5 sec in total
1.7 sec
3.2 sec
124 ms
Welcome to postcodesdb.com homepage info - get ready to check Post CodesDB best content for United States right away, or after learning these important things about postcodesdb.com
zip codes and postal code. Zip Codes Database provides free reference for Zip Codes and Postal Codes of all countries and cities in the world.
Visit postcodesdb.comWe analyzed Postcodesdb.com page load time and found that the first response time was 1.7 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
postcodesdb.com performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value3.8 s
56/100
25%
Value5.0 s
63/100
10%
Value760 ms
39/100
30%
Value0
100/100
15%
Value8.7 s
36/100
10%
1683 ms
1059 ms
26 ms
64 ms
5 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 32% of them (9 requests) were addressed to the original Postcodesdb.com, 18% (5 requests) were made to Translate.googleapis.com and 14% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Postcodesdb.com.
Page size can be reduced by 26.6 kB (14%)
196.5 kB
169.9 kB
In fact, the total size of Postcodesdb.com main page is 196.5 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. 25% of websites need less resources to load. Javascripts take 114.6 kB which makes up the majority of the site volume.
Potential reduce by 10.5 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 2.4 kB, which is 16% 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 10.5 kB or 71% of the original size.
Potential reduce by 3.2 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. Post CodesDB images are well optimized though.
Potential reduce by 954 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 11.9 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. Postcodesdb.com needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 64% of the original size.
Number of requests can be reduced by 16 (64%)
25
9
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Post CodesDB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
postcodesdb.com
1683 ms
www.postcodesdb.com
1059 ms
css
26 ms
StyleSheet.css
64 ms
show_ads.js
5 ms
element.js
62 ms
ca-pub-9025366155516853.js
38 ms
zrt_lookup.html
33 ms
show_ads_impl.js
87 ms
ga.js
37 ms
bg_header.png
83 ms
header_pcdb.png
175 ms
main_menu_bg.gif
128 ms
main_menu_li.gif
127 ms
main_menu_active.png
127 ms
bg_footer.png
127 ms
translateelement.css
137 ms
main.js
141 ms
__utm.gif
67 ms
ads
217 ms
RJMlAoFXXQEzZoMSUteGWD8E0i7KZn-EPnyo3HZu7kw.woff
26 ms
osd.js
5 ms
element_main.js
38 ms
translate_24dp.png
71 ms
l
40 ms
cleardot.gif
28 ms
te_ctrl3.gif
10 ms
abg.js
23 ms
postcodesdb.com 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
[aria-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
postcodesdb.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
postcodesdb.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Postcodesdb.com 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 Postcodesdb.com 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.
postcodesdb.com
Open Graph description is not detected on the main page of Post CodesDB. 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: