms

overpass-italic.woff

overpass-italic.woff

652 ms

arrow-right.svg

arrow-right.svg

18 ms

check.svg

check.svg

22 ms

arrow-circle-up.svg

arrow-circle-up.svg

29 ms

overpass-extralight-italic.woff

overpass-extralight-italic.woff

466 ms

overpass-thin-italic.woff

overpass-thin-italic.woff

527 ms

overpass-semibold-italic.woff

overpass-semibold-italic.woff

634 ms

overpass-bold-italic.woff

overpass-bold-italic.woff

495 ms

overpass-extrabold-italic.woff

overpass-extrabold-italic.woff

574 ms

overpass-heavy-italic.woff

overpass-heavy-italic.woff

605 ms

automation-at-the-edge-share.jpg

automation-at-the-edge-share.jpg

797 ms

linux-commands-cheatsheet-cover-card.png

linux-commands-cheatsheet-cover-card.png

483 ms

Convert%20CentOS%20Linux%20to%20RHEL-Feature%20and%20share%20image.png

Convert%20CentOS%20Linux%20to%20RHEL-Feature%20and%20share%20image.png

678 ms

podman_share.png

podman_share.png

615 ms

systemd%20Commands%20-%20card.png

systemd%20Commands%20-%20card.png

809 ms

instructlab_0.png

instructlab_0.png

534 ms

Virtualization-share-image.png

Virtualization-share-image.png

565 ms

Red%20Hat%20Developer%20Hub_2.png

Red%20Hat%20Developer%20Hub_2.png

597 ms

Red%20Hat%20Openshift%20AI.png

Red%20Hat%20Openshift%20AI.png

529 ms

Devnexus%20Logo_5.png

Devnexus%20Logo_5.png

607 ms

Devnexus%20Logo_6.png

Devnexus%20Logo_6.png

584 ms

Devnexus%20Logo_7.png

Devnexus%20Logo_7.png

458 ms

Devnexus%20Logo_8.png

Devnexus%20Logo_8.png

534 ms

Developer%20Portal.png

Developer%20Portal.png

743 ms

2024_Ebook_Podman_tilecardv2.png

2024_Ebook_Podman_tilecardv2.png

651 ms

Kube-Native-Microservices_card.png

Kube-Native-Microservices_card.png

624 ms

automation-at-the-edge-share.jpg

automation-at-the-edge-share.jpg

703 ms

card_learning_path_smaller.webp

card_learning_path_smaller.webp

514 ms

instructlab_0.png

instructlab_0.png

622 ms

Virtualization-share-image.png

Virtualization-share-image.png

546 ms

Red%20Hat%20Developer%20Hub_2.png

Red%20Hat%20Developer%20Hub_2.png

681 ms

Red%20Hat%20Openshift%20AI.png

Red%20Hat%20Openshift%20AI.png

795 ms

Accessibility Review

developers.redhat.com accessibility score

91

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

developers.redhat.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

developers.redhat.com SEO score

79

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Developers.redhat.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 Developers.redhat.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

developers.redhat.com

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