Tools & Wizards About Us
jdsu.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jdsu.com

VIAVI Solutions | Network Test, Monitoring, and Assurance

Page Load Speed

8.7 sec in total

First Response

301 ms

Resources Loaded

5.3 sec

Page Rendered

3.1 sec

jdsu.com screenshot

About Website

Visit jdsu.com now to see the best up-to-date Jdsu content for United States and also check out these interesting facts you probably never knew about jdsu.com

Global provider of network test, monitoring and assurance solutions for communications service providers, enterprises, network equipment manufacturers, original equipment manufacturers, government and...

Visit jdsu.com

Key Findings

We analyzed Jdsu.com page load time and found that the first response time was 301 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

jdsu.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value22.3 s

0/100

25%

SI (Speed Index)

Value24.7 s

0/100

10%

TBT (Total Blocking Time)

Value29,170 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value37.4 s

0/100

10%

Network Requests Diagram

en-us

301 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

149 ms

css_zMrHrPBh3IRvLRmWRz4m6AYjZU-oxyxIqwlT2k0TdXI.css

157 ms

css_jMfdbE4edp7zmYYOi90wN-tK2YTz5dSp5e3gyOAI148.css

168 ms

css_A5_dwGDXtJctne_4qydva8FKkAt9-BZtOFhZcc8Xfr0.css

268 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Jdsu.com, 21% (12 requests) were made to Use.typekit.net and 9% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Viavisolutions.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (64%)

Content Size

1.9 MB

After Optimization

691.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jdsu.com main page is 1.9 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. 65% of websites need less resources to load. Javascripts take 712.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 94.4 kB

  • Original 113.2 kB
  • After minification 107.0 kB
  • After compression 18.7 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 94.4 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 19.6 kB

  • Original 459.3 kB
  • After minification 439.7 kB

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. Jdsu images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 563.0 kB

  • Original 712.1 kB
  • After minification 494.7 kB
  • After compression 149.1 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 563.0 kB or 79% of the original size.

CSS Optimization

-87%

Potential reduce by 551.6 kB

  • Original 635.2 kB
  • After minification 625.2 kB
  • After compression 83.5 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. Jdsu.com needs all CSS files to be minified and compressed as it can save up to 551.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (49%)

Requests Now

45

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jdsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

en-us

en-us

301 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

149 ms

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css_zMrHrPBh3IRvLRmWRz4m6AYjZU-oxyxIqwlT2k0TdXI.css

157 ms

css_jMfdbE4edp7zmYYOi90wN-tK2YTz5dSp5e3gyOAI148.css

css_jMfdbE4edp7zmYYOi90wN-tK2YTz5dSp5e3gyOAI148.css

168 ms

css_A5_dwGDXtJctne_4qydva8FKkAt9-BZtOFhZcc8Xfr0.css

css_A5_dwGDXtJctne_4qydva8FKkAt9-BZtOFhZcc8Xfr0.css

268 ms

css_33d-gogKhfcxzy8lTabvcss4XeidTe7fp2e3Qy7DXNI.css

css_33d-gogKhfcxzy8lTabvcss4XeidTe7fp2e3Qy7DXNI.css

203 ms

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399 ms

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224 ms

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596 ms

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329 ms

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305 ms

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375 ms

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594 ms

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577 ms

paa2llv.js

paa2llv.js

38 ms

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js_2sZfxXel7jEEqHb_HlNj1O8PFQ3A08S3IR7kW1gua3A.js

525 ms

www.viavisolutions.com

www.viavisolutions.com

285 ms

gtm.js

gtm.js

685 ms

logo.png

logo.png

684 ms

hero-stripe-blue.png

hero-stripe-blue.png

568 ms

hero-hompage-sightops.jpg

hero-hompage-sightops.jpg

1545 ms

icon-tax-enterprise_0.png

icon-tax-enterprise_0.png

545 ms

icon-tax-wireline.png

icon-tax-wireline.png

519 ms

icon-tax-wireless.png

icon-tax-wireless.png

544 ms

icon-tax-manufacturers.png

icon-tax-manufacturers.png

520 ms

icon-tax-cloud.png

icon-tax-cloud.png

546 ms

home-block-mwc.jpg

home-block-mwc.jpg

548 ms

feature-banner-wireshark-week.png

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1544 ms

feature-banner-gartner-half.jpg

feature-banner-gartner-half.jpg

574 ms

home-block-4.jpg

home-block-4.jpg

521 ms

sales-menu.png

sales-menu.png

522 ms

sprites.png

sprites.png

522 ms

elqCfg.min.js

elqCfg.min.js

255 ms

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232 ms

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230 ms

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259 ms

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258 ms

fontello.woff

fontello.woff

265 ms

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252 ms

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252 ms

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252 ms

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257 ms

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257 ms

analytics.js

analytics.js

90 ms

insight.min.js

insight.min.js

550 ms

elqCfg.min.js

elqCfg.min.js

64 ms

fontello.ttf

fontello.ttf

237 ms

svrGP

svrGP

238 ms

linkid.js

linkid.js

179 ms

ec.js

ec.js

179 ms

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svrGP.aspx

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p.gif

p.gif

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Accessibility Review

jdsu.com accessibility score

68

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

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

High

[aria-*] attributes do not have valid values

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

jdsu.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jdsu.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

    EN

  • Encoding

    UTF-8

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

jdsu.com

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