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dev.openshift.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dev.openshift.com

Red Hat OpenShift enterprise Kubernetes container platform

Page Load Speed

23.9 sec in total

First Response

783 ms

Resources Loaded

19.6 sec

Page Rendered

3.5 sec

dev.openshift.com screenshot

About Website

Click here to check amazing Dev Open Shift content for Mexico. Otherwise, check out these important facts you probably never knew about dev.openshift.com

Red Hat® OpenShift® is a unified platform to build, modernize, and deploy applications at scale

Visit dev.openshift.com

Key Findings

We analyzed Dev.openshift.com page load time and found that the first response time was 783 ms and then it took 23.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

dev.openshift.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value8,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

openshift

783 ms

trustarc.js

160 ms

trustecm.js

173 ms

dtm.js

1111 ms

css__k9aoxkMyjUtSX9AXGCPExPgTYjM0Xv5OYNfbFGDRafY__N9sjJtGj85lXtvOptw2e_YZ01FXbTXcJywP8EaKBijU__uaCwYofnUZLAnB7x3Q6WyVKHfqU6f9iB6Wi31ydea6c.css

473 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dev.openshift.com, 18% (17 requests) were made to Youtube.com and 13% (12 requests) were made to Static.redhat.com. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source Redhat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.5 MB (53%)

Content Size

4.8 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dev.openshift.com main page is 4.8 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 160.8 kB

  • Original 189.1 kB
  • After minification 157.7 kB
  • After compression 28.3 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 31.5 kB, which is 17% 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 160.8 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 153.2 kB

  • Original 1.8 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. Dev Open Shift images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 895.0 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 342.1 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 895.0 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 1.3 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 260.3 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. Dev.openshift.com needs all CSS files to be minified and compressed as it can save up to 1.3 MB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (44%)

Requests Now

87

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Open Shift. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

openshift

openshift

783 ms

trustarc.js

trustarc.js

160 ms

trustecm.js

trustecm.js

173 ms

dtm.js

dtm.js

1111 ms

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473 ms

webrh.webcomponents.min.css

webrh.webcomponents.min.css

452 ms

webrh.min.css

webrh.min.css

395 ms

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507 ms

trustecm.css

trustecm.css

183 ms

advanced-theme.css

advanced-theme.css

193 ms

red-hat-font.min.css

red-hat-font.min.css

195 ms

styles.min.css

styles.min.css

849 ms

font-awesome.min.css

font-awesome.min.css

187 ms

osh-stack.min.css

osh-stack.min.css

664 ms

secondary-navigation-2022.min.css

secondary-navigation-2022.min.css

696 ms

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479 ms

webrh.vendor.min.js

webrh.vendor.min.js

503 ms

webrh.webcomponents.min.js

webrh.webcomponents.min.js

578 ms

webrh.min.js

webrh.min.js

910 ms

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js__pDOiYGKaYbdKNp1gvMxR0fWhWZnfUemYDUhADyCn3oM__jCrCuWCJIPYPe1FzZoUvsJWEjkNMmRIQHYek1h7idBE__uaCwYofnUZLAnB7x3Q6WyVKHfqU6f9iB6Wi31ydea6c.js

699 ms

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682 ms

eabe197

eabe197

1925 ms

style.css

style.css

865 ms

rh-footer-entry.js

rh-footer-entry.js

827 ms

js__dUmq0VBoGPE8KPKu6JYKOU5gQRazZPF8igE2FcpJbqs__VeO8_DaIzZJpC20NGPzzjs7y9ouo-qRs5sJYaoDAF-Y__uaCwYofnUZLAnB7x3Q6WyVKHfqU6f9iB6Wi31ydea6c.js

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851 ms

jquery.gatedform.min.js

jquery.gatedform.min.js

865 ms

scripts.min.js

scripts.min.js

1029 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

1048 ms

osh-stack.min.js

osh-stack.min.js

1054 ms

secondary-navigation-2022.min.js

secondary-navigation-2022.min.js

1909 ms

QORAsB

QORAsB

1073 ms

default.css

default.css

1179 ms

web-icon-globe.svg

web-icon-globe.svg

446 ms

xEofcsd6HGg

xEofcsd6HGg

4731 ms

CgjiBpV42O0

CgjiBpV42O0

4707 ms

KZC2kBk7DMk

KZC2kBk7DMk

4655 ms

wMJMFIeVsw8

wMJMFIeVsw8

4648 ms

talk-bubble.svg

talk-bubble.svg

4603 ms

cloud-native-video-placeholder_0.jpg

cloud-native-video-placeholder_0.jpg

4612 ms

edge-video-placeholder_0.jpg

edge-video-placeholder_0.jpg

4607 ms

ACS-video-thumb.png

ACS-video-thumb.png

4615 ms

ACM-video-thumb.jpg

ACM-video-thumb.jpg

4615 ms

architect-working-on-computer.jpg

architect-working-on-computer.jpg

4617 ms

female-developer-working-on-desktop.jpg

female-developer-working-on-desktop.jpg

5835 ms

man-working-on-laptop-kitchen.jpg

man-working-on-laptop-kitchen.jpg

5839 ms

ideas-to-life-vid-placeholder_0.jpeg

ideas-to-life-vid-placeholder_0.jpeg

5252 ms

developer-at-computer.jpeg

developer-at-computer.jpeg

5256 ms

Employers-agent-at-work.jpeg

Employers-agent-at-work.jpeg

5255 ms

EMP_logo_RGB.png

EMP_logo_RGB.png

5253 ms

volkswagen-card-bkg-370x190.jpg

volkswagen-card-bkg-370x190.jpg

5257 ms

volkswagen-logo-225x158-blue.png

volkswagen-logo-225x158-blue.png

5259 ms

Alliance-Bank-hub-370x190.jpg

Alliance-Bank-hub-370x190.jpg

5255 ms

alliance_bank_logo.png

alliance_bank_logo.png

5257 ms

logo.svg

logo.svg

5260 ms

red-hat-summit-logo.svg

red-hat-summit-logo.svg

5831 ms

web-icon-user.svg

web-icon-user.svg

4593 ms

web-icon-search.svg

web-icon-search.svg

4601 ms

red-hat-ansible-automation.svg

red-hat-ansible-automation.svg

4593 ms

red-hat-openshift.svg

red-hat-openshift.svg

4598 ms

red-hat-enterprise-linux.svg

red-hat-enterprise-linux.svg

4595 ms

dXxuFR_UqRc

dXxuFR_UqRc

4329 ms

V50yN-SZcHc

V50yN-SZcHc

4243 ms

header-dark-gradient-2000x575.jpg

header-dark-gradient-2000x575.jpg

2929 ms

rh-web-iconfont.woff

rh-web-iconfont.woff

764 ms

www-player.css

www-player.css

77 ms

www-embed-player.js

www-embed-player.js

137 ms

base.js

base.js

211 ms

fetch-polyfill.js

fetch-polyfill.js

74 ms

ad_status.js

ad_status.js

623 ms

id

id

555 ms

menus-nav2

menus-nav2

713 ms

WmYtwbYsvJeTDmsuIOmqRAOrqYQ4FznKv6GQB7SOtoo.js

WmYtwbYsvJeTDmsuIOmqRAOrqYQ4FznKv6GQB7SOtoo.js

154 ms

embed.js

embed.js

79 ms

Y-zeT9jJ33tCNYTX0Kw8-3I-ogsAM9wZgys9W8554e8.js

Y-zeT9jJ33tCNYTX0Kw8-3I-ogsAM9wZgys9W8554e8.js

51 ms

Create

Create

1625 ms

Create

Create

1622 ms

Create

Create

1649 ms

Create

Create

1626 ms

css__wpajrf8pWA19ifT2xQXPB3J1TByoCXqZVtt6kXfl4Ow__PFQbFxxWsZl0yTnfrpPiA-o5Pvtu-CXh7nICx08JW0c__uaCwYofnUZLAnB7x3Q6WyVKHfqU6f9iB6Wi31ydea6c.css

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1531 ms

Create

Create

1624 ms

Create

Create

1508 ms

log_event

log_event

1029 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

1026 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

1026 ms

log_event

log_event

298 ms

log_event

log_event

381 ms

log_event

log_event

375 ms

log_event

log_event

377 ms

log_event

log_event

2034 ms

QORAsB

QORAsB

5832 ms

bg_openshift-o-art.png

bg_openshift-o-art.png

4557 ms

bg_openshift-o-art_dark.svg

bg_openshift-o-art_dark.svg

4553 ms

https:/

https:/

1 ms

Accessibility Review

dev.openshift.com accessibility score

84

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

[aria-*] attributes do not match their roles

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

dev.openshift.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

dev.openshift.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 Dev.openshift.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 Dev.openshift.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

dev.openshift.com

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