2.8 sec in total
914 ms
1.5 sec
318 ms
Visit cityobservatory.org now to see the best up-to-date City Observatory content for United States and also check out these interesting facts you probably never knew about cityobservatory.org
The City Observatory is a study of modern-day cities and urban development practices.
Visit cityobservatory.orgWe analyzed Cityobservatory.org page load time and found that the first response time was 914 ms and then it took 1.8 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.
cityobservatory.org performance score
name
value
score
weighting
Value1.8 s
89/100
10%
Value5.0 s
27/100
25%
Value4.0 s
81/100
10%
Value110 ms
97/100
30%
Value0
100/100
15%
Value5.0 s
77/100
10%
914 ms
17 ms
71 ms
43 ms
70 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 74% of them (25 requests) were addressed to the original Cityobservatory.org, 9% (3 requests) were made to S.gravatar.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (914 ms) belongs to the original domain Cityobservatory.org.
Page size can be reduced by 429.2 kB (40%)
1.1 MB
650.9 kB
In fact, the total size of Cityobservatory.org main page is 1.1 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. 55% of websites need less resources to load. Images take 544.0 kB which makes up the majority of the site volume.
Potential reduce by 56.7 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 10.3 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 56.7 kB or 74% of the original size.
Potential reduce by 47.5 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. City Observatory images are well optimized though.
Potential reduce by 184.5 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 184.5 kB or 62% of the original size.
Potential reduce by 140.5 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. Cityobservatory.org needs all CSS files to be minified and compressed as it can save up to 140.5 kB or 86% of the original size.
Number of requests can be reduced by 16 (53%)
30
14
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of City Observatory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
cityobservatory.org
914 ms
wp-emoji-release.min.js
17 ms
style.css
71 ms
jetpack.css
43 ms
jquery.js
70 ms
jquery-migrate.min.js
29 ms
photon.js
29 ms
devicepx-jetpack.js
60 ms
gprofiles.js
60 ms
wpgroho.js
29 ms
app.min.js
177 ms
skip-link-focus-fix.js
44 ms
comment-reply.min.js
45 ms
wp-embed.min.js
54 ms
e-201609.js
4 ms
logo.png
366 ms
reports-logo.png
365 ms
subjects-logo.png
366 ms
comments-logo.png
367 ms
arrow-blue.png
365 ms
TransitPhoto-1.jpg
371 ms
sccjg11.png
367 ms
smaller-info-wider1.png
370 ms
6663115223_4dfc81bb15_z.jpg
373 ms
knight.png
367 ms
PublicoText-Roman-Web.woff
372 ms
PublicoText-Bold-Web.woff
371 ms
ss-social-circle.woff
368 ms
analytics.js
353 ms
687325728958853120
351 ms
hovercard.css
74 ms
services.css
76 ms
g.gif
63 ms
collect
26 ms
cityobservatory.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.
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
Links do not have a discernible name
cityobservatory.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
Browser errors were logged to the console
Page has valid source maps
cityobservatory.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Cityobservatory.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 Cityobservatory.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.
cityobservatory.org
Open Graph data is detected on the main page of City Observatory. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: