3.6 sec in total
245 ms
3.2 sec
145 ms
Click here to check amazing Lib Berkeley content for United States. Otherwise, check out these important facts you probably never knew about lib.berkeley.edu
The UC Berkeley Library helps current and future users find, evaluate, use and create knowledge to better the world.
Visit lib.berkeley.eduWe analyzed Lib.berkeley.edu page load time and found that the first response time was 245 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
lib.berkeley.edu performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value7.8 s
3/100
25%
Value8.2 s
20/100
10%
Value200 ms
90/100
30%
Value0.05
99/100
15%
Value8.4 s
38/100
10%
245 ms
444 ms
264 ms
173 ms
167 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 88% of them (52 requests) were addressed to the original Lib.berkeley.edu, 5% (3 requests) were made to Google-analytics.com and 5% (3 requests) were made to . The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Lib.berkeley.edu.
Page size can be reduced by 1.3 MB (53%)
2.5 MB
1.2 MB
In fact, the total size of Lib.berkeley.edu main page is 2.5 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 55.6 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 55.6 kB or 82% of the original size.
Potential reduce by 566.5 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, Lib Berkeley needs image optimization as it can save up to 566.5 kB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 269.0 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 269.0 kB or 74% of the original size.
Potential reduce by 431.5 kB
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. Lib.berkeley.edu needs all CSS files to be minified and compressed as it can save up to 431.5 kB or 54% of the original size.
Number of requests can be reduced by 20 (48%)
42
22
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lib Berkeley. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
lib.berkeley.edu
245 ms
www.lib.berkeley.edu
444 ms
node
264 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
173 ms
css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css
167 ms
css_0xWNTDIrSNX1eUF1ZNLEUH9WpDkGTCTqHWHL7iPuqAw.css
246 ms
css_Cs3JQVFbeHrV4gZfLJgZxGW328x8KHx-Yz1M2mEK1AM.css
169 ms
css_cYemy2-PW1BhFNfks9PkldaZrorD6JrNfrXkVsCZIME.css
979 ms
js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js
562 ms
js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js
339 ms
js_V_Snl0a8n7Bv-VUEC_-M1hMDPRHoCXcIBoBlDciGOQc.js
255 ms
js_tyia-mG7hUTQrKWBHWTQXBmdRRbbjTqFtDX7XGjVDwQ.js
396 ms
js_HZL1CK7j6I5RPOJpM2d2a4FYCquIy6jZXNZJrj9xGLM.js
486 ms
js_L2dDVqfpM9gUJ0S81iAjObiNAnwDCd4Fi4vCw1WzkQo.js
418 ms
js_3oqWiHh-Lr6-AKZv0st9w2stW_O8y9C35tHemctiu7w.js
589 ms
ebscohostsearch.js
172 ms
analytics.js
129 ms
header_libraryhomepage.png
124 ms
gewanter_lunchpoems.jpg
169 ms
newsflasback_array.jpg
259 ms
oil_field.jpg
326 ms
imagined_communities_book_cover.jpg
405 ms
elder_couple_walking_lane_0.jpg
258 ms
book_glasses_clock_vintage.jpg
416 ms
movie_remote_woman.jpg
333 ms
hours.png
344 ms
ask_us-2.0-top.png
346 ms
study_space.png
413 ms
ask_us-2.0-bottom.png
444 ms
logo_berkeley.png
588 ms
menu-leaf.png
327 ms
Gift-512-30x30px.png
367 ms
carousel_pager_inactive.png
381 ms
news_events_pointer.png
382 ms
background_browser.gif
383 ms
browser_msie.gif
406 ms
browser_firefox.gif
457 ms
browser_safari.gif
468 ms
browser_opera.gif
468 ms
browser_chrome.gif
471 ms
arrows-ffffff.png
490 ms
header_libraryhomepage.png
1167 ms
QAA
14 ms
0AAA==
13 ms
gAA
12 ms
linkid.js
13 ms
collect
12 ms
carousel_pager_active.png
230 ms
Gift-512-30x30px.png
193 ms
carousel_pager_inactive.png
179 ms
news_events_pointer.png
177 ms
background_browser.gif
194 ms
browser_msie.gif
235 ms
browser_firefox.gif
186 ms
browser_opera.gif
176 ms
browser_safari.gif
174 ms
browser_chrome.gif
190 ms
carousel_pager_active.png
185 ms
css_2THG1eGiBIizsWFeexsNe1iDifJ00QRS9uSd03rY9co.css
84 ms
lib.berkeley.edu accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
lib.berkeley.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
lib.berkeley.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Lib.berkeley.edu 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 Lib.berkeley.edu 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.
lib.berkeley.edu
Open Graph description is not detected on the main page of Lib Berkeley. 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: