Tools & Wizards About Us
lab.rtve.es screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

lab.rtve.es

Laboratorio de Innovación Audiovisual de RTVE - Lab RTVE

Page Load Speed

8.5 sec in total

First Response

110 ms

Resources Loaded

4.2 sec

Page Rendered

4.2 sec

lab.rtve.es screenshot

About Website

Welcome to lab.rtve.es homepage info - get ready to check Lab RTVE best content for Spain right away, or after learning these important things about lab.rtve.es

Laboratorio de Innovación de RTVE, que ofrece enfoques creativos a soluciones audiovisuales. Ponnos a prueba, nos encantan los retos.

Visit lab.rtve.es

Key Findings

We analyzed Lab.rtve.es page load time and found that the first response time was 110 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

lab.rtve.es performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value5,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value20.9 s

1/100

10%

Network Requests Diagram

lab.rtve.es

110 ms

207 ms

78 ms

rtve.enblanco.portada.desktp.css

141 ms

TE_SCOCHEV.desktp.por.css

192 ms

Our browser made a total of 229 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Lab.rtve.es, 47% (107 requests) were made to Img.rtve.es and 15% (34 requests) were made to Css2.rtve.es. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Img.rtve.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (16%)

Content Size

18.8 MB

After Optimization

15.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lab.rtve.es main page is 18.8 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. Only a small number of websites need less resources to load. Images take 17.6 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 447.6 kB

  • Original 502.4 kB
  • After minification 414.3 kB
  • After compression 54.8 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 88.1 kB, which is 18% 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 447.6 kB or 89% of the original size.

Image Optimization

-15%

Potential reduce by 2.6 MB

  • Original 17.6 MB
  • After minification 15.0 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, Lab RTVE needs image optimization as it can save up to 2.6 MB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 31.7 kB

  • Original 628.1 kB
  • After minification 626.4 kB
  • After compression 596.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-18%

Potential reduce by 3.9 kB

  • Original 22.4 kB
  • After minification 22.3 kB
  • After compression 18.5 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. Lab.rtve.es needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (32%)

Requests Now

219

After Optimization

149

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 219 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab RTVE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lab.rtve.es

lab.rtve.es

110 ms

207 ms

78 ms

rtve.enblanco.portada.desktp.css

rtve.enblanco.portada.desktp.css

141 ms

TE_SCOCHEV.desktp.por.css

TE_SCOCHEV.desktp.por.css

192 ms

blank.gif

blank.gif

79 ms

desktp.subheader.css

desktp.subheader.css

70 ms

TE_SCOCHEV.desktp.cab.css

TE_SCOCHEV.desktp.cab.css

149 ms

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84 ms

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155 ms

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206794

315 ms

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150 ms

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193 ms

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16066114

177 ms

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16001234

340 ms

15993581

15993581

454 ms

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293 ms

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15956937

622 ms

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319 ms

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500 ms

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457 ms

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516 ms

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458 ms

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568 ms

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626 ms

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621 ms

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883 ms

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846 ms

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1002 ms

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683 ms

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698 ms

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771 ms

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846 ms

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791 ms

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880 ms

15949645

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955 ms

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955 ms

15949629

15949629

1198 ms

15949619

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1195 ms

15949615

15949615

1394 ms

15949608

15949608

1470 ms

15949601

15949601

1195 ms

15949592

15949592

1194 ms

15949583

15949583

1433 ms

fondo.jpg

fondo.jpg

116 ms

logo_lab.png

logo_lab.png

189 ms

logoRTVE.png

logoRTVE.png

48 ms

16121466

16121466

622 ms

16121784

16121784

174 ms

16122913

16122913

60 ms

16123135

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618 ms

16123181

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155 ms

16124308

16124308

631 ms

16154343

16154343

179 ms

16155290

16155290

491 ms

16155330

16155330

178 ms

require.js

require.js

41 ms

rtveplay-modules.js

rtveplay-modules.js

43 ms

PG_logo_RTVEes.png

PG_logo_RTVEes.png

174 ms

PG_logo_TVE.png

PG_logo_TVE.png

175 ms

PG_logo_RNE.png

PG_logo_RNE.png

175 ms

PG_logo_RTVE.png

PG_logo_RTVE.png

178 ms

basics.subheader.css

basics.subheader.css

11 ms

15949578

15949578

1351 ms

rtve.basics.commons.css

rtve.basics.commons.css

89 ms

15949574

15949574

1260 ms

15949562

15949562

1254 ms

desktp.header.css

desktp.header.css

91 ms

desktp.services.css

desktp.services.css

144 ms

desktp.footer.css

desktp.footer.css

90 ms

TE_SCOCHEV.basics.por.css

TE_SCOCHEV.basics.por.css

92 ms

15949552

15949552

1464 ms

15949542

15949542

1931 ms

basics.fonts.css

basics.fonts.css

90 ms

basics.core.css

basics.core.css

7 ms

basics.header.css

basics.header.css

11 ms

style.css

style.css

90 ms

icon

icon

28 ms

15949531

15949531

1217 ms

15949521

15949521

1418 ms

15949510

15949510

1297 ms

15949502

15949502

1281 ms

rtve-icon_point_up.svg

rtve-icon_point_up.svg

99 ms

rtve-icon_users_000000.svg

rtve-icon_users_000000.svg

92 ms

rtve-icon_search_000000.svg

rtve-icon_search_000000.svg

100 ms

rtve-icon_menu_000000.svg

rtve-icon_menu_000000.svg

97 ms

rtve-icon_point_down.svg

rtve-icon_point_down.svg

99 ms

TE_SCOCHEV.lab.logo.cab.png

TE_SCOCHEV.lab.logo.cab.png

151 ms

TE_SCOCHEV.tiktok.izq.jpg

TE_SCOCHEV.tiktok.izq.jpg

101 ms

TE_SCOCHEV.tiktok.dcha.jpg

TE_SCOCHEV.tiktok.dcha.jpg

202 ms

TE_SCOCHEV.be_witness.jpg

TE_SCOCHEV.be_witness.jpg

202 ms

TE_SCOCHEV.rrss.jpg

TE_SCOCHEV.rrss.jpg

203 ms

TE_SCOCHEV.back_up.png

TE_SCOCHEV.back_up.png

258 ms

15949494

15949494

1183 ms

15949483

15949483

1356 ms

RTVE-Font-Icons.ttf

RTVE-Font-Icons.ttf

109 ms

Roboto-Regular.woff

Roboto-Regular.woff

80 ms

Roboto-Medium.woff

Roboto-Medium.woff

79 ms

Roboto-Light.woff

Roboto-Light.woff

80 ms

Roboto-Thin.woff

Roboto-Thin.woff

80 ms

Roboto-Bold.woff

Roboto-Bold.woff

81 ms

Roboto-Black.woff

Roboto-Black.woff

81 ms

15949456

15949456

1239 ms

plusone.js

plusone.js

17 ms

config.js

config.js

144 ms

jquery.min.js

jquery.min.js

27 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

16066133

16066133

1310 ms

208274

208274

1588 ms

1194 ms

187134

187134

1509 ms

15993551

15993551

1637 ms

205894

205894

1495 ms

init_pfPortada.js

init_pfPortada.js

113 ms

208296

208296

1437 ms

184542

184542

1426 ms

gtm.js

gtm.js

87 ms

polyfill-none.js

polyfill-none.js

118 ms

gigya.js

gigya.js

24 ms

170114

170114

1354 ms

16001181

16001181

1335 ms

sdk.config.get

sdk.config.get

105 ms

16001188

16001188

1283 ms

16012612

16012612

1338 ms

16024362

16024362

1249 ms

js

js

123 ms

convivaAppTracker-v0_5_3.js

convivaAppTracker-v0_5_3.js

32 ms

detectizr.min.js

detectizr.min.js

134 ms

hotjar-2209777.js

hotjar-2209777.js

260 ms

mark-collector.iife.js

mark-collector.iife.js

64 ms

VisitorAPI.js

VisitorAPI.js

100 ms

fs.js

fs.js

412 ms

otSDKStub.js

otSDKStub.js

297 ms

marfeel-sdk.es5.js

marfeel-sdk.es5.js

749 ms

91hc7ybzdp

91hc7ybzdp

274 ms

659 ms

Api.aspx

Api.aspx

104 ms

15993515

15993515

1178 ms

15997093

15997093

1175 ms

chartbeat.js

chartbeat.js

254 ms

chartbeat_mab.js

chartbeat_mab.js

284 ms

breakingNews.json

breakingNews.json

80 ms

208 ms

remote_config.json

remote_config.json

243 ms

15997122

15997122

1142 ms

catalog.js

catalog.js

326 ms

level2subheader.js

level2subheader.js

326 ms

UserFavor.js

UserFavor.js

375 ms

rtve-mark-collector-init.js

rtve-mark-collector-init.js

170 ms

15997135

15997135

1147 ms

sdk.config.get

sdk.config.get

155 ms

id

id

216 ms

MediaSDK.min.js

MediaSDK.min.js

36 ms

modules.de6b9e294c29aa146ba1.js

modules.de6b9e294c29aa146ba1.js

280 ms

15997150

15997150

1027 ms

1026 ms

183974

183974

1059 ms

177774

177774

1059 ms

RtvePlayerBoxFactory.js

RtvePlayerBoxFactory.js

60 ms

ping

ping

271 ms

clarity.js

clarity.js

37 ms

remote_config.json

remote_config.json

103 ms

1ce517c9-60a0-49ff-8d5d-a8d756cdb3cf.json

1ce517c9-60a0-49ff-8d5d-a8d756cdb3cf.json

113 ms

mab

mab

286 ms

normalize.js

normalize.js

142 ms

location

location

248 ms

dest5.html

dest5.html

217 ms

id

id

218 ms

168994

168994

889 ms

203974

203974

922 ms

188794

188794

986 ms

ctp

ctp

134 ms

188795

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1261 ms

catalog.js

catalog.js

225 ms

mobile_fix.js

mobile_fix.js

196 ms

SliderStrategy.js

SliderStrategy.js

195 ms

jstorage.js

jstorage.js

177 ms

Utils.js

Utils.js

200 ms

AppMeasurement.js

AppMeasurement.js

71 ms

188796

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1195 ms

885 ms

177054

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1014 ms

heartbeat.js

heartbeat.js

29 ms

ibs:dpid=411&dpuuid=ZoBz8AAAAHSrYQOH

ibs:dpid=411&dpuuid=ZoBz8AAAAHSrYQOH

33 ms

ctp

ctp

83 ms

otBannerSdk.js

otBannerSdk.js

65 ms

207414

207414

872 ms

179834

179834

831 ms

PaginationStrategy.js

PaginationStrategy.js

105 ms

755 ms

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850 ms

es.json

es.json

38 ms

ctp

ctp

34 ms

1166 ms

828 ms

NewFeedLoader.js

NewFeedLoader.js

112 ms

otFlat.json

otFlat.json

41 ms

otPcPanel.json

otPcPanel.json

42 ms

otCookieSettingsButton.json

otCookieSettingsButton.json

43 ms

755 ms

822 ms

853 ms

logoRTVE.png

logoRTVE.png

170 ms

powered_by_logo.svg

powered_by_logo.svg

23 ms

207854

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919 ms

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641 ms

642 ms

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642 ms

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992 ms

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733 ms

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733 ms

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810 ms

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842 ms

beacon.js

beacon.js

50 ms

835 ms

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831 ms

854 ms

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1060 ms

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1027 ms

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1156 ms

184714

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893 ms

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990 ms

1125 ms

1030 ms

15950009

15950009

1408 ms

ctp

ctp

61 ms

c.gif

c.gif

7 ms

Accessibility Review

lab.rtve.es accessibility score

87

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-hidden="true"] elements contain focusable descendents

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

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

Image elements do not have [alt] attributes

Best Practices

lab.rtve.es best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

lab.rtve.es SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lab.rtve.es can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Lab.rtve.es 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

lab.rtve.es

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