Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

application-esta.co.uk

ESTA | USA Electronic System for Travel Authorisation

Page Load Speed

5.1 sec in total

First Response

294 ms

Resources Loaded

3.9 sec

Page Rendered

877 ms

application-esta.co.uk screenshot

About Website

Click here to check amazing Application ESTA content for United Kingdom. Otherwise, check out these important facts you probably never knew about application-esta.co.uk

Check ESTA Status | U.S. ESTA Application Website for citizens travelling to USA | Check ESTA status and eligibility | Apply for ESTA here.

Visit application-esta.co.uk

Key Findings

We analyzed Application-esta.co.uk page load time and found that the first response time was 294 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

application-esta.co.uk performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

application-esta.co.uk

294 ms

www.application-esta.co.uk

596 ms

application-b9a5e55daae32662ac0f1b89759503c3a5a10cdac08842459be4fc7ee4e7f0b9.css

308 ms

application-64d72482878afc91f00dc804d004a5eb3eda3302ece464c7050552bf9e8baf34.js

800 ms

buttons.js

7 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 63% of them (53 requests) were addressed to the original Application-esta.co.uk, 5% (4 requests) were made to W.sharethis.com and 2% (2 requests) were made to V2.zopim.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Application-esta.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (32%)

Content Size

5.3 MB

After Optimization

3.6 MB

In fact, the total size of Application-esta.co.uk main page is 5.3 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. 65% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 26.6 kB

  • Original 35.5 kB
  • After minification 30.4 kB
  • After compression 8.9 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. This page needs HTML code to be minified as it can gain 5.1 kB, which is 14% 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 26.6 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 169.5 kB

  • Original 3.2 MB
  • After minification 3.1 MB

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. Application ESTA images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 1.1 MB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 433.1 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 1.1 MB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 452.3 kB

  • Original 545.0 kB
  • After minification 543.6 kB
  • After compression 92.7 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. Application-esta.co.uk needs all CSS files to be minified and compressed as it can save up to 452.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (30%)

Requests Now

73

After Optimization

51

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Application ESTA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

application-esta.co.uk accessibility score

78

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

Best Practices

application-esta.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

application-esta.co.uk SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Application-esta.co.uk 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 Application-esta.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph data is detected on the main page of Application ESTA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: