Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 86

    SEO

    Google-friendlier than
    66% of websites

Page Load Speed

2.5 sec in total

First Response

464 ms

Resources Loaded

1.2 sec

Page Rendered

846 ms

sumatra.allepaginas.nl screenshot

About Website

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Key Findings

We analyzed Sumatra.allepaginas.nl page load time and found that the first response time was 464 ms and then it took 2 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

sumatra.allepaginas.nl performance score

85

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)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

sumatra.allepaginas.nl

464 ms

jquery.min.js

131 ms

resizer.js

189 ms

font-awesome.min.css

147 ms

responsiveness.css

201 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Sumatra.allepaginas.nl, 33% (2 requests) were made to Allepaginas.nl and 17% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (464 ms) belongs to the original domain Sumatra.allepaginas.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.7 kB (55%)

Content Size

159.1 kB

After Optimization

71.4 kB

In fact, the total size of Sumatra.allepaginas.nl main page is 159.1 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. 15% of websites need less resources to load. HTML takes 70.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 56.9 kB

  • Original 70.6 kB
  • After minification 67.3 kB
  • After compression 13.8 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 56.9 kB or 81% of the original size.

JavaScript Optimization

-3%

Potential reduce by 1.5 kB

  • Original 51.5 kB
  • After minification 50.6 kB
  • After compression 50.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-80%

Potential reduce by 29.3 kB

  • Original 36.9 kB
  • After minification 33.6 kB
  • After compression 7.6 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. Sumatra.allepaginas.nl needs all CSS files to be minified and compressed as it can save up to 29.3 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sumatra Allepaginas. According to our analytics all requests are already optimized.

Accessibility Review

sumatra.allepaginas.nl accessibility score

73

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sumatra.allepaginas.nl best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sumatra.allepaginas.nl SEO score

86

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

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sumatra.allepaginas.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Sumatra.allepaginas.nl 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 description is not detected on the main page of Sumatra Allepaginas. 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: