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steren.com.mx screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

steren.com.mx

Steren La Mejor Tienda de Electrónica en México

Page Load Speed

9.2 sec in total

First Response

2.2 sec

Resources Loaded

6.4 sec

Page Rendered

598 ms

steren.com.mx screenshot

About Website

Welcome to steren.com.mx homepage info - get ready to check Steren best content for Mexico right away, or after learning these important things about steren.com.mx

Compra en línea Lo Mejor en Electrónica | Compras Seguras | Envío Rápido y Seguro | Envíos Gratis a Partir de $499

Visit steren.com.mx

Key Findings

We analyzed Steren.com.mx page load time and found that the first response time was 2.2 sec and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

steren.com.mx performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value3,230 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value41.8 s

0/100

10%

Network Requests Diagram

steren.com.mx

2171 ms

www.steren.com.mx

1092 ms

button.css

132 ms

menu-creator-pro.css

206 ms

jquery.sidr.light.css

138 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 78% of them (121 requests) were addressed to the original Steren.com.mx, 3% (4 requests) were made to Ssl.kaptcha.com and 2% (3 requests) were made to Api.conekta.io. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Steren.com.mx.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (32%)

Content Size

4.2 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Steren.com.mx main page is 4.2 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. 60% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 74.0 kB

  • Original 91.2 kB
  • After minification 75.0 kB
  • After compression 17.3 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 16.2 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 74.0 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 57.4 kB

  • Original 2.5 MB
  • After minification 2.5 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. Steren images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 791.0 kB

  • Original 1.1 MB
  • After minification 857.0 kB
  • After compression 280.1 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 791.0 kB or 74% of the original size.

CSS Optimization

-85%

Potential reduce by 442.9 kB

  • Original 518.4 kB
  • After minification 432.2 kB
  • After compression 75.5 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. Steren.com.mx needs all CSS files to be minified and compressed as it can save up to 442.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 84 (57%)

Requests Now

147

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 147 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Steren. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

steren.com.mx

steren.com.mx

2171 ms

www.steren.com.mx

www.steren.com.mx

1092 ms

button.css

button.css

132 ms

menu-creator-pro.css

menu-creator-pro.css

206 ms

jquery.sidr.light.css

jquery.sidr.light.css

138 ms

amazon.css

amazon.css

134 ms

mirasvit_searchindex.css

mirasvit_searchindex.css

138 ms

catalogextensions.css

catalogextensions.css

202 ms

bootstrap.min.css

bootstrap.min.css

350 ms

ladda.css

ladda.css

215 ms

ladda-themeless.css

ladda-themeless.css

215 ms

prism.css

prism.css

252 ms

owl.carousel.css

owl.carousel.css

264 ms

owl.custom.css

owl.custom.css

266 ms

owl.theme.css

owl.theme.css

280 ms

owl.transitions.css

owl.transitions.css

278 ms

home.css

home.css

314 ms

prototype.js

prototype.js

769 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

473 ms

noconflict.js

noconflict.js

362 ms

ccard.js

ccard.js

362 ms

validation.js

validation.js

383 ms

builder.js

builder.js

409 ms

effects.js

effects.js

482 ms

dragdrop.js

dragdrop.js

485 ms

controls.js

controls.js

450 ms

slider.js

slider.js

478 ms

js.js

js.js

516 ms

form.js

form.js

541 ms

translate.js

translate.js

549 ms

cookies.js

cookies.js

550 ms

ga.js

ga.js

553 ms

jquery.min.js

jquery.min.js

749 ms

underscore.js

underscore.js

659 ms

backbone.js

backbone.js

668 ms

form.js

form.js

673 ms

autocomplete.js

autocomplete.js

675 ms

font-awesome.min.css

font-awesome.min.css

19 ms

css

css

31 ms

jquery-migrate-1.2.1.js

jquery-migrate-1.2.1.js

37 ms

conekta.js

conekta.js

646 ms

styles.css

styles.css

884 ms

madisonisland.css

madisonisland.css

673 ms

modernizr.custom.min.js

modernizr.custom.min.js

674 ms

selectivizr.js

selectivizr.js

680 ms

getseal

getseal

34 ms

matchMedia.js

matchMedia.js

700 ms

matchMedia.addListener.js

matchMedia.addListener.js

701 ms

font-awesome-remixed.css

font-awesome-remixed.css

725 ms

colours.css

colours.css

718 ms

enquire.js

enquire.js

766 ms

app.js

app.js

732 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

721 ms

jquery.cycle2.swipe.min.js

jquery.cycle2.swipe.min.js

750 ms

slideshow.js

slideshow.js

737 ms

imagesloaded.js

imagesloaded.js

736 ms

minicart.js

minicart.js

732 ms

responsive_menu.js

responsive_menu.js

707 ms

jquery.sidr.min.js

jquery.sidr.min.js

722 ms

jquery.touchwipe.1.1.1.js

jquery.touchwipe.1.1.1.js

731 ms

bootstrap.min.js

bootstrap.min.js

713 ms

ladda.jquery.js

ladda.jquery.js

694 ms

spin.min.js

spin.min.js

680 ms

ladda.min.js

ladda.min.js

687 ms

owl.carousel.js

owl.carousel.js

701 ms

www.steren.com.mx.js

www.steren.com.mx.js

41 ms

log.js

log.js

110 ms

logo.png

logo.png

107 ms

imgRecepcionHome.jpg

imgRecepcionHome.jpg

106 ms

COM-818-Movil_1.jpg

COM-818-Movil_1.jpg

737 ms

COM-818_1.jpg

COM-818_1.jpg

1091 ms

FOC-090-Movil_1.jpg

FOC-090-Movil_1.jpg

520 ms

FOC-090_1.jpg

FOC-090_1.jpg

659 ms

BOC-2135-Movil.jpg

BOC-2135-Movil.jpg

455 ms

BOC-2135_3.jpg

BOC-2135_3.jpg

520 ms

Transmisores-Movil_1.jpg

Transmisores-Movil_1.jpg

573 ms

Transmisores_2.jpg

Transmisores_2.jpg

770 ms

208-900-Movil_4.jpg

208-900-Movil_4.jpg

778 ms

208-900_4.jpg

208-900_4.jpg

802 ms

No-Breaks.jpg

No-Breaks.jpg

762 ms

No-Breaks-Home.jpg

No-Breaks-Home.jpg

1079 ms

e.jpg

e.jpg

1077 ms

er.jpg

er.jpg

1078 ms

s.jpg

s.jpg

1077 ms

c.jpg

c.jpg

1076 ms

COM-655.jpg

COM-655.jpg

1181 ms

Adaptador-_Y_-negro-de-3.5-mm.-para-conectar-2-audifonos-al-mismo-tiempo_x1.jpg

Adaptador-_Y_-negro-de-3.5-mm.-para-conectar-2-audifonos-al-mismo-tiempo_x1.jpg

1173 ms

aud-783_x1_1.jpg

aud-783_x1_1.jpg

1181 ms

lam-250_x1.jpg

lam-250_x1.jpg

1178 ms

mic-060_x1.jpg

mic-060_x1.jpg

1175 ms

mov-110_x1_1.jpg

mov-110_x1_1.jpg

1287 ms

Telefono-inalambrico-con-diseno-minimalista-y-display-LCD-iluminado_x1.jpg

Telefono-inalambrico-con-diseno-minimalista-y-display-LCD-iluminado_x1.jpg

1267 ms

Sistema-profesional-de-dos-microfonos-inalambricos-VHF.-con-receptor_x1.jpg

Sistema-profesional-de-dos-microfonos-inalambricos-VHF.-con-receptor_x1.jpg

1272 ms

foc-050_x1.jpg

foc-050_x1.jpg

1274 ms

Control-remoto-de-TV-para-ninos_x1.jpg

Control-remoto-de-TV-para-ninos_x1.jpg

1281 ms

mov-045_x1_1.jpg

mov-045_x1_1.jpg

1637 ms

905-305_x1.jpg

905-305_x1.jpg

1550 ms

208-140_x1.jpg

208-140_x1.jpg

1388 ms

aud-776_x1_1.jpg

aud-776_x1_1.jpg

1391 ms

boc-845_x1.jpg

boc-845_x1.jpg

1395 ms

crg-020_x1.jpg

crg-020_x1.jpg

2069 ms

her-201_x1.jpg

her-201_x1.jpg

1486 ms

gtm.js

gtm.js

66 ms

analytics.js

analytics.js

24 ms

1406.js

1406.js

52 ms

inv-125_x1.jpg

inv-125_x1.jpg

1473 ms

ecommerce.js

ecommerce.js

22 ms

collect

collect

70 ms

collect

collect

13 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

8 ms

fbevents.js

fbevents.js

181 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1405 ms

Microfono-inalambrico-de-solapa-y-diadema_x1.jpg

Microfono-inalambrico-de-solapa-y-diadema_x1.jpg

1456 ms

www.steren.com.mx.js

www.steren.com.mx.js

47 ms

getseal

getseal

4 ms

s

s

273 ms

t.js

t.js

174 ms

widget_v2.132.js

widget_v2.132.js

16 ms

u

u

261 ms

s.js

s.js

169 ms

302 ms

__$$__stringtable_lang_es.js

__$$__stringtable_lang_es.js

110 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1111 ms

logo.gif

logo.gif

95 ms

logo.htm

logo.htm

95 ms

i.gif

i.gif

35 ms

Termometro-digital-para-interiores-y-exteriores.-con-alarma-ajustable-para-indicar-temperatura-alta-o-baja_x1.jpg

Termometro-digital-para-interiores-y-exteriores.-con-alarma-ajustable-para-indicar-temperatura-alta-o-baja_x1.jpg

1062 ms

her-430_x1.jpg

her-430_x1.jpg

1092 ms

logo.htm

logo.htm

995 ms

lam-710_x1_1.jpg

lam-710_x1_1.jpg

1054 ms

s

s

8 ms

audio.png

audio.png

973 ms

computaci_n.png

computaci_n.png

905 ms

herramientas.png

herramientas.png

915 ms

cables.png

cables.png

923 ms

telefon_a.png

telefon_a.png

921 ms

tv_y_video.png

tv_y_video.png

903 ms

aL63HcygAAVYuCCsAAA==

aL63HcygAAVYuCCsAAA==

6 ms

videovigilancia_y_seguridad.png

videovigilancia_y_seguridad.png

632 ms

iluminaci_n.png

iluminaci_n.png

666 ms

energ_a.png

energ_a.png

677 ms

casa_y_oficina.png

casa_y_oficina.png

682 ms

bkgd.gif

bkgd.gif

456 ms

proyectos_de_electr_nica.png

proyectos_de_electr_nica.png

690 ms

automotriz.png

automotriz.png

688 ms

img-formasdepago.jpg

img-formasdepago.jpg

640 ms

img-formasdepago02.jpg

img-formasdepago02.jpg

648 ms

logoSteren.jpg

logoSteren.jpg

651 ms

sello-greatplace.jpg

sello-greatplace.jpg

653 ms

sello02.jpg

sello02.jpg

658 ms

sprite.png

sprite.png

606 ms

shop-1.png

shop-1.png

616 ms

kount.gif

kount.gif

22 ms

logo.js

logo.js

271 ms

bkgd.gif

bkgd.gif

291 ms

Accessibility Review

steren.com.mx accessibility score

76

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

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

steren.com.mx best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

steren.com.mx SEO score

86

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 Steren.com.mx 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 Steren.com.mx 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

steren.com.mx

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