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cerrajeronline.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

cerrajeronline.com

Cerrajeros en Madrid Urgentes y Baratos 619 930 560 - Cerrajero Online

Page Load Speed

4.6 sec in total

First Response

305 ms

Resources Loaded

3.9 sec

Page Rendered

383 ms

cerrajeronline.com screenshot

About Website

Click here to check amazing Cerrajero Nline content for Spain. Otherwise, check out these important facts you probably never knew about cerrajeronline.com

Cerrajeros en Madrid Urgentes y Baratos. No cobramos desplazamientos ni visitas ✓ Llegamos en 25 minutos ✓ Cerrajeros Madrid Centro y Alrededores

Visit cerrajeronline.com

Key Findings

We analyzed Cerrajeronline.com page load time and found that the first response time was 305 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

cerrajeronline.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,460 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.306

38/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

cerrajeronline.com

305 ms

www.cerrajeronline.com

818 ms

estilos.css

206 ms

styles.css

310 ms

gctestimonial.css

318 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 55% of them (73 requests) were addressed to the original Cerrajeronline.com, 20% (26 requests) were made to Fonts.gstatic.com and 8% (10 requests) were made to Live.staticflickr.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Cerrajeronline.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 373.8 kB (19%)

Content Size

1.9 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cerrajeronline.com main page is 1.9 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 847.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 287.8 kB

  • Original 338.1 kB
  • After minification 328.0 kB
  • After compression 50.4 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 287.8 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 359 B

  • Original 847.1 kB
  • After minification 846.8 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. Cerrajero Nline images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 46.4 kB

  • Original 491.2 kB
  • After minification 491.1 kB
  • After compression 444.8 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

-16%

Potential reduce by 39.2 kB

  • Original 244.2 kB
  • After minification 244.2 kB
  • After compression 205.0 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. Cerrajeronline.com needs all CSS files to be minified and compressed as it can save up to 39.2 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 67 (66%)

Requests Now

101

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cerrajero Nline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cerrajeronline.com

cerrajeronline.com

305 ms

www.cerrajeronline.com

www.cerrajeronline.com

818 ms

estilos.css

estilos.css

206 ms

styles.css

styles.css

310 ms

gctestimonial.css

gctestimonial.css

318 ms

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sfsi-style.css

424 ms

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218 ms

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Accessibility Review

cerrajeronline.com accessibility score

74

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.

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

cerrajeronline.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cerrajeronline.com SEO score

84

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

High

Tap targets are not sized appropriately

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 Cerrajeronline.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 Cerrajeronline.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

cerrajeronline.com

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