Tools & Wizards About Us
publicapi.dev screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

publicapi.dev

PublicAPI - A collection of free APIs for software and web development use

Page Load Speed

1.4 sec in total

First Response

225 ms

Resources Loaded

631 ms

Page Rendered

558 ms

publicapi.dev screenshot

About Website

Welcome to publicapi.dev homepage info - get ready to check PublicAPI best content right away, or after learning these important things about publicapi.dev

PublicAPI is a free directory of public APIs for software, mobile and web development use. You can search, filter and mark the APIs and use them in your apps for free!

Visit publicapi.dev

Key Findings

We analyzed Publicapi.dev page load time and found that the first response time was 225 ms and then it took 1.2 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

publicapi.dev performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

publicapi.dev

225 ms

js

137 ms

9c7c31379145dc5c.css

16 ms

polyfills-c67a75d1b6f99dc8.js

77 ms

webpack-cb7634a8b6194820.js

31 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 80% of them (32 requests) were addressed to the original Publicapi.dev, 15% (6 requests) were made to Images.ctfassets.net and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (225 ms) belongs to the original domain Publicapi.dev.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.0 kB (6%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images

In fact, the total size of Publicapi.dev main page is 1.4 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 58.1 kB

  • Original 72.3 kB
  • After minification 71.6 kB
  • After compression 14.2 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 58.1 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 32.9 kB

  • Original 1.3 MB
  • After minification 1.3 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. PublicAPI images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

39

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PublicAPI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

publicapi.dev

publicapi.dev

225 ms

js

js

137 ms

9c7c31379145dc5c.css

9c7c31379145dc5c.css

16 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

77 ms

webpack-cb7634a8b6194820.js

webpack-cb7634a8b6194820.js

31 ms

framework-4556c45dd113b893.js

framework-4556c45dd113b893.js

39 ms

main-18053c3f67c4d467.js

main-18053c3f67c4d467.js

31 ms

_app-f3c3abaa3dd52fe4.js

_app-f3c3abaa3dd52fe4.js

32 ms

29107295-fbcfe2172188e46f.js

29107295-fbcfe2172188e46f.js

75 ms

238-66e75300e7944d78.js

238-66e75300e7944d78.js

180 ms

548-12e35452754b5bdc.js

548-12e35452754b5bdc.js

42 ms

index-198edc919ee5bc7f.js

index-198edc919ee5bc7f.js

40 ms

_buildManifest.js

_buildManifest.js

54 ms

_ssgManifest.js

_ssgManifest.js

50 ms

logo.svg

logo.svg

131 ms

apilayer.com.png

apilayer.com.png

173 ms

ipstack.com.png

ipstack.com.png

205 ms

yandex.com.png

yandex.com.png

173 ms

weatherbit.io.png

weatherbit.io.png

173 ms

weatherapi.com.png

weatherapi.com.png

174 ms

visualcrossing.com.png

visualcrossing.com.png

175 ms

weather.gov.png

weather.gov.png

205 ms

docs.tomorrow.io.png

docs.tomorrow.io.png

203 ms

stormglass.io.png

stormglass.io.png

204 ms

rainviewer.com.png

rainviewer.com.png

203 ms

dev.qweather.com.png

dev.qweather.com.png

203 ms

openweathermap.org.png

openweathermap.org.png

204 ms

openuv.io.png

openuv.io.png

205 ms

api.opensensemap.org.png

api.opensensemap.org.png

206 ms

open-meteo.com.png

open-meteo.com.png

205 ms

docs.oikolab.com.png

docs.oikolab.com.png

204 ms

api.oceandrivers.com.png

api.oceandrivers.com.png

205 ms

m3o.com.png

m3o.com.png

206 ms

photo-1555949963-ff9fe0c870eb

photo-1555949963-ff9fe0c870eb

33 ms

photo-1575908539614-ff89490f4a78

photo-1575908539614-ff89490f4a78

40 ms

photo-1576297185621-93ed9df5ca9a

photo-1576297185621-93ed9df5ca9a

63 ms

19369327

19369327

42 ms

soapui-icon.png

soapui-icon.png

39 ms

logo-glyph.png

logo-glyph.png

41 ms

inter.css

inter.css

39 ms

Accessibility Review

publicapi.dev accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

publicapi.dev 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

SEO Factors

publicapi.dev 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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Publicapi.dev can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Publicapi.dev 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

publicapi.dev

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