1.5 sec in total
575 ms
745 ms
150 ms
Click here to check amazing Oac Cdlib content for United States. Otherwise, check out these important facts you probably never knew about oac.cdlib.org
The Online Archive of California (OAC) is a research gateway to unique and historical materials at archives, libraries, and museums throughout California.
Visit oac.cdlib.orgWe analyzed Oac.cdlib.org page load time and found that the first response time was 575 ms and then it took 895 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
oac.cdlib.org performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value3.2 s
74/100
25%
Value2.6 s
97/100
10%
Value80 ms
99/100
30%
Value0
100/100
15%
Value2.7 s
97/100
10%
575 ms
144 ms
306 ms
30 ms
251 ms
Our browser made a total of 13 requests to load all elements on the main page. We found that 77% of them (10 requests) were addressed to the original Oac.cdlib.org, 15% (2 requests) were made to Google-analytics.com and 8% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (575 ms) belongs to the original domain Oac.cdlib.org.
Page size can be reduced by 65.1 kB (40%)
160.9 kB
95.9 kB
In fact, the total size of Oac.cdlib.org main page is 160.9 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. 15% of websites need less resources to load. HTML takes 75.8 kB which makes up the majority of the site volume.
Potential reduce by 65.0 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. This page needs HTML code to be minified as it can gain 9.7 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 65.0 kB or 86% of the original size.
Potential reduce by 23 B
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. Oac Cdlib images are well optimized though.
Potential reduce by 34 B
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.
We found no issues to fix!
12
12
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oac Cdlib. According to our analytics all requests are already optimized.
oac.cdlib.org
575 ms
reset-fonts-grids.css
144 ms
oac.css
306 ms
jquery-ui.css
30 ms
__utm.js
251 ms
__utm.gif
78 ms
oac_logo.gif
73 ms
go.gif
86 ms
oac-home6.jpg
101 ms
state_map.gif
170 ms
calisphere_banner.jpg
109 ms
ga.js
39 ms
__utm.gif
11 ms
oac.cdlib.org 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
oac.cdlib.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
oac.cdlib.org SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oac.cdlib.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Oac.cdlib.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.
oac.cdlib.org
Open Graph description is not detected on the main page of Oac Cdlib. 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: