Tools & Wizards About Us
rcf.it screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

rcf.it

Audio Experience

Page Load Speed

5.1 sec in total

First Response

249 ms

Resources Loaded

4.4 sec

Page Rendered

415 ms

rcf.it screenshot

About Website

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

RCF is a leading technology brand of professional audio equipment, loudspeakers, electronics, DSP, and custom solutions. Established in Italy in 1949, RCF has consistently set new trends in the market...

Visit rcf.it

Key Findings

We analyzed Rcf.it page load time and found that the first response time was 249 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

rcf.it performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.6 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.362

30/100

15%

TTI (Time to Interactive)

Value43.1 s

0/100

10%

Network Requests Diagram

rcf.it

249 ms

en

1196 ms

gtm.js

59 ms

uc.js

29 ms

font-gotham.css

232 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 90% of them (65 requests) were addressed to the original Rcf.it, 6% (4 requests) were made to Googletagmanager.com and 1% (1 request) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Rcf.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 461.0 kB (6%)

Content Size

8.0 MB

After Optimization

7.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rcf.it main page is 8.0 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. 55% of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 140.9 kB

  • Original 166.9 kB
  • After minification 154.4 kB
  • After compression 26.0 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 140.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 229.3 kB

  • Original 7.5 MB
  • After minification 7.2 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. Rcf images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 90.8 kB

  • Original 385.2 kB
  • After minification 385.2 kB
  • After compression 294.4 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 90.8 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (48%)

Requests Now

62

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rcf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rcf.it

rcf.it

249 ms

en

en

1196 ms

gtm.js

gtm.js

59 ms

uc.js

uc.js

29 ms

font-gotham.css

font-gotham.css

232 ms

icomoon.css

icomoon.css

412 ms

font-awesome-5.css

font-awesome-5.css

411 ms

mui-autocomplete.css

mui-autocomplete.css

491 ms

owl.carousel.css

owl.carousel.css

494 ms

owl.theme.default.css

owl.theme.default.css

495 ms

combo

combo

688 ms

main.css

main.css

497 ms

clay.css

clay.css

681 ms

main.css

main.css

656 ms

main.css

main.css

575 ms

main.css

main.css

576 ms

main.css

main.css

578 ms

main.css

main.css

657 ms

main.css

main.css

658 ms

loader.js

loader.js

662 ms

combo

combo

1031 ms

main.css

main.css

916 ms

main.css

main.css

743 ms

froogaloop.js

froogaloop.js

667 ms

owl.carousel.min.js

owl.carousel.min.js

685 ms

owl.carousel.scrollbar.js

owl.carousel.scrollbar.js

689 ms

sharethis.js

sharethis.js

32 ms

main.css

main.css

746 ms

main.js

main.js

746 ms

js

js

205 ms

js

js

123 ms

js

js

52 ms

aui_deprecated.css

aui_deprecated.css

111 ms

804f0f0d-f0a8-b1f8-2a88-bdd28d6a387b

804f0f0d-f0a8-b1f8-2a88-bdd28d6a387b

142 ms

db84f12e-55c2-f711-8d92-a27f41b0feff

db84f12e-55c2-f711-8d92-a27f41b0feff

445 ms

06b8a7ef-d1af-a540-b4b0-58ce1adecda0

06b8a7ef-d1af-a540-b4b0-58ce1adecda0

520 ms

9a7acb61-fb68-498d-b773-a5e27c4f1a84

9a7acb61-fb68-498d-b773-a5e27c4f1a84

344 ms

91fe1fb5-a74a-b028-9d65-a9104d33ef80

91fe1fb5-a74a-b028-9d65-a9104d33ef80

526 ms

0d51abfc-6974-4298-005a-59284d6826c9

0d51abfc-6974-4298-005a-59284d6826c9

142 ms

b15ed1f9-8c19-ecf7-1ebe-4f744c99384c

b15ed1f9-8c19-ecf7-1ebe-4f744c99384c

360 ms

7d302b8e-095e-12c4-27ce-f1281dae955b

7d302b8e-095e-12c4-27ce-f1281dae955b

389 ms

0509ece6-328c-9231-60e2-dd91d3f8acb4

0509ece6-328c-9231-60e2-dd91d3f8acb4

782 ms

e49d355e-844c-e99c-c81a-432ad0cf6cf8

e49d355e-844c-e99c-c81a-432ad0cf6cf8

483 ms

c6cd7c47-3ed1-a6ed-87d0-431f60a2ed93

c6cd7c47-3ed1-a6ed-87d0-431f60a2ed93

952 ms

0ddbf42b-979c-37cb-7663-ab2b0eef71d1

0ddbf42b-979c-37cb-7663-ab2b0eef71d1

573 ms

a17d5f9d-e79a-d46d-224e-6dc81f058661

a17d5f9d-e79a-d46d-224e-6dc81f058661

1005 ms

15de21f2-0d05-beef-5f2e-06bea5bb240e

15de21f2-0d05-beef-5f2e-06bea5bb240e

1537 ms

46f88230-3add-50c8-919d-e75f49ea81d8

46f88230-3add-50c8-919d-e75f49ea81d8

662 ms

aa855e8f-63b7-9e3b-4205-31a20449cf1f

aa855e8f-63b7-9e3b-4205-31a20449cf1f

730 ms

8988e23d-5951-cfcd-38cb-f01ca8184088

8988e23d-5951-cfcd-38cb-f01ca8184088

772 ms

b6531617-f66d-6775-e383-c3e3974ff5c3

b6531617-f66d-6775-e383-c3e3974ff5c3

840 ms

c731282a-e77a-e309-f8e8-317ae3dfd032

c731282a-e77a-e309-f8e8-317ae3dfd032

925 ms

7bb32f2c-45d9-27c2-9a33-07d3a5676470

7bb32f2c-45d9-27c2-9a33-07d3a5676470

886 ms

ebf9aaf6-58d1-83b2-d4c6-cd94be801def

ebf9aaf6-58d1-83b2-d4c6-cd94be801def

1029 ms

d50fd27b-85f7-216b-beb7-20491ed9dbdb

d50fd27b-85f7-216b-beb7-20491ed9dbdb

1085 ms

cdb6cd14-0378-8f07-d209-807b4541d2d8

cdb6cd14-0378-8f07-d209-807b4541d2d8

1098 ms

89709923-8008-8105-5781-ca25f2b2956f

89709923-8008-8105-5781-ca25f2b2956f

1148 ms

0616479d-e76c-1111-9e31-7a35f99f459c

0616479d-e76c-1111-9e31-7a35f99f459c

1164 ms

7ea3fdee-c1bf-3512-8b3a-24633e0fb1bf

7ea3fdee-c1bf-3512-8b3a-24633e0fb1bf

1119 ms

303eea22-476e-17ae-8236-134cacab6533

303eea22-476e-17ae-8236-134cacab6533

1195 ms

fdd57983-c8d1-7570-7481-f89f150a8b7f

fdd57983-c8d1-7570-7481-f89f150a8b7f

1189 ms

9cf816fa-4c8c-df43-df63-5bd5b1e923a0

9cf816fa-4c8c-df43-df63-5bd5b1e923a0

1218 ms

icomoon.ttf

icomoon.ttf

1209 ms

Go_Medium.woff

Go_Medium.woff

1234 ms

Go_Book.woff

Go_Book.woff

1257 ms

fa-solid-900.woff

fa-solid-900.woff

1263 ms

fa-regular-400.woff

fa-regular-400.woff

1289 ms

fa-brands-400.woff

fa-brands-400.woff

1279 ms

17305d68-62fc-a6fd-70c0-dd9d2c1a3989

17305d68-62fc-a6fd-70c0-dd9d2c1a3989

1270 ms

GothamNarrow-Book.woff

GothamNarrow-Book.woff

1222 ms

GothamNarrow-Light.woff

GothamNarrow-Light.woff

1238 ms

fbevents.js

fbevents.js

33 ms

Accessibility Review

rcf.it accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

rcf.it 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

rcf.it SEO score

77

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

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 Rcf.it 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 Rcf.it 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

rcf.it

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