Access bibliotecavasconcelos.gob.mx. Biblioteca Vasconcelos

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value9,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

bibliotecavasconcelos.gob.mx

927 ms

bootstrap.css

593 ms

bootstrap-responsive.css

266 ms

jquery.min.js

33 ms

jquery.bxslider.min.js

264 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 82% of them (65 requests) were addressed to the original Bibliotecavasconcelos.gob.mx, 9% (7 requests) were made to Google.com and 4% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Bibliotecavasconcelos.gob.mx.

Content Size

2.9 MB

After Optimization

2.4 MB

In fact, the total size of Bibliotecavasconcelos.gob.mx main page is 2.9 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. 30% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 44.1 kB

Original 52.1 kB
After minification 37.9 kB
After compression 7.9 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 14.1 kB, which is 27% 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 44.1 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 56.8 kB

Original 2.4 MB
After minification 2.3 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. Biblioteca Vasconcelos images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 132.8 kB

Original 247.7 kB
After minification 191.9 kB
After compression 114.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 132.8 kB or 54% of the original size.

CSS Optimization

-86%

Potential reduce by 176.5 kB

Original 205.3 kB
After minification 159.3 kB
After compression 28.8 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. Bibliotecavasconcelos.gob.mx needs all CSS files to be minified and compressed as it can save up to 176.5 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblioteca Vasconcelos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ES
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliotecavasconcelos.gob.mx can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it does not match the claimed English language. Our system also found out that Bibliotecavasconcelos.gob.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

bibliotecavasconcelos.gob.mx

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Biblioteca Vasconcelos - Secretaría de Cultura

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

bibliotecavasconcelos.gob.mx

bootstrap.css

bootstrap-responsive.css

jquery.min.js

jquery.bxslider.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

bibliotecavasconcelos.gob.mx

bootstrap.css

bootstrap-responsive.css

jquery.min.js

jquery.bxslider.min.js

jquery.bxslider.css

jquery.flexslider.js

shCore.js

shBrushXml.js

shBrushJScript.js

jquery.easing.js

jquery.mousewheel.js

demo.js

flexslider.css

modernizr.js

calendario.js

jquery.cambia.buscador.top.js

bootstrap-transition.js

bootstrap-alert.js

bootstrap-modal.js

bootstrap-dropdown.js

bootstrap-scrollspy.js

bootstrap-tab.js

bootstrap-tooltip.js

bootstrap-popover.js

bootstrap-button.js

bootstrap-collapse.js

bootstrap-carousel.js

bootstrap-typeahead.js

analytics.js

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encabezado-web.png

bk-top.jpg

tumblr.png

BDigital.jpg

SalaSenas.jpg

boton_libros.jpg

img_renovar.png

redes.png

icon_catalogo.gif

icon_micrositio.gif

icon_mexC.gif

icon_blog.png