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oreillys.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

oreillys.com

o'reilly's irish pubs | Welcome

Page Load Speed

2.2 sec in total

First Response

177 ms

Resources Loaded

1.9 sec

Page Rendered

60 ms

oreillys.com screenshot

About Website

Click here to check amazing O Reilly S content for United States. Otherwise, check out these important facts you probably never knew about oreillys.com

Welcome to o'reilly's irish pubs: An Irish owned and operated pub group now loacted in Frankfurt, Amsterdam, Dusseldorf, Heidelberg, & Brussels.

Visit oreillys.com

Key Findings

We analyzed Oreillys.com page load time and found that the first response time was 177 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

oreillys.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

www.oreillys.com

177 ms

minified.js

50 ms

focus-within-polyfill.js

49 ms

polyfill.min.js

1103 ms

thunderbolt-commons.e52856fd.bundle.min.js

90 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Oreillys.com, 41% (14 requests) were made to Static.parastorage.com and 35% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 708.9 kB (63%)

Content Size

1.1 MB

After Optimization

422.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Oreillys.com main page is 1.1 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. 45% of websites need less resources to load. HTML takes 779.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 621.1 kB

  • Original 779.2 kB
  • After minification 777.6 kB
  • After compression 158.1 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 621.1 kB or 80% of the original size.

Image Optimization

-76%

Potential reduce by 84.1 kB

  • Original 110.5 kB
  • After minification 26.4 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. Obviously, O Reilly S needs image optimization as it can save up to 84.1 kB or 76% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 241.8 kB
  • After minification 241.8 kB
  • After compression 238.2 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.

Requests Breakdown

Number of requests can be reduced by 11 (58%)

Requests Now

19

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O Reilly S. 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

www.oreillys.com

www.oreillys.com

177 ms

minified.js

minified.js

50 ms

focus-within-polyfill.js

focus-within-polyfill.js

49 ms

polyfill.min.js

polyfill.min.js

1103 ms

thunderbolt-commons.e52856fd.bundle.min.js

thunderbolt-commons.e52856fd.bundle.min.js

90 ms

main.1a6553a8.bundle.min.js

main.1a6553a8.bundle.min.js

92 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

88 ms

lodash.min.js

lodash.min.js

91 ms

react.production.min.js

react.production.min.js

91 ms

react-dom.production.min.js

react-dom.production.min.js

90 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

91 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

90 ms

OR%20WEB%20Puka%20HERO-02.png

OR%20WEB%20Puka%20HERO-02.png

183 ms

64136f_4f8a0a40a14046858a89fc159147ac24~mv2.jpg

64136f_4f8a0a40a14046858a89fc159147ac24~mv2.jpg

319 ms

ironpatern.84ec58ff.png

ironpatern.84ec58ff.png

41 ms

bundle.min.js

bundle.min.js

53 ms

file.woff

file.woff

182 ms

file.woff

file.woff

229 ms

115 ms

113 ms

116 ms

115 ms

115 ms

114 ms

149 ms

140 ms

158 ms

153 ms

153 ms

152 ms

deprecation-en.v5.html

deprecation-en.v5.html

6 ms

bolt-performance

bolt-performance

22 ms

deprecation-style.v5.css

deprecation-style.v5.css

8 ms

right-arrow.svg

right-arrow.svg

7 ms

Accessibility Review

oreillys.com accessibility score

93

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

Buttons do not have an accessible name

Best Practices

oreillys.com 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

oreillys.com SEO score

94

Search Engine Optimization Advices

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 Oreillys.com 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 Oreillys.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

oreillys.com

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