2 sec in total
134 ms
1.5 sec
348 ms
Visit boulder.flatironslibrary.org now to see the best up-to-date Boulder Flatirons Library content for United States and also check out these interesting facts you probably never knew about boulder.flatironslibrary.org
Visit boulder.flatironslibrary.orgWe analyzed Boulder.flatironslibrary.org page load time and found that the first response time was 134 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
boulder.flatironslibrary.org performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value4.0 s
51/100
25%
Value3.5 s
88/100
10%
Value530 ms
55/100
30%
Value0.484
17/100
15%
Value5.2 s
74/100
10%
134 ms
139 ms
312 ms
128 ms
126 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Boulder.flatironslibrary.org, 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (707 ms) belongs to the original domain Boulder.flatironslibrary.org.
Page size can be reduced by 686.0 kB (34%)
2.0 MB
1.3 MB
In fact, the total size of Boulder.flatironslibrary.org main page is 2.0 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 30.1 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 30.1 kB or 80% of the original size.
Potential reduce by 24.6 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. Boulder Flatirons Library images are well optimized though.
Potential reduce by 473.4 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 473.4 kB or 71% of the original size.
Potential reduce by 157.9 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. Boulder.flatironslibrary.org needs all CSS files to be minified and compressed as it can save up to 157.9 kB or 84% of the original size.
Number of requests can be reduced by 6 (13%)
45
39
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boulder Flatirons Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
boulder.flatironslibrary.org
134 ms
main.min.css
139 ms
vufind.min.js
312 ms
close.png
128 ms
loading.gif
126 ms
prev.png
128 ms
next.png
128 ms
logo_responsive.png
114 ms
Login.png
112 ms
Menu.png
155 ms
Search.png
156 ms
browse_more_arrow.png
156 ms
twitter.png
125 ms
facebook.png
135 ms
youtube.png
137 ms
email-contact.png
198 ms
glyphicons-halflings-regular.woff
257 ms
ga.js
72 ms
AJAX
156 ms
__utm.gif
18 ms
bookcover.php
182 ms
bookcover.php
100 ms
bookcover.php
177 ms
bookcover.php
139 ms
bookcover.php
176 ms
bookcover.php
146 ms
bookcover.php
254 ms
bookcover.php
317 ms
bookcover.php
316 ms
bookcover.php
352 ms
bookcover.php
345 ms
bookcover.php
352 ms
bookcover.php
414 ms
bookcover.php
487 ms
bookcover.php
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bookcover.php
525 ms
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bookcover.php
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bookcover.php
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680 ms
bookcover.php
706 ms
bookcover.php
706 ms
bookcover.php
707 ms
stars.png
673 ms
__utm.gif
11 ms
boulder.flatironslibrary.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
button, link, and menuitem elements do not have accessible names.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
boulder.flatironslibrary.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
boulder.flatironslibrary.org SEO score
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
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Boulder.flatironslibrary.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 Boulder.flatironslibrary.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.
boulder.flatironslibrary.org
Open Graph description is not detected on the main page of Boulder Flatirons 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: