Tools & Wizards About Us
concretonline.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

concretonline.com

ConcretOnline, Hormigón, Concrete - www.concretonline.com

Page Load Speed

11.1 sec in total

First Response

255 ms

Resources Loaded

8.3 sec

Page Rendered

2.6 sec

concretonline.com screenshot

About Website

Welcome to concretonline.com homepage info - get ready to check Concret Online best content for Spain right away, or after learning these important things about concretonline.com

ConcretOnline, toda la información del Hormigón, Concreto y sectores afines, cementos, aditivos, canteras, prefabricados, morteros, maquinaria y equipos

Visit concretonline.com

Key Findings

We analyzed Concretonline.com page load time and found that the first response time was 255 ms and then it took 10.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

concretonline.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.3 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,940 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

concretonline.com

255 ms

www.concretonline.com

1369 ms

joomla-alert.min.css

226 ms

addtoany.css

313 ms

style.css

318 ms

Our browser made a total of 169 requests to load all elements on the main page. We found that 95% of them (161 requests) were addressed to the original Concretonline.com, 2% (3 requests) were made to Static.addtoany.com and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Concretonline.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (22%)

Content Size

6.7 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Concretonline.com main page is 6.7 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. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 212.1 kB

  • Original 242.2 kB
  • After minification 191.6 kB
  • After compression 30.0 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. This page needs HTML code to be minified as it can gain 50.6 kB, which is 21% 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 212.1 kB or 88% of the original size.

Image Optimization

-11%

Potential reduce by 599.7 kB

  • Original 5.3 MB
  • After minification 4.7 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, Concret Online needs image optimization as it can save up to 599.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-39%

Potential reduce by 257.0 kB

  • Original 655.4 kB
  • After minification 650.0 kB
  • After compression 398.4 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 257.0 kB or 39% of the original size.

CSS Optimization

-86%

Potential reduce by 421.8 kB

  • Original 489.0 kB
  • After minification 486.4 kB
  • After compression 67.2 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. Concretonline.com needs all CSS files to be minified and compressed as it can save up to 421.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (15%)

Requests Now

167

After Optimization

142

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concret Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

concretonline.com

concretonline.com

255 ms

www.concretonline.com

www.concretonline.com

1369 ms

joomla-alert.min.css

joomla-alert.min.css

226 ms

addtoany.css

addtoany.css

313 ms

style.css

style.css

318 ms

flip-timer.css

flip-timer.css

323 ms

content.min.css

content.min.css

326 ms

jcemediabox.min.css

jcemediabox.min.css

439 ms

theme.9.css

theme.9.css

1183 ms

custom.css

custom.css

424 ms

jquery.min.js

jquery.min.js

558 ms

jquery-noconflict.min.js

jquery-noconflict.min.js

436 ms

core.min.js

core.min.js

439 ms

messages.min.js

messages.min.js

540 ms

page.js

page.js

37 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

777 ms

flip-timer.js

flip-timer.js

580 ms

jcemediabox.min.js

jcemediabox.min.js

747 ms

analytics.min.js

analytics.min.js

665 ms

cookie.min.js

cookie.min.js

668 ms

uikit.min.js

uikit.min.js

988 ms

uikit-icons-framerate.min.js

uikit-icons-framerate.min.js

982 ms

theme.js

theme.js

777 ms

api.js

api.js

34 ms

gtm.js

gtm.js

456 ms

recaptcha__en.js

recaptcha__en.js

355 ms

16f010ecde64b840f62a276c2.js

16f010ecde64b840f62a276c2.js

452 ms

logo-eslogan.svg

logo-eslogan.svg

499 ms

maquinaria.svg

maquinaria.svg

427 ms

sostenibilidad-icon-verde.png

sostenibilidad-icon-verde.png

428 ms

logo-mobile.svg

logo-mobile.svg

412 ms

logo-inverted.svg

logo-inverted.svg

414 ms

esquema-localizador-plantas-CORTO.svg

esquema-localizador-plantas-CORTO.svg

415 ms

aditivos-adiciones2.svg

aditivos-adiciones2.svg

489 ms

aridos2.svg

aridos2.svg

497 ms

canteras-graveras2.svg

canteras-graveras2.svg

487 ms

cemento2.svg

cemento2.svg

492 ms

construccion2.svg

construccion2.svg

494 ms

hormigon2.svg

hormigon2.svg

557 ms

mineria2.svg

mineria2.svg

554 ms

morteros-revoques2.svg

morteros-revoques2.svg

559 ms

perforacion2.svg

perforacion2.svg

563 ms

prefabricados2.svg

prefabricados2.svg

567 ms

rcd-reciclaje2.svg

rcd-reciclaje2.svg

565 ms

tuneles2.svg

tuneles2.svg

690 ms

blog2.svg

blog2.svg

670 ms

sostenibilidad-icon-blanco.png

sostenibilidad-icon-blanco.png

671 ms

maquinaria2.svg

maquinaria2.svg

692 ms

CAES-sup-izq.jpg

CAES-sup-izq.jpg

823 ms

sikasuperior.gif

sikasuperior.gif

1161 ms

arcogrupo.gif

arcogrupo.gif

958 ms

arcomet7.gif

arcomet7.gif

896 ms

resimartlateral.gif

resimartlateral.gif

843 ms

baryservlateral.gif

baryservlateral.gif

1014 ms

develon.gif

develon.gif

1215 ms

rss.jpg

rss.jpg

967 ms

calendar-icon.png

calendar-icon.png

1005 ms

develon240522-ce4b4a1a.jpeg

develon240522-ce4b4a1a.jpeg

1169 ms

krystalinehome.png

krystalinehome.png

1234 ms

interno-visite-directorio.jpg

interno-visite-directorio.jpg

1248 ms

bannercongreso1.png

bannercongreso1.png

1243 ms

anunciate-enconcretonline-2021.jpg

anunciate-enconcretonline-2021.jpg

1325 ms

krystaline-51850240.jpeg

krystaline-51850240.jpeg

1228 ms

sm.25.html

sm.25.html

258 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

263 ms

eqa240104-89d7955b.jpeg

eqa240104-89d7955b.jpeg

1076 ms

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955 ms

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971 ms

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971 ms

comina-4900b4b0.jpeg

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1033 ms

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982 ms

polarmatic240105-ac2f58f2.jpeg

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1019 ms

concretewatcher231231-039d0901.jpeg

concretewatcher231231-039d0901.jpeg

1173 ms

eventos4.svg

eventos4.svg

1021 ms

sostenibilidad-9c54bb6a.png

sostenibilidad-9c54bb6a.png

1105 ms

js

js

43 ms

newsletter3.svg

newsletter3.svg

1176 ms

info-privacidad.svg

info-privacidad.svg

1066 ms

hormigon2.svg

hormigon2.svg

1115 ms

congresohormigon230418-b306bdd9.jpeg

congresohormigon230418-b306bdd9.jpeg

1091 ms

anefhop240423-ae94d5c2.jpeg

anefhop240423-ae94d5c2.jpeg

1188 ms

construccion2.svg

construccion2.svg

1221 ms

sika240424-88c54a57.jpeg

sika240424-88c54a57.jpeg

1239 ms

finanzauto240507-0ef984a7.jpeg

finanzauto240507-0ef984a7.jpeg

1256 ms

maquinaria2.svg

maquinaria2.svg

1111 ms

liebherr240516-656d00ce.jpeg

liebherr240516-656d00ce.jpeg

1188 ms

sika240525-a8c999d2.jpeg

sika240525-a8c999d2.jpeg

1180 ms

aditivos-adiciones2.svg

aditivos-adiciones2.svg

1097 ms

prefabricados2.svg

prefabricados2.svg

1082 ms

vivialt240506-02662a16.jpeg

vivialt240506-02662a16.jpeg

1070 ms

aridos2.svg

aridos2.svg

1036 ms

anefa240514-56e9e5de.jpeg

anefa240514-56e9e5de.jpeg

1087 ms

cemento2.svg

cemento2.svg

1063 ms

oficemen221028-3ebb1490.jpeg

oficemen221028-3ebb1490.jpeg

1185 ms

canteras-graveras2.svg

canteras-graveras2.svg

932 ms

caes240429-e511dcd0.jpeg

caes240429-e511dcd0.jpeg

981 ms

morteros-revoques2.svg

morteros-revoques2.svg

954 ms

mapei240220-59d07204.jpeg

mapei240220-59d07204.jpeg

1001 ms

perforacion2.svg

perforacion2.svg

966 ms

epiroc240228-036fb239.jpeg

epiroc240228-036fb239.jpeg

1260 ms

rcd-reciclaje2.svg

rcd-reciclaje2.svg

1059 ms

rafe240430-45d1617d.jpeg

rafe240430-45d1617d.jpeg

1023 ms

tuneles2.svg

tuneles2.svg

951 ms

nat2024-9928f65f.jpeg

nat2024-9928f65f.jpeg

1092 ms

conexpoconagg-67375fe8.jpeg

conexpoconagg-67375fe8.jpeg

975 ms

bauma-3884c179.jpeg

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1009 ms

construtec-30cbe37b.jpeg

construtec-30cbe37b.jpeg

1005 ms

logocongresohormigon-fbd7a5a2.jpeg

logocongresohormigon-fbd7a5a2.jpeg

1015 ms

samoter-ec0774a1.jpeg

samoter-ec0774a1.jpeg

998 ms

cna-72cb4732.jpeg

cna-72cb4732.jpeg

1393 ms

construmat-dddf00e1.jpeg

construmat-dddf00e1.jpeg

1201 ms

morteros01-735fd8b1.jpeg

morteros01-735fd8b1.jpeg

1305 ms

aditivos-definicion-y-clasificacion-5263a24e.jpeg

aditivos-definicion-y-clasificacion-5263a24e.jpeg

1212 ms

metsog-2548bbc6.jpeg

metsog-2548bbc6.jpeg

1274 ms

concretonline190115-cfb8f76f.jpeg

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1400 ms

hormigon180725-3277ecea.jpeg

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1231 ms

aridos180727b-d9dc881b.jpeg

aridos180727b-d9dc881b.jpeg

1264 ms

corrosiong-0b7cbb4d.jpeg

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1876 ms

construccion00-a82c45b6.jpeg

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1520 ms

ehe-af5b2518.jpeg

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1847 ms

aditivos210709-3dc3caeb.jpeg

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1565 ms

canteras180808g-3946cccb.jpeg

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1533 ms

canteras180725g-c47287a0.jpeg

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1961 ms

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1811 ms

canteras180802g-a08efd6c.jpeg

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1675 ms

morteros180814-c717ee9d.jpeg

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1983 ms

demolicion180801-e766f025.jpeg

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1917 ms

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1837 ms

maquinaria05-9687fcdc.jpeg

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1842 ms

hormigon180824-5394ea55.jpeg

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2109 ms

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1955 ms

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1892 ms

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1974 ms

cemento180809-21b024f6.jpeg

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1995 ms

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2022 ms

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2188 ms

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1995 ms

canteras180823-02c73913.jpeg

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2021 ms

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2166 ms

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1897 ms

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2020 ms

aditivos04-284b4360.jpeg

aditivos04-284b4360.jpeg

2031 ms

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2105 ms

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2078 ms

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2243 ms

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1975 ms

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1865 ms

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1825 ms

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1839 ms

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2012 ms

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1930 ms

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1887 ms

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1944 ms

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1768 ms

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1619 ms

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1627 ms

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1534 ms

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1837 ms

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1573 ms

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1497 ms

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1359 ms

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1370 ms

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1410 ms

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1478 ms

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1483 ms

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1354 ms

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1285 ms

newsletter4.svg

newsletter4.svg

1303 ms

localizador-plantas2.svg

localizador-plantas2.svg

1314 ms

Accessibility Review

concretonline.com accessibility score

94

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

Best Practices

concretonline.com best practices score

67

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

concretonline.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Concretonline.com 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 Concretonline.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

concretonline.com

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