Tools & Wizards About Us
ou.worldcat.org screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

ou.worldcat.org

Page Load Speed

1.5 sec in total

First Response

294 ms

Resources Loaded

1.1 sec

Page Rendered

130 ms

ou.worldcat.org screenshot

About Website

Visit ou.worldcat.org now to see the best up-to-date Ou Worldcat content for United States and also check out these interesting facts you probably never knew about ou.worldcat.org

Visit ou.worldcat.org

Key Findings

We analyzed Ou.worldcat.org page load time and found that the first response time was 294 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

ou.worldcat.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

ou.worldcat.org

294 ms

modals_jquery.css

90 ms

jquery.min.js

41 ms

jquery-ui.min.js

72 ms

autocomplete.js

88 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 9% of them (3 requests) were addressed to the original Ou.worldcat.org, 69% (22 requests) were made to Static1.worldcat.org and 9% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (361 ms) relates to the external source Libraries.ou.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.0 kB (63%)

Content Size

143.7 kB

After Optimization

52.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ou.worldcat.org main page is 143.7 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. Images take 80.8 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 21.3 kB

  • Original 29.0 kB
  • After minification 26.3 kB
  • After compression 7.8 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 21.3 kB or 73% of the original size.

Image Optimization

-86%

Potential reduce by 69.7 kB

  • Original 80.8 kB
  • After minification 11.1 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, Ou Worldcat needs image optimization as it can save up to 69.7 kB or 86% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 15 B

  • Original 33.8 kB
  • After minification 33.8 kB
  • After compression 33.8 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 24 (80%)

Requests Now

30

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ou Worldcat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ou.worldcat.org

ou.worldcat.org

294 ms

modals_jquery.css

modals_jquery.css

90 ms

jquery.min.js

jquery.min.js

41 ms

jquery-ui.min.js

jquery-ui.min.js

72 ms

autocomplete.js

autocomplete.js

88 ms

masthead.css

masthead.css

133 ms

screen-min.css

screen-min.css

142 ms

alerts.css

alerts.css

133 ms

new_wcorg.css

new_wcorg.css

135 ms

layered_divs.css

layered_divs.css

140 ms

top-min.js

top-min.js

158 ms

qm_over_select.js

qm_over_select.js

133 ms

prototype.js

prototype.js

131 ms

record.css

record.css

183 ms

itemformat.css

itemformat.css

137 ms

menuBar.js

menuBar.js

138 ms

loginpopup.css

loginpopup.css

170 ms

loginpopupLocal.js

loginpopupLocal.js

169 ms

s_code.js

s_code.js

30 ms

lib-logo-wcl.png

lib-logo-wcl.png

264 ms

wclocal_srchwc.gif

wclocal_srchwc.gif

184 ms

layer_close.gif

layer_close.gif

181 ms

fs2x2.gif

fs2x2.gif

182 ms

database_error.png

database_error.png

181 ms

bg_icons_useracct.png

bg_icons_useracct.png

97 ms

bg_search_cont.png

bg_search_cont.png

98 ms

arrow_down.gif

arrow_down.gif

45 ms

bg_srchinput_autocomp.png

bg_srchinput_autocomp.png

28 ms

print-min.css

print-min.css

107 ms

lib-logo-wcl.png

lib-logo-wcl.png

361 ms

s02870338868815

s02870338868815

85 ms

cr_print.css

cr_print.css

72 ms

Accessibility Review

ou.worldcat.org accessibility score

100

Accessibility Issues

Best Practices

ou.worldcat.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

ou.worldcat.org SEO score

88

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Ou.worldcat.org 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 Ou.worldcat.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

ou.worldcat.org

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