Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

openlibrary.io

The domain name openlibrary.io is for sale

Page Load Speed

2.2 sec in total

First Response

692 ms

Resources Loaded

1.3 sec

Page Rendered

171 ms

openlibrary.io screenshot

About Website

Welcome to openlibrary.io homepage info - get ready to check Openlibrary best content right away, or after learning these important things about openlibrary.io

The domain name openlibrary.io is for sale. Make an offer or buy it now at a set price.

Visit openlibrary.io

Key Findings

We analyzed Openlibrary.io page load time and found that the first response time was 692 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

openlibrary.io performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

openlibrary.io

692 ms

ww1.openlibrary.io

62 ms

caf.js

143 ms

2.5940ae1c.chunk.js

194 ms

main.4e219663.chunk.js

275 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 20% of them (1 request) were addressed to the original Openlibrary.io, 40% (2 requests) were made to Img1.wsimg.com and 20% (1 request) were made to Ww1.openlibrary.io. The less responsive or slowest element that took the longest time to load (692 ms) belongs to the original domain Openlibrary.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.3 kB (64%)

Content Size

146.9 kB

After Optimization

53.6 kB

In fact, the total size of Openlibrary.io main page is 146.9 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. 25% of websites need less resources to load. Javascripts take 144.3 kB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 1.3 kB

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 1.2 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 1.3 kB or 52% of the original size.

JavaScript Optimization

-64%

Potential reduce by 92.0 kB

  • Original 144.3 kB
  • After minification 144.3 kB
  • After compression 52.3 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 92.0 kB or 64% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Openlibrary. According to our analytics all requests are already optimized.

Accessibility Review

openlibrary.io accessibility score

85

Accessibility Issues

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

Document doesn't have a <title> element

High

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

Best Practices

openlibrary.io best practices score

92

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

Page has valid source maps

SEO Factors

openlibrary.io SEO score

75

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Document doesn't have a <title> element

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openlibrary.io can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Openlibrary.io 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

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