Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

phpconference.nl

The Dutch PHP Conference

Page Load Speed

2.1 sec in total

First Response

332 ms

Resources Loaded

1.3 sec

Page Rendered

466 ms

phpconference.nl screenshot

About Website

Click here to check amazing PHP Conference content for Netherlands. Otherwise, check out these important facts you probably never knew about phpconference.nl

The Dutch PHP Conference - Europe's most exciting Web Technology Conference for the PHP community. Join us on March 12 - 15, 2024 in Amsterdam!

Visit phpconference.nl

Key Findings

We analyzed Phpconference.nl page load time and found that the first response time was 332 ms and then it took 1.7 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.

Performance Metrics

phpconference.nl performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

phpconference.nl

332 ms

www.phpconference.nl

218 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

15 ms

css_P06b8AMR_hhh6sJRuQ-C6fQP-3TpPFbQoCgQ447suCw.css

43 ms

css_d_Tt8w1GDyNHE48NM1DlhncLt9dE6BwNTfMfxPUD4Cs.css

51 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 85% of them (45 requests) were addressed to the original Phpconference.nl, 6% (3 requests) were made to S7.addthis.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (554 ms) belongs to the original domain Phpconference.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 784.6 kB (48%)

Content Size

1.6 MB

After Optimization

857.8 kB

In fact, the total size of Phpconference.nl main page is 1.6 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. 60% of websites need less resources to load. Javascripts take 814.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 100.3 kB

  • Original 132.6 kB
  • After minification 132.5 kB
  • After compression 32.3 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 100.3 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 63.3 kB

  • Original 599.0 kB
  • After minification 535.6 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, PHP Conference needs image optimization as it can save up to 63.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 541.1 kB

  • Original 814.6 kB
  • After minification 814.6 kB
  • After compression 273.5 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 541.1 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 79.9 kB

  • Original 96.1 kB
  • After minification 95.4 kB
  • After compression 16.3 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. Phpconference.nl needs all CSS files to be minified and compressed as it can save up to 79.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (24%)

Requests Now

51

After Optimization

39

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PHP Conference. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

phpconference.nl accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

phpconference.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

phpconference.nl SEO score

70

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Phpconference.nl 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 Phpconference.nl 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of PHP Conference. 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: