6.4 sec in total
2.2 sec
3 sec
1.1 sec
Visit overdrive.boulderlibrary.org now to see the best up-to-date Overdrive Boulder Library content for United States and also check out these interesting facts you probably never knew about overdrive.boulderlibrary.org
Boulder’s center for community and culture. Free access to meeting rooms, ideas, information, events and educational opportunities.
Visit overdrive.boulderlibrary.orgWe analyzed Overdrive.boulderlibrary.org page load time and found that the first response time was 2.2 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
overdrive.boulderlibrary.org performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value6.1 s
12/100
25%
Value6.6 s
38/100
10%
Value940 ms
30/100
30%
Value0.311
37/100
15%
Value9.1 s
33/100
10%
2243 ms
28 ms
49 ms
49 ms
31 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Overdrive.boulderlibrary.org, 64% (27 requests) were made to Libraryreserve.cdn.overdrive.com and 14% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Overdrive.boulderlibrary.org.
Page size can be reduced by 694.6 kB (63%)
1.1 MB
413.4 kB
In fact, the total size of Overdrive.boulderlibrary.org 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. 55% of websites need less resources to load. HTML takes 436.6 kB which makes up the majority of the site volume.
Potential reduce by 392.4 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 392.4 kB or 90% of the original size.
Potential reduce by 58.7 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, Overdrive Boulder Library needs image optimization as it can save up to 58.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 243.5 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 243.5 kB or 69% of the original size.
Number of requests can be reduced by 14 (41%)
34
20
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Overdrive Boulder Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
Default.htm
2243 ms
css
28 ms
css
49 ms
css
49 ms
dlr-complete-min.css
31 ms
site-custom.css
16 ms
jquery.min.js
19 ms
jquery-ui.min.js
19 ms
penultimate-min.js
23 ms
jquery.popupoverlay.js
15 ms
dynamic.to.top.min.js
6 ms
foundation.js
23 ms
app.js
5 ms
ultimatehome.js
24 ms
jquery.lazyload.js
23 ms
backgroundImage02.png
242 ms
gtm.js
237 ms
spacer.gif
30 ms
TopLineBackground.jpg
34 ms
masthead.png
33 ms
sprites.png
35 ms
searchMobile.png
31 ms
backgroundImage03.png
37 ms
loadingImg.gif
35 ms
big_library_read.png
41 ms
customImage10.png
38 ms
toutAdvantage.gif
40 ms
toutWIN.jpg
38 ms
toutOMC.jpg
41 ms
toutODHelp.png
40 ms
backgroundImage04.png
42 ms
PoweredByOD_white.png
43 ms
purrClose000.png
110 ms
BNSignIn.png
110 ms
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36 ms
k3k702ZOKiLJc3WVjuplzJS3E-kSBmtLoNJPDtbj2Pk.ttf
39 ms
ODelI1aHBYDBqgeIAH2zlEY6Fu39Tt9XkmtSosaMoEA.ttf
108 ms
toadOcfmlt9b38dHJxOBGPS42wKzre0cxmO5m5GyTsY.ttf
110 ms
toadOcfmlt9b38dHJxOBGBRq_IsDXucKYMk4-diqPEc.ttf
109 ms
UAnF6lSK1JNc1tqTiG8pNALUuEpTyoUstqEm5AMlJo4.ttf
109 ms
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25 ms
analytics.js
12 ms
overdrive.boulderlibrary.org accessibility score
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
overdrive.boulderlibrary.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
overdrive.boulderlibrary.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Overdrive.boulderlibrary.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 Overdrive.boulderlibrary.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.
overdrive.boulderlibrary.org
Open Graph description is not detected on the main page of Overdrive Boulder Library. 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: