Tools & Wizards About Us
spectral-lighting.com screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

spectral-lighting.com

Spectral Leuchten – Individuelle Lichtlösungen

Page Load Speed

3.1 sec in total

First Response

310 ms

Resources Loaded

2.5 sec

Page Rendered

309 ms

spectral-lighting.com screenshot

About Website

Welcome to spectral-lighting.com homepage info - get ready to check Spectral Lighting best content right away, or after learning these important things about spectral-lighting.com

Bei Spectral finden Sie innovative LED Technik ✓ Lichtplanung ✓ kompetente Beratung ✓ Innenbeleuchtung ✓ Lichtmanagement ✓ und vieles mehr.

Visit spectral-lighting.com

Key Findings

We analyzed Spectral-lighting.com page load time and found that the first response time was 310 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

spectral-lighting.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

spectral-lighting.com

310 ms

410 ms

merged-bc6b08562919267f1477c9b7b8725431-191a6da8155f770537af2a4b1177ec37.css.gzip

184 ms

uc.js

109 ms

js

115 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 94% of them (32 requests) were addressed to the original Spectral-lighting.com, 3% (1 request) were made to Consent.cookiebot.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (893 ms) belongs to the original domain Spectral-lighting.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 485.3 kB (7%)

Content Size

7.2 MB

After Optimization

6.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spectral-lighting.com main page is 7.2 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. 70% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 56.9 kB

  • Original 64.5 kB
  • After minification 40.4 kB
  • After compression 7.5 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 24.1 kB, which is 37% 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 56.9 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 337.9 kB

  • Original 6.9 MB
  • After minification 6.5 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. Spectral Lighting images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 89.3 kB

  • Original 235.3 kB
  • After minification 235.3 kB
  • After compression 146.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 89.3 kB or 38% of the original size.

CSS Optimization

-4%

Potential reduce by 1.2 kB

  • Original 33.7 kB
  • After minification 33.7 kB
  • After compression 32.5 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. Spectral-lighting.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

29

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spectral Lighting. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

spectral-lighting.com

spectral-lighting.com

310 ms

410 ms

merged-bc6b08562919267f1477c9b7b8725431-191a6da8155f770537af2a4b1177ec37.css.gzip

merged-bc6b08562919267f1477c9b7b8725431-191a6da8155f770537af2a4b1177ec37.css.gzip

184 ms

uc.js

uc.js

109 ms

js

js

115 ms

merged-b37cc289541e547e46657a8138c1e99c-2c6034b5d4e089a004d7497c1408e6f3.js.gzip

merged-b37cc289541e547e46657a8138c1e99c-2c6034b5d4e089a004d7497c1408e6f3.js.gzip

534 ms

merged-a3492780a4b5c4e2289510270ccb5f57-21f7ae04930bc88064197e5ce29f36d3.js.gzip

merged-a3492780a4b5c4e2289510270ccb5f57-21f7ae04930bc88064197e5ce29f36d3.js.gzip

359 ms

jquery.fancybox.css

jquery.fancybox.css

104 ms

Spectral_Logo.svg

Spectral_Logo.svg

95 ms

blank.gif

blank.gif

154 ms

Spectral_Logo_Weiss.svg

Spectral_Logo_Weiss.svg

186 ms

Whitney-Light_Web.woff

Whitney-Light_Web.woff

305 ms

Whitney-Book_Web.woff

Whitney-Book_Web.woff

415 ms

spectral_iconfont.ttf

spectral_iconfont.ttf

240 ms

BOW-Neu_02_Hi-Res-MT.jpg

BOW-Neu_02_Hi-Res-MT.jpg

185 ms

%222019_06_Aoca-P-S-L640_01.png

%222019_06_Aoca-P-S-L640_01.png

181 ms

%22Spectral-Blade-H300-MPS.png

%22Spectral-Blade-H300-MPS.png

448 ms

%222016_04_Spectral_Dome-S-KG_07_cmi.png

%222016_04_Spectral_Dome-S-KG_07_cmi.png

454 ms

%22Spectral_H140-Profil_gerade_SI_04.png

%22Spectral_H140-Profil_gerade_SI_04.png

271 ms

%22H80-Tragprofil_01.png

%22H80-Tragprofil_01.png

533 ms

%222016_03_HLM-S-SEN-SI_01_cmi.png

%222016_03_HLM-S-SEN-SI_01_cmi.png

358 ms

%222019_05_Iris-PS_01_cmi.png

%222019_05_Iris-PS_01_cmi.png

718 ms

%222021_01_Spectral_Kju-AQDI_APS_04.png

%222021_01_Spectral_Kju-AQDI_APS_04.png

537 ms

%222019_08_LBK_K_AF_05.png

%222019_08_LBK_K_AF_05.png

455 ms

%222022-04-Spectral-Mirefa-EDQ-3x3-AH-01.png

%222022-04-Spectral-Mirefa-EDQ-3x3-AH-01.png

626 ms

%222018_09_Myral_01.png

%222018_09_Myral_01.png

634 ms

%22Spectral_Norea-Sky-A-1250_01.png

%22Spectral_Norea-Sky-A-1250_01.png

545 ms

%222022-09-Spectral-Ocara-FSW-01.png

%222022-09-Spectral-Ocara-FSW-01.png

893 ms

%222019_08_Orto-S-SR%2BMR_03_cmi.png

%222019_08_Orto-S-SR%2BMR_03_cmi.png

630 ms

%22Purelight-RP_02.png

%22Purelight-RP_02.png

636 ms

%22Spectral_Quadrop-TR_WS_03.png

%22Spectral_Quadrop-TR_WS_03.png

728 ms

%222019_05_S36_O_01_cmi.png

%222019_05_S36_O_01_cmi.png

812 ms

%222019_08_Stora-RA_650_DPS_01.png

%222019_08_Stora-RA_650_DPS_01.png

733 ms

%22Stora-LK_1200_WS.png

%22Stora-LK_1200_WS.png

732 ms

Accessibility Review

spectral-lighting.com accessibility score

85

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

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.

Best Practices

spectral-lighting.com best practices score

83

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

Page has valid source maps

SEO Factors

spectral-lighting.com SEO score

87

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spectral-lighting.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Spectral-lighting.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.

Social Sharing Optimization

spectral-lighting.com

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