Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

biblioteca.univo.edu.sv

Sistema Integrado de Automatización de Bibliotecas - SIAB - El Salvador - Inicio

Page Load Speed

1.1 sec in total

First Response

88 ms

Resources Loaded

850 ms

Page Rendered

162 ms

biblioteca.univo.edu.sv screenshot

About Website

Welcome to biblioteca.univo.edu.sv homepage info - get ready to check Biblioteca Univo best content for El Salvador right away, or after learning these important things about biblioteca.univo.edu.sv

Sistema Integrado de Automatización de Bibliotecas: circulación, catalogación, opac, control de calidad - El Salvador

Visit biblioteca.univo.edu.sv

Key Findings

We analyzed Biblioteca.univo.edu.sv page load time and found that the first response time was 88 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

biblioteca.univo.edu.sv performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

biblioteca.univo.edu.sv

88 ms

loginform.php

124 ms

cj-carousel.css

19 ms

jquery.min.v1.10.2.js

37 ms

Jacked.min.js

50 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 91% of them (70 requests) were addressed to the original Biblioteca.univo.edu.sv, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (154 ms) belongs to the original domain Biblioteca.univo.edu.sv.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (62%)

Content Size

1.9 MB

After Optimization

743.4 kB

In fact, the total size of Biblioteca.univo.edu.sv 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. 65% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 27.4 kB

  • Original 33.5 kB
  • After minification 20.8 kB
  • After compression 6.1 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 12.7 kB, which is 38% 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 27.4 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 300.6 kB
  • After minification 300.6 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. Biblioteca Univo images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 925.4 kB

  • Original 1.3 MB
  • After minification 1.2 MB
  • After compression 391.4 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 925.4 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 237.7 kB

  • Original 282.9 kB
  • After minification 236.9 kB
  • After compression 45.2 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. Biblioteca.univo.edu.sv needs all CSS files to be minified and compressed as it can save up to 237.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (91%)

Requests Now

69

After Optimization

6

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblioteca Univo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

biblioteca.univo.edu.sv accessibility score

59

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

Form elements do not have associated labels

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

biblioteca.univo.edu.sv best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

biblioteca.univo.edu.sv SEO score

92

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

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 Biblioteca.univo.edu.sv 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 Biblioteca.univo.edu.sv 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 data is detected on the main page of Biblioteca Univo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: