2.9 sec in total
290 ms
2.5 sec
183 ms
Visit jeffcolibrary.org now to see the best up-to-date Jeffco Library content for United States and also check out these interesting facts you probably never knew about jeffcolibrary.org
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Visit jeffcolibrary.orgWe analyzed Jeffcolibrary.org page load time and found that the first response time was 290 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
jeffcolibrary.org performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value7.1 s
5/100
25%
Value5.1 s
62/100
10%
Value1,530 ms
13/100
30%
Value0.055
98/100
15%
Value14.2 s
9/100
10%
290 ms
142 ms
144 ms
145 ms
146 ms
Our browser made a total of 132 requests to load all elements on the main page. We found that 96% of them (127 requests) were addressed to the original Jeffcolibrary.org, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (781 ms) belongs to the original domain Jeffcolibrary.org.
Page size can be reduced by 445.6 kB (16%)
2.8 MB
2.4 MB
In fact, the total size of Jeffcolibrary.org main page is 2.8 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. 50% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 84.8 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 84.8 kB or 84% of the original size.
Potential reduce by 178.5 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. Jeffco Library images are well optimized though.
Potential reduce by 129.5 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 129.5 kB or 75% of the original size.
Potential reduce by 52.9 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. Jeffcolibrary.org needs all CSS files to be minified and compressed as it can save up to 52.9 kB or 78% of the original size.
Number of requests can be reduced by 17 (13%)
131
114
The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jeffco 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 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
jeffcolibrary.org
290 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
142 ms
css_Dh3942l7jxRUH_TAZgl8YrFFjZFd_nCwJIW4KfM-G88.css
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css_7y3V08jWsYsigu8NaseUPuiIqh7DvsuvuF3v23-roe0.css
145 ms
css_xK6n7He6XBy_2KVI-urbyaTOUAD6H9iD72Qtz4X1AuA.css
146 ms
css_832Qjt2skpUHAvRZLTBWb8DPhBOXH9ptul9QUvfAeBc.css
153 ms
jquery.min.js
30 ms
js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
174 ms
js_yAicZujtqUhpCyuBiQyVA1uGwMX8V0A0ym_4Jb35kBQ.js
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js_X76pSKciiz195HKocY9EPlVD3VSbZIwXYgU14fFhETE.js
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js_MMLzwdgVz8sKgsyS_a33RzVXNZzgF9AZdG3fVNQHs_o.js
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js_43n5FBy8pZxQHxPXkf-sQF7ZiacVZke14b0VlvSA554.js
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analytics.js
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gtm.js
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background.jpg
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menu-leaf.png
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JCPL_transitional_logo_0.png
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kids.png
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39827_BL_Miniature_Exhibit_crsl_Feb-Apr_V3.png
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contest%20winer_crsl.png
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blog_1.jpg
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map_homepage.jpg
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465 ms
jeffcolibrary.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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
jeffcolibrary.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
jeffcolibrary.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 Jeffcolibrary.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 Jeffcolibrary.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.
jeffcolibrary.org
Open Graph description is not detected on the main page of Jeffco 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: