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coderpad.io website review

Visit site (opens in a new tab)Reviewed 18 October 202623 issues · 95 checks

This review found 23 issues worth fixing on coderpad.io, 9 of them high impact, across 95 checks. The most urgent: fails Core Web Vitals for real visitors. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.

  1. Homepage
  2. Phone render
  3. Links and pages
  4. Google PageSpeed

Google PageSpeed Insights (opens in a new tab), mobile

Real-visitor load time (LCP)75th percentile, phones
2.4 s1.4 sApr 25Oct 101.6 s
Show as table
DateReal-visitor load time (LCP)
Apr 25, 20261.9 s
May 2, 20261.9 s
May 9, 20262.0 s
May 16, 20262.1 s
May 23, 20262.1 s
May 30, 20262.1 s
Jun 6, 20262.1 s
Jun 13, 20262.1 s
Jun 20, 20262.2 s
Jun 27, 20262.2 s
Jul 4, 20262.3 s
Jul 11, 20262.3 s
Jul 18, 20262.3 s
Jul 25, 20262.2 s
Aug 1, 20262.1 s
Aug 8, 20262.0 s
Aug 15, 20261.9 s
Aug 22, 20261.6 s
Aug 29, 20261.6 s
Sep 5, 20261.6 s
Sep 12, 20261.6 s
Sep 19, 20261.6 s
Sep 26, 20261.5 s
Oct 3, 20261.6 s
Oct 10, 20261.6 s
Real-visitor tap response (INP)75th percentile, phones
149 ms112 msApr 25Oct 10116 ms
Show as table
DateReal-visitor tap response (INP)
Apr 25, 2026135 ms
May 2, 2026130 ms
May 9, 2026128 ms
May 16, 2026128 ms
May 23, 2026129 ms
May 30, 2026130 ms
Jun 6, 2026129 ms
Jun 13, 2026130 ms
Jun 20, 2026136 ms
Jun 27, 2026145 ms
Jul 4, 2026145 ms
Jul 11, 2026145 ms
Jul 18, 2026140 ms
Jul 25, 2026132 ms
Aug 1, 2026130 ms
Aug 8, 2026132 ms
Aug 15, 2026141 ms
Aug 22, 2026141 ms
Aug 29, 2026142 ms
Sep 5, 2026141 ms
Sep 12, 2026136 ms
Sep 19, 2026130 ms
Sep 26, 2026125 ms
Oct 3, 2026119 ms
Oct 10, 2026116 ms

Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.

One score from every part of this review. How it works

Full-page screenshot of coderpad.io (desktop) rendered by Google PageSpeed Insights

How it loaded on a phone

  1. coderpad.io at 0.4 s0.4 s
  2. coderpad.io at 0.8 s0.8 s
  3. coderpad.io at 1.1 s1.1 s
  4. coderpad.io at 1.5 s1.5 s
  5. coderpad.io at 1.9 s1.9 s
  6. coderpad.io at 2.3 s2.3 s
  7. coderpad.io at 2.6 s2.6 s
  8. coderpad.io at 3.0 s3.0 s

coderpad.io does not allow embedding, so this is Google's rendering of the page.

Speed

4 to fix69
  • Mobile performance score: 69

    69/100

    Your mobile performance score is 69 (desktop: 99). Pages that score under 90 lose visitors before the first paint.

  • Render-blocking requests

    900 ms

    4 files block the first paint until they finish downloading. Deferring or inlining them could save about 900 ms.

  • Improve image delivery

    300 ms · 436 KiB

    6 images could be 436 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 300 ms faster on a phone.

  • 1,580 HTML elements

    The page has 1,580 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

  • Use efficient cache lifetimes

    100 ms · 79 KiB

    5 files are served with short cache lifetimes, so returning visitors download them again (79 KiB).

  • Minify JavaScript

    150 ms · 4 KiB

    4 KiB could be saved by minifying JavaScript.

  • Reduce unused CSS

    73 KiB

    About 73 KiB of CSS is downloaded but never applied on this page.

  • 6 third-party services on the page

    6 third-party services load with your homepage (Clearbit, JSDelivr CDN and Cloudflare and others), adding 82 KiB and 53 ms of main-thread time.

  • Phones get a much slower page than desktops

    Desktop scores 99 but mobile only 69. A gap that wide usually means heavy scripts and images that hit phones hardest.

  • Legacy JavaScript

    10 KiB

    Polyfills for old browsers add 10 KiB JavaScript that modern phones do not need.

  • Chained critical requests

    Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.

  • Forced reflow

    Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.

  • Minify CSS

    2 KiB

    2 KiB could be saved by minifying CSS.

2 checks passed
  • Main-thread work: 0.4 s

    A phone's processor spends 0.4 s on main-thread work while loading, 83 ms of it running JavaScript. That is comfortably low.

  • Server response: 12 ms

    12 ms

    Your server sent the HTML in 12 ms, well inside Google's 600 ms guideline.

Core Web Vitals

7 to fix100
  • Fails Core Web Vitals for real visitors

    Real Chrome users on phones do not pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)). Google uses this in ranking.

  • Largest Contentful Paint: 8.1 s

    8.1 s

    Your largest element takes 8.1 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the text “Every role is technical now. Hire like it.”.

  • Time to Interactive: 8.2 s

    8.2 s

    The page becomes fully interactive after 8.2 s. Good is under 3.8 s.

  • Real-user TTFB: 803 ms

    803 ms

    Real visitors wait 803 ms for your server to start answering (75th percentile). Good is under 800 ms.

  • First Contentful Paint: 2.6 s

    2.6 s

    The first text or image appears after 2.6 s on a phone. Good is under 1.8 s.

  • Speed Index: 4.6 s

    4.6 s

    Visually, the page fills in at 4.6 s (Speed Index). Good is under 3.4 s.

  • 1 image without width and height

    1 image have no width and height attributes, so the layout jumps as each one loads.

8 checks passed
  • Real-user LCP: 1.6 s

    1.6 s

    Real visitors wait 1.6 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user INP: 114 ms

    114 ms

    Real visitors wait 114 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

  • Real-user CLS: 0.00

    0.00

    For real visitors the layout shifts by 0.00 (75th percentile). Good is under 0.1.

  • Real-user FCP: 1.5 s

    1.5 s

    Real visitors see the first content after 1.5 s (75th percentile). Good is under 1.8 s.

  • Tap response (INP) got 11% faster for real visitors

    -11%

    Over the last 25 four-week periods to 2026-10-10, real Chrome visitors' tap response (inp) went from 135 ms to 116 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Largest content (LCP) got 18% faster for real visitors

    -18%

    Over the last 25 four-week periods to 2026-10-10, real Chrome visitors' largest content (lcp) went from 1.9 s to 1.6 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Cumulative Layout Shift: 0

    0

    The layout barely moves while loading (CLS 0, good is under 0.1).

  • Total Blocking Time: 0 ms

    0 ms

    Scripts block the page for only 0 ms while loading. Good is under 200 ms.

Images and page weight

100
  • 2 images in older formats

    2 images (79 KiB) are JPEG, PNG or GIF. The same pictures as WebP or AVIF are usually much smaller at the same quality, and every current browser shows them.

  • 1 image below the first screen load straight away

    1 image further down the page (44 KiB) download before anyone scrolls to it. Adding loading="lazy" lets the first screen load first.

  • About 0.4 g of CO₂ per visit

    0.35 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.35 g of CO₂e: 42.3 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

2 checks passed
  • Page weight: 1.2 MB in 44 requests

    1.2 MB

    Your homepage downloads 1.2 MB in 44 requests on a phone: images 840 KiB (15), fonts 144 KiB (5) and scripts 121 KiB (9). That is a lean page.

  • Images are sized for phones

    No image is downloaded at more than three times the size it is drawn on a phone.

Accessibility

6 to fixGoogle 7889
  • Certain ARIA roles must be contained by particular parents (12 elements)

    Certain ARIA roles must be contained by particular parents: 12 elements on the page fail this check, rated critical by axe-core.

  • Invalid ARIA attributes

    4 elements use ARIA attributes their role does not allow, which confuses screen readers.

  • Certain ARIA roles must contain particular children (3 elements)

    Certain ARIA roles must contain particular children: 3 elements on the page fail this check, rated critical by axe-core.

  • Orphan list items

    Some list items are not inside a list.

  • 1 text element with low contrast

    1 text element doesn't have enough contrast against the background to read easily, especially outdoors on a phone.

  • Scrollable region must have keyboard access (1 element)

    Scrollable region must have keyboard access: 1 element on the page fails this check, rated serious by axe-core.

  • Headings skip levels

    Headings skip levels (h1 → h3), which makes the page harder to scan with a screen reader.

2 checks passed
  • Every image has alt text

    All 38 images in the HTML carry an alt attribute.

  • 48 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 55 WCAG 2.2 A/AA and best-practice rules on the phone render: 48 passed and 7 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

1 to fixGoogle 9298
  • 1 link with vague text

    1 link use generic text like “click here” or “learn more”, which tells Google nothing about the page behind it.

  • 94 internal links, 12 external

    The homepage links to 94 pages on coderpad.io and 12 external pages.

8 checks passed
  • Meta description: 153 characters

    Your meta description is 153 characters: “See how candidates work with AI on real code. CoderPad Qualify, Screen and Interview cover every stage of technical hir…”.

  • One H1 headline

    Your main headline reads: “Every role is technical now. Hire like it.”.

  • Title: 53 characters

    Your title is a healthy 53 characters: “CoderPad: AI-Ready Technical Assessments & Interviews”.

  • Canonical URL set

    The canonical URL is https://coderpad.io/.

  • Structured data in place

    Structured data found: WebPage.

  • Open Graph tags complete

    Open Graph tags are complete, so shared links show a title, description and image.

  • robots.txt in place

    robots.txt is in place and points crawlers to your sitemap.

  • XML sitemap found

    Your XML sitemap is reachable at https://coderpad.io/sitemap.xml.

AI search readiness

1 to fix88
  • No Organization structured data

    There is no Organization (or LocalBusiness) JSON-LD, so search engines and AI assistants have no machine-readable facts about who runs the site: its name, logo, profiles and contact details.

3 checks passed
  • AI answer engines may read the site

    Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.

  • Text is in the HTML

    Your server sends the page's text in the HTML (1,103 words), so crawlers that don't run JavaScript still read it.

  • llms.txt published

    The site publishes /llms.txt (4 KiB, 37 links), a plain-text guide to the site for AI tools.

Other pages

100
  • 15 internal pages checked

    We fetched 15 pages linked from your homepage (of 62 found) and read each the way a search engine does.

7 checks passed
  • Linked pages load

    All 15 pages we checked loaded without an error.

  • Canonical URLs point to themselves

    No page we checked hands its ranking to a different URL.

  • Every page has a meta description

    All 15 pages that loaded have a meta description.

  • Titles are unique

    Every page we checked has its own title.

  • Every page has an H1

    Each page we checked has a main headline.

  • No linked page is hidden from search

    None of the pages we checked carries a noindex tag.

  • Every page has a title

    All 15 pages that loaded have a <title>.

Best practices

1 to fixGoogle 9693
  • 7 small tap targets

    7 of 22 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

2 checks passed
  • No console errors

    No JavaScript errors were logged while the page loaded on a phone.

  • Mobile viewport set

    The page declares a mobile viewport.

Security and trust

1 to fix94
  • 2 broken external links

    2 links to other sites are dead, for example https://app.coderpad.io/register (404).

8 checks passed
  • Served over HTTPS

    The homepage is served over HTTPS (coderpad.io).

  • Valid certificate (81 days left)

    The certificate from Google Trust Services · WE1 verifies for coderpad.io and is valid for another 81 days.

  • Protected from clickjacking

    X-Frame-Options or a frame-ancestors policy stops other sites framing yours.

  • Content-Security-Policy set

    A Content-Security-Policy is set, the main browser-side defence against injected scripts.

  • HSTS enabled

    Strict-Transport-Security is set, so browsers always use https.

  • http:// redirects to https

    http://coderpad.io redirects to the secure version.

  • HTTP/2 and HTTP/3

    The server speaks HTTP/2 and advertises HTTP/3, so browsers load many files over one connection.

  • security.txt published

    A security.txt file tells researchers how to report a problem with your site.

Domain and trust

1 checks passed
  • Certificate issuers are restricted

    CAA records allow only comodoca.com, letsencrypt.org, amazontrust.com and digicert.com to issue certificates for coderpad.io, so a mis-issued certificate from anyone else is refused.

Content and conversion

1 to fix90
  • No direct contact details

    No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.

  • No form on the homepage

    There is no form on the homepage, so every lead has to click through to another page first.

  • No risk reducer

    No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.

  • About 830 words of copy

    The homepage carries about 830 words of visible text.

4 checks passed
  • Clear next step on the first screen

    On a phone, the first screen shows a clear next step: “REQUEST DEMO” and “REQUEST A DEMO”.

  • 12 calls to action

    The homepage has 12 calls to action, for example “Download Report”, “Pricing” and “Sign up free”.

  • Social proof on the page

    Social proof on the homepage: 1 testimonial or review block, 1 customer or partner logo, 2 trust badges and “Trusted by 4,000+ customers”.

  • Analytics in place

    Analytics detected: Cloudflare Web Analytics.

Email authentication

90
  • Email authentication score: 90/100

    Email authentication: SPF record 25 points, plus 15 when it ends in -all (10 for ~all); DMARC record 25, plus 25 for a reject policy (15 for quarantine); a DKIM key on a common selector 10.

3 checks passed
  • DMARC policy: quarantine

    DMARC tells receivers to quarantine mail that fails authentication, and sends you reports.

  • SPF with a strict ending (-all)

    An SPF record lists your sending servers and tells receivers to reject anything else: “v=spf1 a include:_spf.google.com include:amazonses.com include:sendgrid.net include:26307476.spf01.hubspotemail.net ip4…”.

  • DKIM signing found

    A DKIM key is published (selector “google”), so receivers can verify mail really came from you.

Privacy and tracking

1 to fix
  • 1 tracker load before any consent

    1

    Before a visitor clicks anything, the page loads X (Twitter) Ads (measured from a US location before any click). No consent tool was detected. Visitors from the EU, UK and several US states must be asked first.

  • 13 cookies set on arrival

    13

    Opening the homepage sets 13 cookies (measured from a US location before any click).

  • No consent tool detected

    No known cookie consent tool loads with the page. Some sites build their own banner, and some only show one to visitors from the EU.

  • 8 other companies contacted

    Loading the homepage contacts 8 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.

Upkeep, stack and company

No signs of neglect in what was checked: the copyright year, CMS and plugin versions, and jQuery.

Stack

CMS
WordPress

Hiring

Hiring
5 open roles
Teams
Sales (3), Customer Success (1), Engineering (1)
Job board
lever

Upkeep, stack, hiring and company data from programmable.info

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