Access lerlivros.online. Delvali

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

lerlivros.online

1182 ms

wp-emoji-release.min.js

164 ms

yith_wcas_ajax_search.css

152 ms

bootstrap.min.css

16 ms

app.min.css

226 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 85% of them (62 requests) were addressed to the original Lerlivros.online, 5% (4 requests) were made to Pagead2.googlesyndication.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Lerlivros.online.

Content Size

1.6 MB

After Optimization

653.9 kB

In fact, the total size of Lerlivros.online main page is 1.6 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. 70% of websites need less resources to load. CSS take 575.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 64.1 kB

Original 78.7 kB
After minification 78.6 kB
After compression 14.6 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 64.1 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 18.0 kB

Original 371.3 kB
After minification 353.3 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. Lerlivros images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 320.7 kB

Original 529.8 kB
After minification 527.8 kB
After compression 209.1 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 320.7 kB or 61% of the original size.

CSS Optimization

-87%

Potential reduce by 498.4 kB

Original 575.4 kB
After minification 571.0 kB
After compression 77.0 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. Lerlivros.online needs all CSS files to be minified and compressed as it can save up to 498.4 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lerlivros. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

PT
Language Claimed

PT
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lerlivros.online can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that Lerlivros.online 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

lerlivros.online

Open Graph description is not detected on the main page of Lerlivros. 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

Delvali

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

lerlivros.online

wp-emoji-release.min.js

yith_wcas_ajax_search.css

bootstrap.min.css

app.min.css

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

lerlivros.online

wp-emoji-release.min.js

yith_wcas_ajax_search.css

bootstrap.min.css

app.min.css

magnific.css

fontello.css

mediaelementplayer.min.css

css

dynamic.css

woocommerce.css

plugins.min.css

jquery.js

jquery-migrate.min.js

init.js

modernizr.custom.46504.js

adsbygoogle.js

jquery.blockUI.min.js

woocommerce.min.js

jquery.cookie.min.js

cart-fragments.min.js

yith-autocomplete.min.js

bootstrap.min.js

waypoints.min.js

magnific.min.js

jquery.carouFredSel-6.2.0-packed.js

jquery.touchSwipe.min.js

mediaelement-and-player.min.js

isotope.pkgd.min.js

app.min.js

wp-embed.min.js

frontend.min.js

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