Tools & Wizards About Us
pbsworks.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

pbsworks.com

High-performance Computing (HPC) and Cloud Solutions | Altair

Page Load Speed

1.6 sec in total

First Response

114 ms

Resources Loaded

1.1 sec

Page Rendered

373 ms

pbsworks.com screenshot

About Website

Click here to check amazing Pbsworks content for United States. Otherwise, check out these important facts you probably never knew about pbsworks.com

Altair’s industry leading HPC tools, solutions & applications let you orchestrate, visualize, optimize, and analyse your most demanding workloads, easily migrating to the cloud and eliminating I/O bot...

Visit pbsworks.com

Key Findings

We analyzed Pbsworks.com page load time and found that the first response time was 114 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

pbsworks.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value22.4 s

0/100

10%

TBT (Total Blocking Time)

Value32,190 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.107

88/100

15%

TTI (Time to Interactive)

Value49.1 s

0/100

10%

Network Requests Diagram

pbsworks.com

114 ms

default.aspx

191 ms

normalize.css

71 ms

main.css

186 ms

int.css

155 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 55% of them (31 requests) were addressed to the original Pbsworks.com, 30% (17 requests) were made to Resources.altair.com and 5% (3 requests) were made to Fast.wistia.com. The less responsive or slowest element that took the longest time to load (366 ms) relates to the external source Resources.altair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 998.9 kB (40%)

Content Size

2.5 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pbsworks.com 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 74.4 kB

  • Original 103.6 kB
  • After minification 88.7 kB
  • After compression 29.2 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 14.9 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 74.4 kB or 72% of the original size.

Image Optimization

-14%

Potential reduce by 187.1 kB

  • Original 1.3 MB
  • After minification 1.1 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, Pbsworks needs image optimization as it can save up to 187.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 684.8 kB

  • Original 998.4 kB
  • After minification 970.4 kB
  • After compression 313.6 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 684.8 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 52.6 kB

  • Original 63.3 kB
  • After minification 45.3 kB
  • After compression 10.8 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. Pbsworks.com needs all CSS files to be minified and compressed as it can save up to 52.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (30%)

Requests Now

50

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pbsworks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pbsworks.com

pbsworks.com

114 ms

default.aspx

default.aspx

191 ms

normalize.css

normalize.css

71 ms

main.css

main.css

186 ms

int.css

int.css

155 ms

modernizr-2.7.1-min.js

modernizr-2.7.1-min.js

101 ms

WebResource.axd

WebResource.axd

87 ms

WebResource.axd

WebResource.axd

62 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

137 ms

plugins.js

plugins.js

96 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

113 ms

main.js

main.js

99 ms

jquery.fancybox.css

jquery.fancybox.css

135 ms

popover-v1.js

popover-v1.js

102 ms

integrations-hubspot-v1.js

integrations-hubspot-v1.js

47 ms

gtm.js

gtm.js

128 ms

OpenField_slider.png

OpenField_slider.png

366 ms

HWUL-VA_slider.png

HWUL-VA_slider.png

329 ms

HPCOil&Gas_slider.png

HPCOil&Gas_slider.png

325 ms

Taurus_slider.png

Taurus_slider.png

326 ms

Airbus_slider.png

Airbus_slider.png

329 ms

Nikolaos%20Trikoupis.jpg

Nikolaos%20Trikoupis.jpg

323 ms

Car_Crash_238x178.png

Car_Crash_238x178.png

330 ms

Intel_Solution_Brief_178x238.png

Intel_Solution_Brief_178x238.png

337 ms

PBSW_LatestResources_WeatherSolutions.jpg

PBSW_LatestResources_WeatherSolutions.jpg

329 ms

Ping_Golf_244x137.jpg

Ping_Golf_244x137.jpg

330 ms

PBSW_hp_cs_NSCEE-INLV.jpg

PBSW_hp_cs_NSCEE-INLV.jpg

331 ms

PBSW_hp_cs_GWS.jpg

PBSW_hp_cs_GWS.jpg

332 ms

PBS_latestResources_PING.png

PBS_latestResources_PING.png

334 ms

PBSW_hp_cs_TowerI.jpg

PBSW_hp_cs_TowerI.jpg

333 ms

PBSW_hp_cs_UofN.jpg

PBSW_hp_cs_UofN.jpg

331 ms

bg_history.jpg

bg_history.jpg

337 ms

OGHPC_logo_frontpg.png

OGHPC_logo_frontpg.png

335 ms

bg_corporate.png

bg_corporate.png

73 ms

bg_search.png

bg_search.png

75 ms

g_flag_usa.png

g_flag_usa.png

74 ms

g_logo.png

g_logo.png

71 ms

bg_splash.png

bg_splash.png

76 ms

g_arrows.png

g_arrows.png

72 ms

bg_carousel.png

bg_carousel.png

78 ms

bg_subscribe.png

bg_subscribe.png

74 ms

l_24x24_linked_in_gray.png

l_24x24_linked_in_gray.png

79 ms

l_24x24_Facebook_gray.png

l_24x24_Facebook_gray.png

77 ms

l_24x24_twitter_gray.png

l_24x24_twitter_gray.png

108 ms

l_24x24_youtube_gray.png

l_24x24_youtube_gray.png

109 ms

24229E_2_0.woff

24229E_2_0.woff

220 ms

24229E_1_0.woff

24229E_1_0.woff

227 ms

24229E_0_0.woff

24229E_0_0.woff

223 ms

DaxCompactWeb.woff

DaxCompactWeb.woff

220 ms

analytics.js

analytics.js

165 ms

47251.js

47251.js

176 ms

bg_play.png

bg_play.png

77 ms

bg_checkbox.png

bg_checkbox.png

78 ms

embed_shepherd-v1.js

embed_shepherd-v1.js

175 ms

collect

collect

24 ms

collect

collect

32 ms

Accessibility Review

pbsworks.com accessibility score

91

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

pbsworks.com 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

pbsworks.com SEO score

82

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

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

High

Tap targets are not sized appropriately

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 Pbsworks.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 Pbsworks.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

pbsworks.com

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