Tools & Wizards About Us
libreriasiglo.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

libreriasiglo.com

Librería Siglo - Distribución y venta de libros en línea

Page Load Speed

4.8 sec in total

First Response

536 ms

Resources Loaded

2.9 sec

Page Rendered

1.4 sec

libreriasiglo.com screenshot

About Website

Click here to check amazing Libreria Siglo content for Colombia. Otherwise, check out these important facts you probably never knew about libreriasiglo.com

Encuentra un amplio catálogo de editoriales nacionales e internacionales con envíos a nacionales e internacionales. Compra en libreriasiglo.com. Literatura, académicos, infantil y más.

Visit libreriasiglo.com

Key Findings

We analyzed Libreriasiglo.com page load time and found that the first response time was 536 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

libreriasiglo.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.462

19/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

libreriasiglo.com

536 ms

378.df954bb4679fae0842e6.css

126 ms

370.267804fe28d5d4aead60.css

312 ms

index.ad27578522cf1321c7ec.css

185 ms

paypal_fo.css

191 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 99% of them (154 requests) were addressed to the original Libreriasiglo.com, 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (587 ms) belongs to the original domain Libreriasiglo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 393.4 kB (12%)

Content Size

3.3 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Libreriasiglo.com main page is 3.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 373.8 kB

  • Original 405.5 kB
  • After minification 259.1 kB
  • After compression 31.7 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 146.4 kB, which is 36% 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 373.8 kB or 92% of the original size.

Image Optimization

-1%

Potential reduce by 18.1 kB

  • Original 2.8 MB
  • After minification 2.7 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. Libreria Siglo images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 785 B

  • Original 61.6 kB
  • After minification 61.6 kB
  • After compression 60.8 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

-1%

Potential reduce by 724 B

  • Original 67.8 kB
  • After minification 67.8 kB
  • After compression 67.0 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. Libreriasiglo.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (7%)

Requests Now

147

After Optimization

137

  • Images
  • JavaScript
  • CSS

The browser has sent 147 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libreria Siglo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

libreriasiglo.com

libreriasiglo.com

536 ms

378.df954bb4679fae0842e6.css

378.df954bb4679fae0842e6.css

126 ms

370.267804fe28d5d4aead60.css

370.267804fe28d5d4aead60.css

312 ms

index.ad27578522cf1321c7ec.css

index.ad27578522cf1321c7ec.css

185 ms

paypal_fo.css

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191 ms

js

js

56 ms

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129 ms

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186 ms

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190 ms

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193 ms

GoogleAnalyticActionLib.js

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242 ms

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217 ms

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219 ms

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222 ms

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276 ms

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217 ms

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214 ms

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217 ms

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219 ms

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220 ms

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277 ms

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223 ms

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339 ms

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405 ms

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405 ms

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429 ms

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459 ms

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452 ms

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451 ms

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488 ms

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284 ms

fragil.jpg

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281 ms

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306 ms

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306 ms

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325 ms

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fronteras-identitarias-y-justicia-indigena-en-la-sierra-nevada-de-santa-marta-historia-de-vida-del-sakuku-mayor-jose-camili-nino-suarez.jpg

338 ms

acciones-politicas-del-arte.jpg

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339 ms

guia-practica-de-los-aspectos-patrimoniales-de-la-relacion-de-pareja.jpg

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340 ms

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365 ms

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416 ms

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528 ms

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528 ms

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529 ms

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482 ms

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482 ms

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468 ms

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483 ms

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392 ms

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392 ms

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lgpagos.28aa8a9b847e848188653443dc9c1a45.png

413 ms

Accessibility Review

libreriasiglo.com accessibility score

89

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

Image elements do not have [alt] attributes

Best Practices

libreriasiglo.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

libreriasiglo.com SEO score

73

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 Libreriasiglo.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 Libreriasiglo.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

libreriasiglo.com

Open Graph description is not detected on the main page of Libreria Siglo. 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: