Tools & Wizards About Us
rootslab.radio.fr screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

rootslab.radio.fr

Radio en direct : Écoutez gratuitement la radio sur internet

Page Load Speed

5.5 sec in total

First Response

437 ms

Resources Loaded

4.4 sec

Page Rendered

612 ms

rootslab.radio.fr screenshot

About Website

Visit rootslab.radio.fr now to see the best up-to-date Roots La B Radio content for France and also check out these interesting facts you probably never knew about rootslab.radio.fr

Découvrez la radio et la musique en direct sur plus de 60 000 stations de radio nationales et internationales. Écoutez gratuitement sur radio.fr.

Visit rootslab.radio.fr

Key Findings

We analyzed Rootslab.radio.fr page load time and found that the first response time was 437 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

rootslab.radio.fr performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value2,810 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

www.radio.fr

437 ms

zenbox.css

57 ms

radio.css

523 ms

omsv_container_151.js

122 ms

iam.js

400 ms

Our browser made a total of 272 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Rootslab.radio.fr, 5% (14 requests) were made to Pixel.rubiconproject.com and 4% (10 requests) were made to S1.2mdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Static.radio.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (55%)

Content Size

3.3 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rootslab.radio.fr main page is 3.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 131.1 kB

  • Original 163.4 kB
  • After minification 144.1 kB
  • After compression 32.3 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 19.3 kB, which is 12% 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 131.1 kB or 80% of the original size.

Image Optimization

-13%

Potential reduce by 134.0 kB

  • Original 993.1 kB
  • After minification 859.0 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, Roots La B Radio needs image optimization as it can save up to 134.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 1.1 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 609.5 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 1.1 MB or 63% of the original size.

CSS Optimization

-100%

Potential reduce by 494.7 kB

  • Original 495.1 kB
  • After minification 962 B
  • After compression 439 B

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. Rootslab.radio.fr needs all CSS files to be minified and compressed as it can save up to 494.7 kB or 100% of the original size.

Requests Breakdown

Number of requests can be reduced by 142 (56%)

Requests Now

255

After Optimization

113

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 255 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roots La B Radio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 72 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.radio.fr

www.radio.fr

437 ms

zenbox.css

zenbox.css

57 ms

radio.css

radio.css

523 ms

omsv_container_151.js

omsv_container_151.js

122 ms

iam.js

iam.js

400 ms

radio-built-f8d3a0c0138c9ba0890258e23d971f22a41fdbe1.js

radio-built-f8d3a0c0138c9ba0890258e23d971f22a41fdbe1.js

802 ms

zenbox.js

zenbox.js

29 ms

gpt.js

gpt.js

3 ms

rc

rc

211 ms

26865,26867,26869,26871

26865,26867,26869,26871

91 ms

rta.js

rta.js

30 ms

pubads_impl_81.js

pubads_impl_81.js

14 ms

container.html

container.html

10 ms

default.js

default.js

164 ms

p.min.js

p.min.js

36 ms

c44.png

c44.png

163 ms

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465 ms

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477 ms

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478 ms

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476 ms

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532 ms

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533 ms

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c44.png

532 ms

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530 ms

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693 ms

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692 ms

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691 ms

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747 ms

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745 ms

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746 ms

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746 ms

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923 ms

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916 ms

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916 ms

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916 ms

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916 ms

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1027 ms

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1027 ms

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1026 ms

c44.png

c44.png

1025 ms

ads

ads

130 ms

data

data

558 ms

gtm.js

gtm.js

90 ms

DINWebPro-Light.woff

DINWebPro-Light.woff

1149 ms

ads

ads

304 ms

translations.json

translations.json

290 ms

account

account

631 ms

localstations

localstations

870 ms

topstations

topstations

765 ms

DINWebPro.woff

DINWebPro.woff

836 ms

ads

ads

325 ms

container.html

container.html

64 ms

ads

ads

122 ms

radio_de_icons.woff

radio_de_icons.woff

723 ms

DINWebPro-Cond.woff

DINWebPro-Cond.woff

921 ms

c44.png

c44.png

723 ms

c44.png

c44.png

722 ms

c44.png

c44.png

822 ms

osd.js

osd.js

113 ms

client:plus.js

client:plus.js

103 ms

analytics.js

analytics.js

66 ms

c44.png

c44.png

766 ms

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767 ms

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872 ms

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872 ms

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866 ms

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867 ms

normal-s2ec5f50070.png

normal-s2ec5f50070.png

1377 ms

tab_de_support.png

tab_de_support.png

282 ms

close_big.png

close_big.png

137 ms

log.js

log.js

165 ms

watch.js

watch.js

942 ms

5031895175556575322

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201 ms

ads

ads

100 ms

sdk.js

sdk.js

138 ms

loading.html

loading.html

91 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

160 ms

linkid.js

linkid.js

60 ms

adex.js

adex.js

341 ms

adrtxtag.min.js

adrtxtag.min.js

239 ms

ads

ads

257 ms

ads

ads

114 ms

www.radio.fr.js

www.radio.fr.js

68 ms

load_large.gif

load_large.gif

49 ms

collect

collect

39 ms

collect

collect

162 ms

collect

collect

69 ms

jstag

jstag

251 ms

241 ms

gpt.js

gpt.js

140 ms

xd_arbiter.php

xd_arbiter.php

136 ms

xd_arbiter.php

xd_arbiter.php

194 ms

postmessageRelay

postmessageRelay

212 ms

recents

recents

183 ms

2.gif

2.gif

137 ms

ga-audiences

ga-audiences

87 ms

ads

ads

407 ms

t.js

t.js

119 ms

api.js

api.js

58 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

62 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

57 ms

c175.png

c175.png

349 ms

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368 ms

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357 ms

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364 ms

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429 ms

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468 ms

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475 ms

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485 ms

acj

acj

421 ms

c175.png

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583 ms

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507 ms

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623 ms

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527 ms

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616 ms

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666 ms

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673 ms

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716 ms

1.gif

1.gif

143 ms

analytic.js

analytic.js

223 ms

222 ms

nowplayingbystations

nowplayingbystations

139 ms

acj

acj

362 ms

ajs.php

ajs.php

86 ms

pixel

pixel

19 ms

lg.php

lg.php

18 ms

acj

acj

372 ms

cm.gif

cm.gif

96 ms

advert.gif

advert.gif

94 ms

pd

pd

13 ms

11438.js

11438.js

12 ms

ri

ri

81 ms

0f84c490-5842-ae51-59a2-326da54f8924

0f84c490-5842-ae51-59a2-326da54f8924

39 ms

pixel

pixel

12 ms

sync

sync

17 ms

sd

sd

6 ms

364310-15.js

364310-15.js

113 ms

sd

sd

4 ms

sd

sd

4 ms

2.gif

2.gif

90 ms

pd

pd

9 ms

sync

sync

10 ms

ri

ri

78 ms

openx

openx

12 ms

364314-2.js

364314-2.js

92 ms

sd

sd

8 ms

1

1

84 ms

sd

sd

4 ms

openx

openx

5 ms

sd

sd

4 ms

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sd

5 ms

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sd

5 ms

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sd

4 ms

0RThG477c6_1843574907.html

0RThG477c6_1843574907.html

10 ms

emily.html

emily.html

12 ms

emily.html

emily.html

14 ms

cl

cl

66 ms

creative_add_on.js

creative_add_on.js

65 ms

32129835

32129835

264 ms

zh6s0cmt_728x90.png

zh6s0cmt_728x90.png

37 ms

ca

ca

26 ms

tap.php

tap.php

16 ms

pixel.htm

pixel.htm

73 ms

modernizr_2.8.3_ec185bb44fe5e6bf7455d6e8ef37ed0e_no-classes.js

modernizr_2.8.3_ec185bb44fe5e6bf7455d6e8ef37ed0e_no-classes.js

89 ms

lidar.js

lidar.js

19 ms

analytics.js

analytics.js

186 ms

controltag

controltag

252 ms

rs.js

rs.js

253 ms

smart_tag.js

smart_tag.js

818 ms

g-3467.xgi

g-3467.xgi

112 ms

channels.js

channels.js

77 ms

pd

pd

18 ms

adsbygoogle.js

adsbygoogle.js

14 ms

ri

ri

167 ms

ddc.htm

ddc.htm

122 ms

ox

ox

160 ms

ca-pub-8323069366462793.js

ca-pub-8323069366462793.js

272 ms

zrt_lookup.html

zrt_lookup.html

275 ms

show_ads_impl.js

show_ads_impl.js

176 ms

tap.php

tap.php

276 ms

index.html

index.html

356 ms

rubicon

rubicon

89 ms

rubicon.ashx

rubicon.ashx

271 ms

rc

rc

211 ms

pixel

pixel

116 ms

GenericUserSync.ashx

GenericUserSync.ashx

236 ms

302 ms

tap.php

tap.php

132 ms

loaded.js

loaded.js

121 ms

tap.php

tap.php

136 ms

tap.php

tap.php

141 ms

generic

generic

89 ms

tap.php

tap.php

133 ms

controltag.js.3269b976cac0388f80dbfdb09d96a4e7

controltag.js.3269b976cac0388f80dbfdb09d96a4e7

162 ms

rpc.flow

rpc.flow

133 ms

vce_st.js

vce_st.js

105 ms

ads

ads

284 ms

tap.php

tap.php

68 ms

sd

sd

57 ms

tap.php

tap.php

54 ms

postback

postback

72 ms

set

set

63 ms

tap.php

tap.php

43 ms

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sd

37 ms

p2

p2

36 ms

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tap.php

33 ms

p

p

24 ms

p

p

66 ms

tap.php

tap.php

20 ms

tap.php

tap.php

16 ms

tap.php

tap.php

39 ms

DcmEnabler_01_83.js

DcmEnabler_01_83.js

14 ms

btn-replay-24.png

btn-replay-24.png

9 ms

logo-24.png

logo-24.png

17 ms

new-family.png

new-family.png

24 ms

text-a2.jpg

text-a2.jpg

29 ms

txt2.png

txt2.png

38 ms

cta-txt-24.png

cta-txt-24.png

35 ms

fabric.jpg

fabric.jpg

35 ms

bg-15.jpg

bg-15.jpg

36 ms

m_js_controller.js

m_js_controller.js

6 ms

abg.js

abg.js

30 ms

favicon

favicon

64 ms

favicon

favicon

59 ms

favicon

favicon

66 ms

favicon

favicon

51 ms

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favicon

65 ms

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nessie_icon_tiamat_white.png

32 ms

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22 ms

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5 ms

activeview

activeview

15 ms

surly.js

surly.js

8 ms

ba.html

ba.html

26 ms

cms-2c.html

cms-2c.html

44 ms

postback

postback

57 ms

4.gif

4.gif

6 ms

a.gif

a.gif

161 ms

2532.js

2532.js

16 ms

2964

2964

105 ms

Pug

Pug

34 ms

rum

rum

24 ms

sync

sync

10 ms

tap.php

tap.php

27 ms

pixel

pixel

25 ms

demconf.jpg

demconf.jpg

20 ms

rum

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35 ms

385636.gif

385636.gif

32 ms

match-result

match-result

87 ms

m.gif

m.gif

51 ms

rs

rs

51 ms

postback

postback

31 ms

m_yahoo.gif

m_yahoo.gif

11 ms

pixel.gif

pixel.gif

11 ms

get

get

45 ms

optout_check

optout_check

43 ms

box_19_top-right.png

box_19_top-right.png

30 ms

nr-885.min.js

nr-885.min.js

47 ms

ci.png

ci.png

8 ms

ui

ui

12 ms

Accessibility Review

rootslab.radio.fr accessibility score

90

Accessibility Issues

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

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

rootslab.radio.fr best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rootslab.radio.fr SEO score

99

Search Engine Optimization Advices

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

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rootslab.radio.fr can be misinterpreted by Google and other search engines. Our service has detected that French 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 Rootslab.radio.fr 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

rootslab.radio.fr

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