Tools & Wizards About Us
drnikolic.co.uk screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

drnikolic.co.uk

Dr Serge Nikolic | Consultant in Pain Medicine and Neuromodulation

Page Load Speed

4.3 sec in total

First Response

630 ms

Resources Loaded

3.1 sec

Page Rendered

563 ms

drnikolic.co.uk screenshot

About Website

Click here to check amazing Dr Nikolic content. Otherwise, check out these important facts you probably never knew about drnikolic.co.uk

Dr Nikolic is a consultant in Pain Medicine and Nuromodulation who works both privately and for the NHS at St Bartholomew’s Hospital.

Visit drnikolic.co.uk

Key Findings

We analyzed Drnikolic.co.uk page load time and found that the first response time was 630 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

drnikolic.co.uk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value4,040 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

drnikolic.co.uk

630 ms

wp-emoji-release.min.js

233 ms

style.min.css

309 ms

styles.css

234 ms

style.min.css

541 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 86% of them (126 requests) were addressed to the original Drnikolic.co.uk, 5% (7 requests) were made to Widgets.doctify.co.uk and 4% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Drnikolic.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (46%)

Content Size

3.3 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drnikolic.co.uk main page is 3.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 91.0 kB

  • Original 105.4 kB
  • After minification 103.5 kB
  • After compression 14.5 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. 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 91.0 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 9.5 kB

  • Original 546.5 kB
  • After minification 537.0 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. Dr Nikolic images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 644.2 kB

  • Original 1.7 MB
  • After minification 1.6 MB
  • After compression 1.0 MB

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 644.2 kB or 39% of the original size.

CSS Optimization

-79%

Potential reduce by 753.3 kB

  • Original 952.3 kB
  • After minification 949.1 kB
  • After compression 199.1 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. Drnikolic.co.uk needs all CSS files to be minified and compressed as it can save up to 753.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 113 (82%)

Requests Now

138

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Nikolic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 108 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

drnikolic.co.uk

drnikolic.co.uk

630 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

233 ms

style.min.css

style.min.css

309 ms

styles.css

styles.css

234 ms

style.min.css

style.min.css

541 ms

style.css

style.css

237 ms

b4e71b8bec9be75a128ce1d5f5f9998a.min.css

b4e71b8bec9be75a128ce1d5f5f9998a.min.css

1124 ms

jquery.js

jquery.js

461 ms

jquery-migrate.min.js

jquery-migrate.min.js

310 ms

js

js

64 ms

get-script

get-script

26 ms

wf-responsive-widgets.js

wf-responsive-widgets.js

34 ms

get-script

get-script

9 ms

scripts.js

scripts.js

229 ms

api.js

api.js

40 ms

isotope.js

isotope.js

298 ms

jquery.infinitescroll.js

jquery.infinitescroll.js

224 ms

avada-faqs.js

avada-faqs.js

302 ms

modernizr.js

modernizr.js

307 ms

jquery.fitvids.js

jquery.fitvids.js

374 ms

fusion-video-general.js

fusion-video-general.js

384 ms

jquery.ilightbox.js

jquery.ilightbox.js

457 ms

jquery.mousewheel.js

jquery.mousewheel.js

387 ms

fusion-lightbox.js

fusion-lightbox.js

452 ms

imagesLoaded.js

imagesLoaded.js

454 ms

packery.js

packery.js

453 ms

avada-portfolio.js

avada-portfolio.js

465 ms

cssua.js

cssua.js

529 ms

jquery.waypoints.js

jquery.waypoints.js

530 ms

fusion-waypoints.js

fusion-waypoints.js

531 ms

fusion-animations.js

fusion-animations.js

533 ms

jquery.countTo.js

jquery.countTo.js

543 ms

jquery.easyPieChart.js

jquery.easyPieChart.js

605 ms

jquery.appear.js

jquery.appear.js

608 ms

fusion-counters-circle.js

fusion-counters-circle.js

608 ms

fusion-syntax-highlighter.js

fusion-syntax-highlighter.js

610 ms

bootstrap.collapse.js

bootstrap.collapse.js

621 ms

fusion-equal-heights.js

fusion-equal-heights.js

681 ms

fusion-toggles.js

fusion-toggles.js

685 ms

fusion-flip-boxes.js

fusion-flip-boxes.js

685 ms

fusion-progress.js

fusion-progress.js

686 ms

fusion-title.js

fusion-title.js

665 ms

jquery.cycle.js

jquery.cycle.js

696 ms

fusion-testimonials.js

fusion-testimonials.js

699 ms

bootstrap.modal.js

bootstrap.modal.js

696 ms

fusion-modal.js

fusion-modal.js

625 ms

fusion-gallery.js

fusion-gallery.js

637 ms

jquery.fade.js

jquery.fade.js

618 ms

jquery.requestAnimationFrame.js

jquery.requestAnimationFrame.js

616 ms

fusion-parallax.js

fusion-parallax.js

549 ms

fusion-video-bg.js

fusion-video-bg.js

548 ms

fusion-container.js

fusion-container.js

561 ms

jquery.countdown.js

jquery.countdown.js

610 ms

fusion-countdown.js

fusion-countdown.js

547 ms

bootstrap.transition.js

bootstrap.transition.js

539 ms

bootstrap.tab.js

bootstrap.tab.js

540 ms

fusion-tabs.js

fusion-tabs.js

554 ms

fusion-events.js

fusion-events.js

604 ms

fusion-recent-posts.js

fusion-recent-posts.js

601 ms

fusion-counters-box.js

fusion-counters-box.js

602 ms

fusion-content-boxes.js

fusion-content-boxes.js

600 ms

jquery.fusion_maps.js

jquery.fusion_maps.js

592 ms

fusion-google-map.js

fusion-google-map.js

529 ms

Chart.js

Chart.js

751 ms

fusion-chart.js

fusion-chart.js

581 ms

fusion-column-bg-image.js

fusion-column-bg-image.js

579 ms

fusion-column.js

fusion-column.js

570 ms

jquery.event.move.js

jquery.event.move.js

525 ms

fusion-image-before-after.js

fusion-image-before-after.js

520 ms

vimeoPlayer.js

vimeoPlayer.js

570 ms

fusion-video.js

fusion-video.js

568 ms

jquery.hoverintent.js

jquery.hoverintent.js

557 ms

avada-vertical-menu-widget.js

avada-vertical-menu-widget.js

599 ms

bootstrap.tooltip.js

bootstrap.tooltip.js

595 ms

bootstrap.popover.js

bootstrap.popover.js

593 ms

jquery.carouFredSel.js

jquery.carouFredSel.js

592 ms

jquery.easing.js

jquery.easing.js

581 ms

jquery.flexslider.js

jquery.flexslider.js

584 ms

jquery.hoverflow.js

jquery.hoverflow.js

578 ms

jquery.placeholder.js

jquery.placeholder.js

577 ms

jquery.touchSwipe.js

jquery.touchSwipe.js

578 ms

fusion-alert.js

fusion-alert.js

563 ms

fusion-carousel.js

fusion-carousel.js

507 ms

fusion-flexslider.js

fusion-flexslider.js

596 ms

fusion-popover.js

fusion-popover.js

596 ms

fusion-tooltip.js

fusion-tooltip.js

596 ms

fusion-sharing-box.js

fusion-sharing-box.js

582 ms

fusion-blog.js

fusion-blog.js

523 ms

fusion-button.js

fusion-button.js

522 ms

fusion-general-global.js

fusion-general-global.js

734 ms

fusion-ie1011.js

fusion-ie1011.js

732 ms

avada-header.js

avada-header.js

716 ms

wf-list-widget

wf-list-widget

348 ms

avada-menu.js

avada-menu.js

603 ms

fusion-scroll-to-anchor.js

fusion-scroll-to-anchor.js

603 ms

fusion-responsive-typography.js

fusion-responsive-typography.js

602 ms

bootstrap.scrollspy.js

bootstrap.scrollspy.js

603 ms

avada-comments.js

avada-comments.js

602 ms

avada-general-footer.js

avada-general-footer.js

601 ms

js

js

60 ms

analytics.js

analytics.js

76 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

99 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

100 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

180 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

180 ms

avada-quantity.js

avada-quantity.js

577 ms

avada-scrollspy.js

avada-scrollspy.js

546 ms

avada-select.js

avada-select.js

547 ms

avada-sidebars.js

avada-sidebars.js

547 ms

KFOjCnqEu92Fr1Mu51TzBic6CsE.ttf

KFOjCnqEu92Fr1Mu51TzBic6CsE.ttf

132 ms

KFOkCnqEu92Fr1Mu51xIIzc.ttf

KFOkCnqEu92Fr1Mu51xIIzc.ttf

132 ms

jquery.sticky-kit.js

jquery.sticky-kit.js

534 ms

avada-tabs-widget.js

avada-tabs-widget.js

531 ms

collect

collect

91 ms

recaptcha__en.js

recaptcha__en.js

111 ms

avada-drop-down.js

avada-drop-down.js

484 ms

avada-contact-form-7.js

avada-contact-form-7.js

484 ms

jquery.elasticslider.js

jquery.elasticslider.js

484 ms

avada-elastic-slider.js

avada-elastic-slider.js

460 ms

avada-fusion-slider.js

avada-fusion-slider.js

460 ms

wp-embed.min.js

wp-embed.min.js

460 ms

fa-solid-900.woff

fa-solid-900.woff

483 ms

fa-regular-400.woff

fa-regular-400.woff

465 ms

Dr-Nikolic-New-Logo-Small.png

Dr-Nikolic-New-Logo-Small.png

463 ms

Serge-Nikolic.jpg

Serge-Nikolic.jpg

533 ms

icon_2.png

icon_2.png

531 ms

icon_3.png

icon_3.png

532 ms

icon_4.png

icon_4.png

532 ms

London-Bridge-Hospital-Logo.png

London-Bridge-Hospital-Logo.png

543 ms

fortius.png

fortius.png

543 ms

bootstrap.min.css

bootstrap.min.css

4 ms

main.style.009b063e.css

main.style.009b063e.css

11 ms

main.bundle.009b063e.js

main.bundle.009b063e.js

43 ms

cromwell.png

cromwell.png

461 ms

London-Independent-Hospital.png

London-Independent-Hospital.png

459 ms

Other-Hospitals.png

Other-Hospitals.png

460 ms

Dr-Nikolic-Mobile-Logo.png

Dr-Nikolic-Mobile-Logo.png

459 ms

Spine-Pain.jpg

Spine-Pain.jpg

463 ms

aggregate_review

aggregate_review

225 ms

reviews

reviews

51 ms

Neuro-Pain.jpg

Neuro-Pain.jpg

252 ms

Muscular-Pain.jpg

Muscular-Pain.jpg

323 ms

Abs-Pain.jpg

Abs-Pain.jpg

322 ms

Pain-Treatment-Specialities.jpg

Pain-Treatment-Specialities.jpg

398 ms

616.jpg

616.jpg

400 ms

Pain-Consultation.jpg

Pain-Consultation.jpg

328 ms

Dr-Nikolic-Logo-2.png

Dr-Nikolic-Logo-2.png

79 ms

Accessibility Review

drnikolic.co.uk accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

[role]s are not contained by their required parent element

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

drnikolic.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

drnikolic.co.uk SEO score

93

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

drnikolic.co.uk

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