2.1 sec in total
436 ms
918 ms
719 ms
Welcome to overdrive.berkeleypubliclibrary.org homepage info - get ready to check Over Drive Berkeley Public Library best content for United States right away, or after learning these important things about overdrive.berkeleypubliclibrary.org
Berkeley Public Library
Visit overdrive.berkeleypubliclibrary.orgWe analyzed Overdrive.berkeleypubliclibrary.org page load time and found that the first response time was 436 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
overdrive.berkeleypubliclibrary.org performance score
name
value
score
weighting
Value3.7 s
31/100
10%
Value13.7 s
0/100
25%
Value7.5 s
27/100
10%
Value6,160 ms
0/100
30%
Value0.021
100/100
15%
Value14.9 s
8/100
10%
436 ms
28 ms
68 ms
73 ms
36 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Overdrive.berkeleypubliclibrary.org, 60% (26 requests) were made to Libraryreserve.cdn.overdrive.com and 7% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (436 ms) belongs to the original domain Overdrive.berkeleypubliclibrary.org.
Page size can be reduced by 722.2 kB (44%)
1.7 MB
930.6 kB
In fact, the total size of Overdrive.berkeleypubliclibrary.org main page is 1.7 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. 65% of websites need less resources to load. Images take 818.3 kB which makes up the majority of the site volume.
Potential reduce by 392.7 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 392.7 kB or 90% of the original size.
Potential reduce by 56.8 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. Over Drive Berkeley Public Library images are well optimized though.
Potential reduce by 271.9 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 271.9 kB or 69% of the original size.
Potential reduce by 856 B
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Overdrive.berkeleypubliclibrary.org needs all CSS files to be minified and compressed as it can save up to 856 B or 54% of the original size.
Number of requests can be reduced by 21 (53%)
40
19
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Over Drive Berkeley Public 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 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
Default.htm
436 ms
css
28 ms
css
68 ms
css
73 ms
dlr-complete-min.css
36 ms
site-custom.css
32 ms
jquery.min.js
34 ms
jquery-ui.min.js
62 ms
penultimate-min.js
30 ms
jquery.popupoverlay.js
25 ms
dynamic.to.top.min.js
43 ms
foundation.js
41 ms
app.js
41 ms
ultimatehome.js
40 ms
jquery.lazyload.js
42 ms
gtm.js
148 ms
spacer.gif
146 ms
TopLineBackground.jpg
46 ms
HeaderBG.png
52 ms
masthead.png
46 ms
sprites.png
46 ms
searchMobile.png
46 ms
TopLineBackground_red.jpg
48 ms
loadingImg.gif
46 ms
emb-audio-icon.png
52 ms
toutYAForKidsAndTeensBOTH.jpg
49 ms
toutODHelp.png
49 ms
toutOMC.jpg
48 ms
toutLEAP.jpg
50 ms
toutWIN.jpg
51 ms
jstag
38 ms
purrClose000.png
34 ms
BNSignIn.png
35 ms
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21 ms
analytics.js
35 ms
collect
13 ms
collect
116 ms
collect
22 ms
collect
114 ms
PoweredByOD_white.png
47 ms
ga-audiences
109 ms
1
68 ms
acj
18 ms
overdrive.berkeleypubliclibrary.org accessibility score
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
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
[aria-*] attributes are not valid or misspelled
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
overdrive.berkeleypubliclibrary.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
overdrive.berkeleypubliclibrary.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.berkeleypubliclibrary.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.berkeleypubliclibrary.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.berkeleypubliclibrary.org
Open Graph description is not detected on the main page of Over Drive Berkeley Public 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: