Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

bibliocafe.es

Cursos y Talleres Escritura en Valencia. BiblioCafé

Page Load Speed

4.2 sec in total

First Response

609 ms

Resources Loaded

3.4 sec

Page Rendered

236 ms

bibliocafe.es screenshot

About Website

Click here to check amazing Biblio Cafe content. Otherwise, check out these important facts you probably never knew about bibliocafe.es

BiblioCafé: Cursos y Talleres de Escritura, Presentaciones y Eventos Literarios en Valencia. Actividades todo el año. Inscripciones Online.

Visit bibliocafe.es

Key Findings

We analyzed Bibliocafe.es page load time and found that the first response time was 609 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bibliocafe.es performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

bibliocafe.es

609 ms

definitivo.css

491 ms

capsula.css

295 ms

validalogin.js

197 ms

validarecuperar.js

199 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 97% of them (84 requests) were addressed to the original Bibliocafe.es, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (919 ms) belongs to the original domain Bibliocafe.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 389.6 kB (54%)

Content Size

723.0 kB

After Optimization

333.4 kB

In fact, the total size of Bibliocafe.es main page is 723.0 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. Images take 435.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 22.7 kB

  • Original 29.8 kB
  • After minification 26.6 kB
  • After compression 7.1 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 3.2 kB, which is 11% 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 22.7 kB or 76% of the original size.

Image Optimization

-41%

Potential reduce by 180.0 kB

  • Original 435.4 kB
  • After minification 255.5 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. Obviously, Biblio Cafe needs image optimization as it can save up to 180.0 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 153.5 kB

  • Original 219.2 kB
  • After minification 175.3 kB
  • After compression 65.6 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 153.5 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 33.4 kB

  • Original 38.6 kB
  • After minification 31.9 kB
  • After compression 5.2 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. Bibliocafe.es needs all CSS files to be minified and compressed as it can save up to 33.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (35%)

Requests Now

86

After Optimization

56

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblio Cafe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bibliocafe.es accessibility score

69

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

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

bibliocafe.es best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bibliocafe.es SEO score

91

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

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliocafe.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 Bibliocafe.es main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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