5.2 sec in total
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Visit collections.otis.edu now to see the best up-to-date Collections Otis content for United States and also check out these interesting facts you probably never knew about collections.otis.edu
Otis Collections Online
Visit collections.otis.eduWe analyzed Collections.otis.edu page load time and found that the first response time was 1.4 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
collections.otis.edu performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value15.1 s
0/100
25%
Value10.7 s
7/100
10%
Value40 ms
100/100
30%
Value0.137
79/100
15%
Value9.7 s
28/100
10%
1446 ms
145 ms
138 ms
139 ms
149 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Collections.otis.edu, 6% (5 requests) were made to Fast.fonts.com and 5% (4 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Otis.edu.
Page size can be reduced by 1.2 MB (60%)
2.0 MB
785.1 kB
In fact, the total size of Collections.otis.edu 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. 50% of websites need less resources to load. Javascripts take 636.3 kB which makes up the majority of the site volume.
Potential reduce by 86.9 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 86.9 kB or 82% of the original size.
Potential reduce by 82.5 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, Collections Otis needs image optimization as it can save up to 82.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 458.8 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 458.8 kB or 72% of the original size.
Potential reduce by 546.3 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. Collections.otis.edu needs all CSS files to be minified and compressed as it can save up to 546.3 kB or 88% of the original size.
Number of requests can be reduced by 31 (44%)
70
39
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Collections Otis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
otis-collections-online
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collections.otis.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.
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
collections.otis.edu 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
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
collections.otis.edu SEO score
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Collections.otis.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 Collections.otis.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.
collections.otis.edu
Open Graph data is detected on the main page of Collections Otis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: