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crescendonetworks.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% 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

  • 93

    SEO

    Google-friendlier than
    84% of websites

crescendonetworks.com

F5 | Multi-Cloud Security and Application Delivery

Page Load Speed

19.4 sec in total

First Response

619 ms

Resources Loaded

18.3 sec

Page Rendered

498 ms

crescendonetworks.com screenshot

About Website

Welcome to crescendonetworks.com homepage info - get ready to check Crescendonetworks best content right away, or after learning these important things about crescendonetworks.com

F5 application services ensure that applications are always secure and perform the way they should—in any environment and on any device.

Visit crescendonetworks.com

Key Findings

We analyzed Crescendonetworks.com page load time and found that the first response time was 619 ms and then it took 18.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

crescendonetworks.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

www.f5.com

619 ms

clientlib-base.66ebbcc36e6a8de0d106c6955485c4b3.css

511 ms

clientlib-components.ab5c2646f090f06e97b82e7d2134d3d2.css

157 ms

notice

86 ms

utag.sync.js

86 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Crescendonetworks.com, 8% (2 requests) were made to Mktg.tags.f5.com and 4% (1 request) were made to Consent.trustarc.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source F5.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 384.1 kB (67%)

Content Size

569.7 kB

After Optimization

185.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Crescendonetworks.com main page is 569.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. HTML takes 364.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 313.5 kB

  • Original 364.9 kB
  • After minification 220.7 kB
  • After compression 51.4 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 144.2 kB, which is 40% 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 313.5 kB or 86% of the original size.

Image Optimization

-61%

Potential reduce by 70.4 kB

  • Original 115.8 kB
  • After minification 45.3 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. Obviously, Crescendonetworks needs image optimization as it can save up to 70.4 kB or 61% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 118 B

  • Original 89.0 kB
  • After minification 89.0 kB
  • After compression 88.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 8 (33%)

Requests Now

24

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crescendonetworks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.f5.com

www.f5.com

619 ms

clientlib-base.66ebbcc36e6a8de0d106c6955485c4b3.css

clientlib-base.66ebbcc36e6a8de0d106c6955485c4b3.css

511 ms

clientlib-components.ab5c2646f090f06e97b82e7d2134d3d2.css

clientlib-components.ab5c2646f090f06e97b82e7d2134d3d2.css

157 ms

notice

notice

86 ms

utag.sync.js

utag.sync.js

86 ms

v3.6.0.abec7e706514e7e243d79b097790f71b.js

v3.6.0.abec7e706514e7e243d79b097790f71b.js

472 ms

container.027d01df25f17066242db969c9bf2ade.js

container.027d01df25f17066242db969c9bf2ade.js

335 ms

clientlib-base.1e1de37aa28dc64de676096dbc7e2b20.js

clientlib-base.1e1de37aa28dc64de676096dbc7e2b20.js

345 ms

clientlib-components.967f64f579ce20a245f7848e5a3c68ff.js

clientlib-components.967f64f579ce20a245f7848e5a3c68ff.js

561 ms

v1.js

v1.js

1335 ms

icon-globe.svg

icon-globe.svg

126 ms

f5-logo.svg

f5-logo.svg

450 ms

kara-sprague-blog-thumb_1200x675.jpg

kara-sprague-blog-thumb_1200x675.jpg

438 ms

blog-f5-unlocking-power%20of%20ai_1200x675.png

blog-f5-unlocking-power%20of%20ai_1200x675.png

449 ms

blog-f5-shifting-left-protect-apis_1200x675.png

blog-f5-shifting-left-protect-apis_1200x675.png

264 ms

mcgraw-hill-logo_og_1200x675.png

mcgraw-hill-logo_og_1200x675.png

291 ms

f5-labs-logo-square_38313D.svg

f5-labs-logo-square_38313D.svg

577 ms

f5-devcentral-jimmy_000000.svg

f5-devcentral-jimmy_000000.svg

392 ms

users-star.svg

users-star.svg

506 ms

myf5-logo-square_38313D.svg

myf5-logo-square_38313D.svg

543 ms

partner-central-logo-square_38313D.svg

partner-central-logo-square_38313D.svg

1681 ms

Logo_F5.svg

Logo_F5.svg

580 ms

utag.js

utag.js

59 ms

search.svg

search.svg

547 ms

Neusa-Reg.woff

Neusa-Reg.woff

897 ms

jsonLD-homepage-v1.js

jsonLD-homepage-v1.js

484 ms

Accessibility Review

crescendonetworks.com accessibility score

91

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

[role]s do not have all required [aria-*] attributes

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

Heading elements are not in a sequentially-descending order

Best Practices

crescendonetworks.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

crescendonetworks.com SEO score

93

Search Engine Optimization Advices

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 Crescendonetworks.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 Crescendonetworks.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

crescendonetworks.com

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