Tools & Wizards About Us
sievers.nl screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

sievers.nl

Alex Sievers / OASE Photography - China Silk Road, Burma, Outback Australia, New York City, Liberty Island, Hawaii, Arizona's Grand Canyon, South Afri...

Page Load Speed

1.7 sec in total

First Response

290 ms

Resources Loaded

1.3 sec

Page Rendered

79 ms

sievers.nl screenshot

About Website

Welcome to sievers.nl homepage info - get ready to check Sievers best content right away, or after learning these important things about sievers.nl

Alex Sievers Photography: over 4000 photos from around the world: Africa, Asia, Australia, America and Europe - travel, nature, architecture, people, metropolis, the sun and many travelspecials.

Visit sievers.nl

Key Findings

We analyzed Sievers.nl page load time and found that the first response time was 290 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

sievers.nl performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

sievers.nl

290 ms

sievers.nl

414 ms

bck8178.jpg

223 ms

banner2.gif

300 ms

asp6.gif

327 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 65% of them (22 requests) were addressed to the original Sievers.nl, 15% (5 requests) were made to Platform.twitter.com and 9% (3 requests) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (586 ms) belongs to the original domain Sievers.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.9 kB (24%)

Content Size

66.0 kB

After Optimization

50.1 kB

  • HTML
  • Images

In fact, the total size of Sievers.nl main page is 66.0 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. 45% of websites need less resources to load. Images take 42.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 15.9 kB

  • Original 23.4 kB
  • After minification 23.0 kB
  • After compression 7.4 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 15.9 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 1 B

  • Original 42.7 kB
  • After minification 42.7 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. Sievers images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 21 (66%)

Requests Now

32

After Optimization

11

  • AJAX
  • Images
  • JavaScript

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sievers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sievers.nl

sievers.nl

290 ms

sievers.nl

sievers.nl

414 ms

bck8178.jpg

bck8178.jpg

223 ms

banner2.gif

banner2.gif

300 ms

asp6.gif

asp6.gif

327 ms

noneb.gif

noneb.gif

324 ms

enjoy2.gif

enjoy2.gif

325 ms

day.gif

day.gif

322 ms

asp5highlights.gif

asp5highlights.gif

321 ms

asp5galleries.gif

asp5galleries.gif

396 ms

asp5specials.gif

asp5specials.gif

417 ms

asp5metropolis.gif

asp5metropolis.gif

417 ms

asp5info.gif

asp5info.gif

422 ms

additions.gif

additions.gif

421 ms

widgets.js

widgets.js

18 ms

frames.js

frames.js

41 ms

vienna2.gif

vienna2.gif

418 ms

la2.gif

la2.gif

489 ms

det2.gif

det2.gif

509 ms

mon2.gif

mon2.gif

509 ms

malaysia.gif

malaysia.gif

514 ms

ita-venice.gif

ita-venice.gif

513 ms

morocco.gif

morocco.gif

513 ms

copy.gif

copy.gif

586 ms

all.js

all.js

34 ms

all.js

all.js

14 ms

t.php

t.php

159 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

52 ms

settings

settings

68 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

2 ms

embeds

embeds

35 ms

embeds

embeds

55 ms

follow_button.2f70fb173b9000da126c79afe2098f02.en.html

follow_button.2f70fb173b9000da126c79afe2098f02.en.html

19 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

30 ms

Accessibility Review

sievers.nl accessibility score

58

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

sievers.nl best practices score

42

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sievers.nl SEO score

67

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

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 Sievers.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 Sievers.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

sievers.nl

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