Tools & Wizards About Us

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

s4k.biz

Agencia SEO: Posicionamiento web organico y Google Ads

Page Load Speed

2.8 sec in total

First Response

569 ms

Resources Loaded

2 sec

Page Rendered

206 ms

About Website

Visit s4k.biz now to see the best up-to-date S 4 K content and also check out these interesting facts you probably never knew about s4k.biz

Posicionamiento organico SEO en buscadores y Google Ads. Servicios de Marketing Digital Agencia SEO y SEM de posicionamiento web organico en buscadores y gestion de campañas pagas en Google Ads, redes...

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Key Findings

We analyzed S4k.biz page load time and found that the first response time was 569 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

s4k.biz performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

s4k.biz

569 ms

bootstrap.min.css

754 ms

css

71 ms

css

87 ms

jquery.min.js

56 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 30% of them (8 requests) were addressed to the original S4k.biz, 19% (5 requests) were made to Gstatic.com and 19% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (786 ms) belongs to the original domain S4k.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 121.4 kB (21%)

Content Size

566.7 kB

After Optimization

445.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of S4k.biz main page is 566.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 247.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 11.0 kB

  • Original 15.7 kB
  • After minification 14.2 kB
  • After compression 4.8 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. 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 11.0 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 6.3 kB

  • Original 156.6 kB
  • After minification 150.3 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. S 4 K images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 247.2 kB
  • After minification 247.2 kB
  • After compression 245.8 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

-70%

Potential reduce by 102.7 kB

  • Original 147.2 kB
  • After minification 147.2 kB
  • After compression 44.5 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. S4k.biz needs all CSS files to be minified and compressed as it can save up to 102.7 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (55%)

Requests Now

20

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of S 4 K. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

s4k.biz accessibility score

92

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

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

Links do not have a discernible name

Best Practices

s4k.biz 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

SEO Factors

s4k.biz SEO score

100

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

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 S4k.biz 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 S4k.biz 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

Open Graph description is not detected on the main page of S 4 K. 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: