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duckdb.org screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

duckdb.org

DuckDB – An in-process SQL OLAP database management system

Page Load Speed

524 ms in total

First Response

56 ms

Resources Loaded

257 ms

Page Rendered

211 ms

duckdb.org screenshot

About Website

Welcome to duckdb.org homepage info - get ready to check DuckDB best content for United States right away, or after learning these important things about duckdb.org

DuckDB is an in-process SQL OLAP database management system. Simple, feature-rich, fast & open source.

Visit duckdb.org

Key Findings

We analyzed Duckdb.org page load time and found that the first response time was 56 ms and then it took 468 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

duckdb.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value8,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

duckdb.org

56 ms

normalize.css

36 ms

main.css

30 ms

mobilestyles.css

24 ms

minisearch.js

60 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Duckdb.org and no external sources were called. The less responsive or slowest element that took the longest time to load (115 ms) belongs to the original domain Duckdb.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.6 kB (14%)

Content Size

282.9 kB

After Optimization

243.3 kB

  • HTML
  • Images

In fact, the total size of Duckdb.org main page is 282.9 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. 45% of websites need less resources to load. Images take 235.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 39.6 kB

  • Original 47.3 kB
  • After minification 44.6 kB
  • After compression 7.7 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. 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 39.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 235.6 kB
  • After minification 235.6 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. DuckDB images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 12 (63%)

Requests Now

19

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DuckDB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duckdb.org

duckdb.org

56 ms

normalize.css

normalize.css

36 ms

main.css

main.css

30 ms

mobilestyles.css

mobilestyles.css

24 ms

minisearch.js

minisearch.js

60 ms

search.js

search.js

45 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

43 ms

lottie.min.js

lottie.min.js

115 ms

copy_button.js

copy_button.js

49 ms

script.js

script.js

42 ms

DuckDB_Logo.png

DuckDB_Logo.png

82 ms

DuckDB-Footer.svg

DuckDB-Footer.svg

66 ms

hamburgers.min.css

hamburgers.min.css

31 ms

copy_button.css

copy_button.css

36 ms

search.css

search.css

43 ms

home.css

home.css

44 ms

syntax_highlighting.css

syntax_highlighting.css

13 ms

240301.png

240301.png

41 ms

240213.svg

240213.svg

26 ms

240126.png

240126.png

27 ms

SuisseIntl-Book-WebXL.woff

SuisseIntl-Book-WebXL.woff

45 ms

SuisseIntl-SemiBold-WebXL.woff

SuisseIntl-SemiBold-WebXL.woff

40 ms

SuisseIntl-Bold-WebS.woff

SuisseIntl-Bold-WebS.woff

36 ms

JetBrainsMonoNL-Regular.woff

JetBrainsMonoNL-Regular.woff

30 ms

DuckDB-Symbol.woff

DuckDB-Symbol.woff

24 ms

Accessibility Review

duckdb.org accessibility score

95

Accessibility Issues

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

Links do not have a discernible name

Best Practices

duckdb.org 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

duckdb.org SEO score

89

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

duckdb.org

Open Graph data is detected on the main page of DuckDB. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: