3.3 sec in total
611 ms
1.8 sec
889 ms
Visit historicbridges.org now to see the best up-to-date Historic Bridges content for United States and also check out these interesting facts you probably never knew about historicbridges.org
Historic bridges resource with photographs and information for bridges in North America. Includes in-depth articles about types in general.
Visit historicbridges.orgWe analyzed Historicbridges.org page load time and found that the first response time was 611 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.
historicbridges.org performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value7.6 s
3/100
25%
Value3.8 s
84/100
10%
Value570 ms
52/100
30%
Value0.019
100/100
15%
Value6.6 s
57/100
10%
611 ms
290 ms
213 ms
281 ms
295 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 62% of them (31 requests) were addressed to the original Historicbridges.org, 16% (8 requests) were made to Apis.google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Historicbridges.org.
Page size can be reduced by 224.0 kB (33%)
683.9 kB
459.9 kB
In fact, the total size of Historicbridges.org main page is 683.9 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. 45% of websites need less resources to load. Images take 448.3 kB which makes up the majority of the site volume.
Potential reduce by 136.2 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 136.2 kB or 85% of the original size.
Potential reduce by 44.5 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. Historic Bridges images are well optimized though.
Potential reduce by 17.1 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 17.1 kB or 39% of the original size.
Potential reduce by 26.2 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. Historicbridges.org needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 85% of the original size.
Number of requests can be reduced by 16 (34%)
47
31
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Historic Bridges. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
historicbridges.org
611 ms
menu.css
290 ms
bstyles.css
213 ms
default.css
281 ms
component.css
295 ms
modernizr.custom.js
288 ms
jquery.min.js
45 ms
jquery.dlmenu.js
199 ms
css
24 ms
ga.js
27 ms
plusone.js
116 ms
back.jpg
437 ms
browse2.gif
247 ms
seekbutton2.gif
229 ms
bbar3.gif
266 ms
logo.png
549 ms
twitter-b.png
264 ms
photobar.gif
379 ms
browser.gif
466 ms
bridgeseek2.gif
411 ms
little_dscf6624_small.jpg
446 ms
map_main.jpg
777 ms
intro.jpg
554 ms
info.jpg
594 ms
hbp.jpg
630 ms
printsstore.jpg
635 ms
ft.png
711 ms
news.jpg
700 ms
links.jpg
764 ms
gbar.gif
780 ms
chicagosbridges_small.jpg
793 ms
foundation.png
899 ms
bbar.gif
857 ms
footer2.gif
1001 ms
sdk.js
121 ms
__utm.gif
51 ms
icomoon.woff
891 ms
cb=gapi.loaded_0
9 ms
cb=gapi.loaded_1
46 ms
fastbutton
75 ms
94 ms
postmessageRelay
100 ms
cb=gapi.loaded_0
58 ms
cb=gapi.loaded_1
46 ms
xd_arbiter.php
89 ms
xd_arbiter.php
150 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
56 ms
3193398744-postmessagerelay.js
29 ms
rpc:shindig_random.js
34 ms
cb=gapi.loaded_0
7 ms
historicbridges.org accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
historicbridges.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
Issues were logged in the Issues panel in Chrome Devtools
historicbridges.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Historicbridges.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 Historicbridges.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.
historicbridges.org
Open Graph description is not detected on the main page of Historic Bridges. 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: