4.9 sec in total
175 ms
4.1 sec
577 ms
Visit postcodebase.com now to see the best up-to-date Post Code Base content for United States and also check out these interesting facts you probably never knew about postcodebase.com
This is a professional postal code / ZIP code website, it currently provides postcode inquiry service around hundreds of countries in 50+ languages. There are more than 40,000,000 postcode / ZIP code ...
Visit postcodebase.comWe analyzed Postcodebase.com page load time and found that the first response time was 175 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
postcodebase.com performance score
name
value
score
weighting
Value1.5 s
96/100
10%
Value1.5 s
100/100
25%
Value4.3 s
76/100
10%
Value750 ms
39/100
30%
Value0
100/100
15%
Value9.1 s
33/100
10%
175 ms
802 ms
82 ms
161 ms
212 ms
Our browser made a total of 161 requests to load all elements on the main page. We found that 93% of them (149 requests) were addressed to the original Postcodebase.com, 2% (4 requests) were made to Pagead2.googlesyndication.com and 2% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Postcodebase.com.
Page size can be reduced by 391.1 kB (55%)
705.8 kB
314.7 kB
In fact, the total size of Postcodebase.com main page is 705.8 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. 35% of websites need less resources to load. Javascripts take 555.8 kB which makes up the majority of the site volume.
Potential reduce by 39.4 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 39.4 kB or 79% of the original size.
Potential reduce by 8.6 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. Obviously, Post Code Base needs image optimization as it can save up to 8.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 311.3 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 311.3 kB or 56% of the original size.
Potential reduce by 31.8 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. Postcodebase.com needs all CSS files to be minified and compressed as it can save up to 31.8 kB or 75% of the original size.
Number of requests can be reduced by 148 (93%)
159
11
The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Post Code Base. 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 from 5 to 1 for CSS and as a result speed up the page load time.
postcodebase.com
175 ms
postcodebase.com
802 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
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css_2THG1eGiBIizsWFeexsNe1iDifJ00QRS9uSd03rY9co.css
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postcodebase.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
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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
postcodebase.com 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
General
Impact
Issue
Detected JavaScript libraries
postcodebase.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Postcodebase.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 Postcodebase.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.
postcodebase.com
Open Graph description is not detected on the main page of Post Code Base. 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: